{"id":"EUVD-2026-36627","revision":"0a9c137fb0574208a308360dbec61264","records":[{"revision":"0a9c137fb0574208a308360dbec61264","observedAt":"2026-11-05T10:49:48.429+00:00","statement":{"source":"euvd","id":"EUVD-2026-36627","aliases":["CVE-2026-53839","GHSA-wcpv-6hg7-mfcc"],"title":"OpenClaw before 2026.5.7 contains a hostname validation vulnerability in retry endpoint checks that allows matching hostname prefixes instead of exact hostnames. Attackers can exploit this by crafting a hostname prefix resembling a trusted …","description":"OpenClaw before 2026.5.7 contains a hostname validation vulnerability in retry endpoint checks that allows matching hostname prefixes instead of exact hostnames. Attackers can exploit this by crafting a hostname prefix resembling a trusted host to send authentication material to untrusted endpoints.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":6,"severity":null}],"references":["https://github.com/openclaw/openclaw/security/advisories/GHSA-77q5-rr5v-x43q","https://www.vulncheck.com/advisories/openclaw-hostname-prefix-matching-bypass-in-trusted-retry-endpoint-validation"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-36627","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Jun 12, 2026, 9:57:01 PM","dateUpdated":"Oct 8, 2026, 3:23:12 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-36627","identifiers":["EUVD-2026-36627","CVE-2026-53839","GHSA-wcpv-6hg7-mfcc"]},"retained":false,"historicalAffected":[]}],"coverage":[]}