{"action":"Upgrade hermes-agent to 0.16.0 or later.","affected":[{"fixed":"0.16.0","introduced":"0"}],"component":"hermes-agent","cve_ids":["CVE-2026-53869"],"ecosystem":"PyPI","epss":0.00812,"exploited":false,"fixed_versions":["0.16.0"],"ghsa_id":"GHSA-4pqm-j46f-795x","id":"tcs_01M5KGZXM3ESD1WXECTWA1BDZW","modified_at":"2026-07-13T16:31:57.054858358Z","published_at":"2026-07-13T15:46:20.346348Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2510","https://nvd.nist.gov/vuln/detail/CVE-2026-53869","https://github.com/NousResearch/hermes-agent/pull/30221","https://github.com/NousResearch/hermes-agent/pull/31685","https://github.com/NousResearch/hermes-agent/commit/d9ec90585cf7616b5972e44cf8d92bb569fc3feb","https://github.com/NousResearch/hermes-agent","https://github.com/NousResearch/hermes-agent/releases/tag/v2026.6.5","https://www.vulncheck.com/advisories/hermes-agent-dns-rebinding-bypass-via-websocket-endpoints","https://pypi.org/project/hermes-agent","https://github.com/advisories/GHSA-4pqm-j46f-795x"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2510","url":"https://osv.dev/vulnerability/PYSEC-2026-2510"}],"summary":"Hermes Agent contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation"}