GHSA-2XJ6-XX86-CWWC: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue · Advisory · sooperset/mcp-atlassian · GitHub

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PublisherGitHub

Article IDGHSA-2XJ6-XX86-CWWC

Verified snapshot29 Sept 2026, 14:38 UTC

Linked CVEs1

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CVE-2026-77255MCP Atlassian: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue

Source and provenance

Original title: Arbitrary File Read & Exfiltration (Confused Deputy) in JIRA update_issue · Advisory · sooperset/mcp-atlassian · GitHub. Captured 29 Sept 2026, 14:38 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

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