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Authoritative vendor disclosure · 2026
CVE-2026-85278High confidence

CVE-2026-85278

SUSE Product Security Team · Product named in the vendor advisory

7.5HighCVSS 3.1
Recommended action
Within 7 days

SUSE Product Security Team reports a high vendor CVSS assessment and supplies remediation evidence. Validate product applicability and exposure while canonical CVE data is pending.

Patch available
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:High, unchanged from published severity.unchanged

Evidence used

  • No CISA KEV confirmation is currently recorded.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict local access and enforce least privilege on affected hosts.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs SUSE Product Security Team Product named in the vendor advisory and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 30 daysRemediation target: Within 180 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

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-2026-85278 · CSAF 2.0 · revision 3 · interimSUSE Product Security TeamCVE-2026-85278
69 known not affected

The vendor explicitly states that these products are not affected by this CVE.

  • jackson-dataformat-cbor as component of SUSE Linux Enterprise Desktop 15 SP7
  • jackson-dataformat-xml as component of SUSE Linux Enterprise Desktop 15 SP7
  • jackson-dataformats-binary as component of SUSE Linux Enterprise Desktop 15 SP7
  • jackson-dataformat-cbor as component of SUSE Linux Enterprise High Performance Computing 15 SP2
  • jackson-dataformats-binary as component of SUSE Linux Enterprise High Performance Computing 15 SP2
  • jackson-dataformat-cbor as component of SUSE Linux Enterprise High Performance Computing 15 SP3
  • jackson-dataformats-binary as component of SUSE Linux Enterprise High Performance Computing 15 SP3
  • jackson-dataformat-cbor as component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS
  • jackson-dataformat-xml as component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS
  • jackson-dataformats-binary as component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS
  • jackson-dataformat-cbor as component of SUSE Linux Enterprise High Performance Computing 15 SP4
  • jackson-dataformat-xml as component of SUSE Linux Enterprise High Performance Computing 15 SP4
Summary
unknown
Remediation
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Recommended actionWithin 7 days

SUSE Product Security Team reports a high vendor CVSS assessment and supplies remediation evidence. Validate product applicability and exposure while canonical CVE data is pending.

Patch available
01

What, why and how

unknown

What

unknown

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through the affected interface may attempt exploitation when the stated preconditions are met. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

unknown

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through the affected interface may attempt exploitation when the stated preconditions are met. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

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
the affected interface → vulnerable operation → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Unspecified
Privileges required
Not stated in the selected CVSS metric
User interaction
Not stated in the selected CVSS metric
Attack complexity
Not stated in the selected CVSS metric
Security boundary
Not stated in the selected CVSS metric
Weakness
?CWE means Common Weakness Enumeration.
CWE not yet assigned
CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
03

Patch and workaround

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.
Patch available
Affected
The vendor advisory identifies this CVE but does not provide a concise affected-product range.
Fixed
The vendor publishes a fix, but no concise fixed-product list is available in this advisory.
Action
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Workaround
No separate vendor workaround is recorded. Follow the linked advisory and validate the exact affected product and release.
Official vendor articles1 stored document

Linked articles are downloaded and versioned as source evidence. A CVE mention or approved update relationship does not, by itself, verify a fix for every product branch.

  • CVE-2026-85278 Common Vulnerabilities and Exposures | SUSE →Original publisher ↗Searchable text snapshot · Captured 26 Sep 2026CVE-2026-85278 Common Vulnerabilities and Exposures [Previous] [Index] [Next] Upstream information CVE-2026-85278 at MITRE Description SUSE information Overall state of this security issue: Resolved This issue is currently rated as having important severity. CVSS v3 Scores CVSS detail SUSE Base Score 7.5 Vector C
04

Evidence and provenance

Published 17 Sept 2026 · Last source change 24 Sept 2026, 23:50 UTC · CWE not yet assigned

CVE recordSUSE Product Security Team · OASIS CSAF 2.0
CVSS sourceOther authority
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
Unavailable
European sourceNo official EUVD mapping
Product sourceAuthoritative vendor CSAF advisory
Remediation sourceVendor CSAF · SUSE Product Security Team
CWE sourceUnavailable
NVD statusNVD status unavailable

Missing structured fields: official CVE record, canonical affected-version range. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Remediation statusRemediation status changed from Patch available to Mitigation available.
    Before
    Patch available
    After
    Mitigation available
    SUSE Product Security Team ↗
  2. Catalogue recordCVE added to the BlackTree catalogue.
    Authoritative vendor CSAF advisory ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
Vendor disclosed CVE identifier
Vendor remediation published
Remediation guidance recorded
SUSE Product Security Team security advisory↗Verified CSAF source data↗CVE.org publication pending↗NVD enrichment pending↗
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.
Free version - for non-commercial use only.CVE-2026-85278 · cve.blacktree.nl