{"cve":"CVE-2026-90799","nvd":{"published":"2026-10-20T16:17:15.907","modified":"2026-10-20T19:34:00.700","status":"Deferred","description":"Unsafe binary deserialisation in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to cause a denial of service via memory exhaustion.\n\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:U/S:N/AU:Y/R:A/V:D/RE:M/U:Amber","score":1.3},"cvss_v3":null,"cwes":["CWE-502"],"references":["https://lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f","https://lists.apache.org/thread/bqxkm19hw8985t7opz675b29hs1zl4z9","http://www.openwall.com/lists/oss-security/2026/10/20/14"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:56:58.798400159+00:00"},"epss":{"cve":"CVE-2026-90799","score":0.00644,"percentile":0.50586,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}