{"action":"Upgrade justhtml to 1.10.0 or later.","affected":[{"fixed":"1.10.0","introduced":"0"}],"component":"justhtml","cve_ids":["CVE-2026-9769"],"ecosystem":"PyPI","epss":0.00337,"exploited":false,"fixed_versions":["1.10.0"],"ghsa_id":"GHSA-v7cf-c9rm-wm3j","id":"tcs_01M5KH8638KBKF2PKSC1Z2N62D","modified_at":"2026-09-10T12:15:07.010761627Z","published_at":"2026-09-10T09:44:49.394670Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3854","https://github.com/EmilStenstrom/justhtml/security/advisories/GHSA-v7cf-c9rm-wm3j","https://nvd.nist.gov/vuln/detail/CVE-2026-9769","https://github.com/EmilStenstrom/justhtml","https://github.com/EmilStenstrom/justhtml/releases/tag/v1.10.0","https://www.vulncheck.com/advisories/justhtml-before-denial-of-service-via-deeply-nested-html","https://pypi.org/project/justhtml","https://github.com/advisories/GHSA-v7cf-c9rm-wm3j"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"PYSEC-2026-3854","url":"https://osv.dev/vulnerability/PYSEC-2026-3854"}],"summary":"Uncontrolled recursion DoS in JustHTML() via deeply nested HTML"}