Pipewire: pipewire: sandbox escape and arbitrary code execution via malicious library loading
Unknown · Unknown
8.8HighCVSS 3.1
Recommended action
Within 7 days
High technical severity; prioritise exposed affected systems while verifying vendor guidance.
Patch available
Distribution package intelligence
Ubuntu vendor package status
Canonical’s release and source-package findings are shown separately from local repository availability.
1 package state
Repository candidate not checked
A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.
Ubuntu release
Source package
Vendor state
Fixed version
Evidence
Ubuntu 24.04 LTSnoble · standard archive
pipewire
Under evaluationCanonical reports that the package might be affected and still needs evaluation or fixing.
Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.
1 current
CVE-2026-5674 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitypipewire: PipeWire: Sandbox escape and arbitrary code execution via malicious library loading
593 fixed
The vendor explicitly identifies these products or versions as containing the fix.
pipewire-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-0:1.2.7-1.el10_0.1.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-alsa-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-alsa-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-alsa-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-alsa-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
Summary
A flaw was found in PipeWire, a multimedia server. This vulnerability allows an attacker to escape sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer. An attacker with minimal permissions within a sandboxed environment can load a malicious library, leading to arbitrary code execution outside the sandbox and potential compromise of the user's system.
Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
Optional official sources
National CERT insights ?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.
Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.
Official European source
ENISA European Vulnerability Database
Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.
1 current
ENISA EUVD identifier
EUVD-2026-44925
No EUVD known-exploited evidence
A flaw was found in PipeWire, a multimedia server. This vulnerability allows an attacker to escape sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer. An attacker with minimal permissions within a sandboxed environment can load a malicious library, leading to arbitrary code execution outside the sandbox and potential compromise of the user's system.
EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
8.8 · CVSS 3.1
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days
High technical severity; prioritise exposed affected systems while verifying vendor guidance.
Patch available
01
What, why and how
A flaw was found in PipeWire, a multimedia server. This vulnerability allows an attacker to escape sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer. An attacker with minimal permissions within a sandboxed environment can load a malicious library, leading to arbitrary code execution outside the sandbox and potential compromise of the user's system.
What
A flaw was found in PipeWire, a multimedia server. This vulnerability allows an attacker to escape sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer. An attacker with minimal permissions within a sandboxed environment can load a malicious library, leading to arbitrary code execution outside the sandbox and potential compromise of the user's system.
Why
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.
How
An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may execute code or commands in the affected security context.
What
A flaw was found in PipeWire, a multimedia server. This vulnerability allows an attacker to escape sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer. An attacker with minimal permissions within a sandboxed environment can load a malicious library, leading to arbitrary code execution outside the sandbox and potential compromise of the user's system.
Why
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.
How
An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may execute code or commands in the affected security context.
02
Exploit reality and attack path
CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.
Observed exploitation ?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.No confirmed evidence
No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.
Public PoC / exploit material ?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.None recorded
No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.
Likely attack path
local access → Uncontrolled Search Path Element → execute code or commands in the affected security context
Attack surface
Local
Privileges required
Low: a basic authenticated account is required
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Changed: exploitation can affect a different security authority
Weakness ?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-427: Uncontrolled Search Path Element. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.
CVSS vector ?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.
AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.SChangedScope: The attack can affect a component governed by a different security authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
After compromise, an attacker may use built-in shells, scripting engines, scheduled tasks and native network utilities for discovery, persistence or movement. This is a plausible LoTL path, not evidence that it has occurred for every attack.
Remote code executionCWE-427
A
Official authority intelligence
Only matched European and national findings are included. Language selectors and unavailable sources are omitted.
ENISA EUVD · EUVD-2026-44925Official EUVD mapping
A flaw was found in PipeWire, a multimedia server. This vulnerability allows an attacker to escape sandboxed applications, such as Flatpak, by exploiting PipeWire's PulseAudio compatibility layer. An attacker with minimal permissions within a sandboxed environment can load a malicious library, leading to arbitrary code execution outside the sandbox and potential compromise of the user's system.
Official EUVD record ↗BSI · German · WID-SEC-2026-2553Red Hat Enterprise Linux (librest, pipewire): Mehrere Schwachstellen
Ein Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Sicherheitsvorkehrungen zu umgehen und beliebigen Code auszuführen.
Official advisory ↗Cyber Security Agency of Singapore · English · CSA-SB-20260722Security Bulletin 22 Jul 2026
The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 22 Jul 2026, published on 22 July 2026. Open the linked bulletin for the product, severity and reference information published in that issue.
Operational remediation based on structured source evidence.
Status ?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
≤ 1.6.8 · Fixed: Red Hat Enterprise Linux 10: 0:1.4.11-1.el10_2 < *; Red Hat Enterprise Linux 10.0 Extended Update Support: 0:1.2.7-1.el10_0.1 < *; Red Hat Enterprise Linux 9: 0:1.4.11-1.el9_8 < *; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions: 0:1.0.1-1.el9_4.1 < *; Red Hat Enterprise Linux 9.6 Extended Update Support: 0:1.0.1-1.el9_6.1 < *
Affected versionsThe structured affected or fixed version information changed.
Before
Fixed: pipewire-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-0:1.2.7-1.el10_0.1.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debuginfo-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debuginfo-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debuginfo-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debuginfo-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debugsource-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debugsource-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debugsource-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debugsource-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-devel-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-devel-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-devel-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-devel-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-debuginfo-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); and 475 more
After
Fixed: pipewire-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-0:1.2.7-1.el10_0.1.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-alsa-debuginfo-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debuginfo-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debuginfo-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debuginfo-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debuginfo-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debugsource-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debugsource-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debugsource-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-debugsource-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-devel-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-devel-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-devel-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-devel-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-0:1.2.7-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-0:1.2.7-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-0:1.2.7-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); pipewire-gstreamer-debuginfo-0:1.2.7-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0); and 563 more
Affected versionsThe structured affected or fixed version information changed.
Before
See the vendor and CVE records for the affected range. · Fixed: 0:1.4.11-1.el10_2 < *; 0:1.2.7-1.el10_0.1 < *; 0:1.4.11-1.el9_8 < *; 0:1.0.1-1.el9_4.1 < *; 0:1.0.1-1.el9_6.1 < *
Affected versionsThe structured affected or fixed version information changed.
Before
See the vendor and CVE records for the affected range. · Fixed: 0:1.4.11-1.el10_2 < *; 0:1.2.7-1.el10_0.1 < *; 0:1.4.11-1.el9_8 < *; 0:1.0.1-1.el9_6.1 < *
After
See the vendor and CVE records for the affected range. · Fixed: 0:1.4.11-1.el10_2 < *; 0:1.2.7-1.el10_0.1 < *; 0:1.4.11-1.el9_8 < *; 0:1.0.1-1.el9_4.1 < *; 0:1.0.1-1.el9_6.1 < *
Affected versionsThe structured affected or fixed version information changed.
Before
See the vendor and CVE records for the affected range. · Fixed: 0:1.4.11-1.el10_2 < *; 0:1.2.7-1.el10_0.1 < *; 0:1.4.11-1.el9_8 < *
After
See the vendor and CVE records for the affected range. · Fixed: 0:1.4.11-1.el10_2 < *; 0:1.2.7-1.el10_0.1 < *; 0:1.4.11-1.el9_8 < *; 0:1.0.1-1.el9_6.1 < *
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
CVE-2026-5674: Pipewire: pipewire: sandbox escape and arbitrary code execution via malicious library loading | BlackTree
