{"id":"CVE-2026-63088","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-63088","generatedAt":"2026-10-28T00:28:17.311Z","title":"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_blacklisted…","description":"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_blacklisted function, which inspects only the first resolved address while the underlying HTTP client iterates all cached addresses.","published":"2026-07-16T17:16:59.000Z","lastModified":"2026-10-24T13:10:00.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-918"],"affected":[],"epss":{"score":0.00471,"percentile":0.40452,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/stoatchat/stoatchat/releases/tag/v0.14.0","source":"disclosure@vulncheck.com"},{"url":"https://github.com/stoatchat/stoatchat/security/advisories/GHSA-4mcc-p83c-r77q","source":"disclosure@vulncheck.com"},{"url":"https://github.com/stoatchat/stoatchat/security/advisories/GHSA-xhww-5g9p-vvq5","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/stoatchat-ssrf-via-dns-based-ip-blocklist-bypass","source":"disclosure@vulncheck.com"},{"url":"https://github.com/stoatchat/stoatchat/security/advisories/GHSA-4mcc-p83c-r77q","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-63088","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}