GHSA-WRHW-J3F9-8VC6: [mcp-atlassian] Authentication bypass in HTTP transport: AtlassianOpaqueTokenVerifier accepts any non-empty token; server falls back to env-var credentials, allowing unauthenticated use of operator's Jira/Confluence access · Advisory · sooperset/mcp-atlassian · GitHub

BlackTree keeps a versioned source snapshot and links it to relevant CVE reports. The publisher remains authoritative for product applicability, release details and installation guidance.

Read the official article ↗

PublisherGitHub

Article IDGHSA-WRHW-J3F9-8VC6

Verified snapshot29 Sept 2026, 20:25 UTC

Linked CVEs1

Linked CVE reports

These are source relationships, not a claim that this article fixes every affected product or branch.

CVE-2026-77244[mcp-atlassian] Authentication bypass in HTTP transport: AtlassianOpaqueTokenVerifier accepts any non-empty token

Source and provenance

Original title: [mcp-atlassian] Authentication bypass in HTTP transport: AtlassianOpaqueTokenVerifier accepts any non-empty token; server falls back to env-var credentials, allowing unauthenticated use of operator's Jira/Confluence access · Advisory · sooperset/mcp-atlassian · GitHub. Captured 29 Sept 2026, 20:25 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

Open the publisher's current version ↗