{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"0.3.1.3"}],"component":"langchain-chatchat","cve_ids":["CVE-2026-7845"],"ecosystem":"PyPI","epss":0.0014,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-wmvv-fhm6-w34x","id":"tcs_01M5KH068922FS3KJVJJ3FTYB5","modified_at":"2026-07-13T16:31:48.738234847Z","published_at":"2026-07-13T15:02:57.378714Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2558","https://nvd.nist.gov/vuln/detail/CVE-2026-7845","https://github.com/chatchat-space/Langchain-Chatchat/issues/5462","https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-1-tobytes-Hash-Collision.md","https://github.com/chatchat-space/Langchain-Chatchat","https://vuldb.com/submit/807794","https://vuldb.com/vuln/361124","https://vuldb.com/vuln/361124/cti","https://pypi.org/project/langchain-chatchat","https://github.com/advisories/GHSA-wmvv-fhm6-w34x"],"severity":{"label":"low","score":2.6},"sources":[{"source":"osv","source_id":"PYSEC-2026-2558","url":"https://osv.dev/vulnerability/PYSEC-2026-2558"}],"summary":"Langchain-Chatchat Uses a Broken or Risky Cryptographic Algorithm"}