{"id":"CVE-2026-63088","title":"stoatchat < 0.14.0 SSRF via DNS-based IP Blocklist Bypass","summary":"stoatchat before 0.14.0 contains a server-side request forgery (SSRF) vulnerability that allows unauthenticated network-accessible attackers to bypass the DNS-based IP blocklist by exploiting incomplete address validation in the url_is_b…","severity":"high","cvss":8.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-918"],"vendor":"stoatchat","product":"stoatchat","affected":["stoatchat < 0.14.0"],"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-07-16T18:00:05.693791Z"},"exploitAvailable":true,"published":"2026-07-16","updated":"2026-11-08","sourceUpdated":"2026-11-08T14:07:37.575Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-63088","references":[{"url":"https://github.com/stoatchat/stoatchat/security/advisories/GHSA-4mcc-p83c-r77q","label":"GitHub Security Advisory (GHSA-4mcc-p83c-r77q)"},{"url":"https://github.com/stoatchat/stoatchat/releases/tag/v0.14.0","label":"stoatchat 0.14.0 Release Notes"},{"url":"https://github.com/stoatchat/stoatchat/security/advisories/GHSA-xhww-5g9p-vvq5","label":"Incomplete Fix - GitHub Security Advisory (GHSA-xhww-5g9p-vvq5)"},{"url":"https://www.vulncheck.com/advisories/stoatchat-ssrf-via-dns-based-ip-blocklist-bypass"}],"tags":["cve.org","exploit-available"],"epss":0.00471,"epssPercentile":0.40966,"ingestedAt":"2026-11-08T14:51:22.273Z","slug":"CVE-2026-63088","body":"## Overview\n\nstoatchat before 0.14.0 contains a server-side request forgery (SSRF) vulnerability that allows unauthenticated network-accessible attackers to bypass the DNS-based IP blocklist by exploiting incomplete address validation in the url_is_blacklisted function, which inspects only the first resolved address while the underlying HTTP client iterates all cached addresses.\n\n## Affected\n\n- `stoatchat < 0.14.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":59,"depthScoreParts":{"impact":47.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}