{"action":"Upgrade mcp-atlassian to 0.22.0 or later.","affected":[{"fixed":"0.22.0","introduced":"0"}],"component":"mcp-atlassian","cve_ids":["CVE-2026-77249"],"ecosystem":"PyPI","epss":0.00336,"exploited":false,"fixed_versions":["0.22.0"],"ghsa_id":"GHSA-v9m3-wfh8-5646","id":"tcs_01M5KFZR8197D74JDKRT91X3F1","modified_at":"2026-10-01T17:55:44.668204651Z","published_at":"2026-09-22T20:36:31Z","references":["https://osv.dev/vulnerability/GHSA-v9m3-wfh8-5646","https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-v9m3-wfh8-5646","https://github.com/sooperset/mcp-atlassian/pull/1448","https://github.com/sooperset/mcp-atlassian/commit/b041733473f95119dd539542a43c280737a8e460","https://github.com/sooperset/mcp-atlassian","https://github.com/sooperset/mcp-atlassian/releases/tag/v0.22.0"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-v9m3-wfh8-5646","url":"https://osv.dev/vulnerability/GHSA-v9m3-wfh8-5646"}],"summary":"MCP Atlassian: Incomplete fix for GHSA-7r34-79r5-rcc9: redirect-based SSRF via unhooked requests session in Jira user-permission lookup"}