{"action":"Upgrade fast-mcp-telegram to 0.19.1 or later.","affected":[{"fixed":"0.19.1","introduced":"0"}],"component":"fast-mcp-telegram","cve_ids":["CVE-2026-52830"],"ecosystem":"PyPI","epss":0.00648,"exploited":false,"fixed_versions":["0.19.1"],"ghsa_id":"GHSA-rxw2-pc8j-vxwm","id":"tcs_01M5KGZPQCQAXG9Q28FV7KXTDR","modified_at":"2026-07-13T16:31:55.165460679Z","published_at":"2026-07-13T15:46:27.565228Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2473","https://github.com/leshchenko1979/fast-mcp-telegram/security/advisories/GHSA-rxw2-pc8j-vxwm","https://github.com/leshchenko1979/fast-mcp-telegram","https://pypi.org/project/fast-mcp-telegram","https://github.com/advisories/GHSA-rxw2-pc8j-vxwm","https://nvd.nist.gov/vuln/detail/CVE-2026-52830"],"severity":{"label":"critical","score":9.4},"sources":[{"source":"osv","source_id":"PYSEC-2026-2473","url":"https://osv.dev/vulnerability/PYSEC-2026-2473"}],"summary":"fast-mcp-telegram: Bearer token path traversal bypasses reserved Telegram session protection"}