{"id":"CVE-2026-119545","state":"PUBLISHED","title":"Forgejo through 15.0.11, 16.0.7, and 17.0.1 SSRF via OpenID Discovery","description":"Forgejo through 15.0.11, 16.0.0 through 16.0.7, and 17.0.0 through 17.0.1 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server issue requests by submitting arbitrary OpenID identifier URLs. Attackers can POST crafted identifiers to /user/login/openid to trigger blind discovery GET requests to loopback, cloud metadata, and internal addresses for port scanning and probing.","publishedAt":"2026-10-30T11:30:58.642Z","updatedAt":"2026-10-30T16:09:53.289Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["forgejo forgejo"],"affected":[{"vendor":"forgejo","product":"forgejo","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"15.0.11","versionType":"semver"},{"version":"16.0.0","status":"affected","lessThanOrEqual":"16.0.7","versionType":"semver"},{"version":"17.0.0","status":"affected","lessThanOrEqual":"17.0.1","versionType":"semver"}],"repo":"https://codeberg.org/forgejo/forgejo"}],"references":["https://codeberg.org/forgejo/forgejo/src/tag/v17.0.1/modules/auth/openid/openid.go#L35-L36","https://abraxaslabs.tech/research/forgejo-openid-discovery-ssrf","https://github.com/go-gitea/gitea/security/advisories/GHSA-2fcr-jfvc-vgg2","https://codeberg.org/forgejo/forgejo","https://www.vulncheck.com/advisories/forgejo-through-15.0.11-16.0.7-and-17.0.1-ssrf-via-openid-discovery"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-30T16:24:06.740Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/119xxx/CVE-2026-119545.json","commit":"52408409ce2a766d916f7a10c578d10655ec3113","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-119545","state":"PUBLISHED","datePublished":"2026-10-30T11:30:58.642Z","dateUpdated":"2026-10-30T16:09:53.289Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-30T10:53:23.968Z"},"containers":{"cna":{"title":"Forgejo through 15.0.11, 16.0.7, and 17.0.1 SSRF via OpenID Discovery","descriptions":[{"lang":"en","value":"Forgejo through 15.0.11, 16.0.0 through 16.0.7, and 17.0.0 through 17.0.1 contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the server issue requests by submitting arbitrary OpenID identifier URLs. Attackers can POST crafted identifiers to /user/login/openid to trigger blind discovery GET requests to loopback, cloud metadata, and internal addresses for port scanning and probing."}],"affected":[{"vendor":"forgejo","product":"forgejo","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"15.0.11","versionType":"semver"},{"version":"16.0.0","status":"affected","lessThanOrEqual":"16.0.7","versionType":"semver"},{"version":"17.0.0","status":"affected","lessThanOrEqual":"17.0.1","versionType":"semver"}],"repo":"https://codeberg.org/forgejo/forgejo"}],"references":[{"url":"https://codeberg.org/forgejo/forgejo/src/tag/v17.0.1/modules/auth/openid/openid.go#L35-L36","tags":["technical-description"]},{"url":"https://abraxaslabs.tech/research/forgejo-openid-discovery-ssrf","tags":["third-party-advisory"]},{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-2fcr-jfvc-vgg2","tags":["related","vendor-advisory"],"name":"GitHub Security Advisory (GHSA-2fcr-jfvc-vgg2)"},{"url":"https://codeberg.org/forgejo/forgejo","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/forgejo-through-15.0.11-16.0.7-and-17.0.1-ssrf-via-openid-discovery","name":"VulnCheck Advisory: Forgejo through 15.0.11, 16.0.7, and 17.0.1 SSRF via OpenID Discovery","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-30T11:30:58.642Z"},"datePublic":"2026-10-12T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:forgejo:forgejo:*:*:*:*:*:*:*:*","versionEndIncluding":"15.0.11"},{"vulnerable":true,"criteria":"cpe:2.3:a:forgejo:forgejo:*:*:*:*:*:*:*:*","versionStartIncluding":"16.0.0","versionEndIncluding":"16.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:a:forgejo:forgejo:*:*:*:*:*:*:*:*","versionStartIncluding":"17.0.0","versionEndIncluding":"17.0.1"}]}]}],"credits":[{"lang":"en","value":"Abraxas Labs","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-2fcr-jfvc-vgg2","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T16:08:38.126087Z","id":"CVE-2026-119545","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-30T16:09:53.289Z"}}]}}}