{"schema":"threatline.record/2","record":{"id":"CVE-2026-90797","aliases":[],"summary":"Apache CouchDB: Pre-authentication gzip decompression bomb via POST /_session","details":"An unlimited gzip decompression routine in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows any remote client to cause a denial of service via memory exhaustion.\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.","categories":["Databases"],"product":"Apache CouchDB","vendor":"Apache Software Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-90797","source_modified_at":"2026-10-20T18:10:06.210Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Apache CouchDB","vendor":"Apache Software Foundation","versions":[{"status":"affected","version":"0","lessThan":"3.5.3","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-90797","source_modified_at":"2026-10-20T18:10:06.210Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Apache CouchDB","ecosystem":null},"version":"3.5.3","basis":"first unaffected version stated in the CVE record"}],"cvss":7.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00669,"percentile":0.51388,"score_date":"2026-10-23"},"published_at":"2026-10-20T15:39:23.376Z","modified_at":"2026-10-20T18:10:06.210Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-90797","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T18:10:06.210Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-90797","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f","tags":["release-notes"]},{"source":"CVE List","url":"https://lists.apache.org/thread/gsbotof0qn8x6zlpd7t568ny4053jo0n","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-20T16:52:22.312441Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-20T18:10:06.210Z","content_hash":"6022489df8452981e779e4f7842464c9f573a7fdf1afe07745bf53dffd6e92f1"}}