{"api_version":"1","generated_at":"2026-10-06T21:45:56+00:00","cve":"CVE-2026-96580","urls":{"html":"https://cve.report/CVE-2026-96580","api":"https://cve.report/api/cve/CVE-2026-96580.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-96580","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-96580"},"summary":{"title":"Gitea Actions memory exhaustion through large static matrices","description":"Gitea expanded a workflow's static `strategy.matrix` into its full Cartesian product without a size limit when creating a run, before the fork pull request approval gate applied. A user who can open a pull request from a fork could submit a small workflow file whose matrix expands to a very large number of jobs, consuming server memory and potentially terminating the Gitea process. No runner is required. Static matrices above 256 combinations are now rejected before expansion.","state":"PUBLISHED","assigner":"Gitea","published_at":"2026-10-06 20:17:35","updated_at":"2026-10-06 20:17:35"},"problem_types":["CWE-400","CWE-400 CWE-400: Uncontrolled Resource Consumption"],"metrics":[],"references":[{"url":"https://github.com/go-gitea/gitea/releases/tag/v28.0.0","name":"https://github.com/go-gitea/gitea/releases/tag/v28.0.0","refsource":"88ee5874-cf24-4952-aea0-31affedb7ff2","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/go-gitea/gitea/pull/39295","name":"https://github.com/go-gitea/gitea/pull/39295","refsource":"88ee5874-cf24-4952-aea0-31affedb7ff2","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://blog.gitea.com/release-of-28.0.0/","name":"https://blog.gitea.com/release-of-28.0.0/","refsource":"88ee5874-cf24-4952-aea0-31affedb7ff2","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-p3rv-cr5f-9gjh","name":"https://github.com/go-gitea/gitea/security/advisories/GHSA-p3rv-cr5f-9gjh","refsource":"88ee5874-cf24-4952-aea0-31affedb7ff2","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-96580","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96580","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Gitea","product":"Gitea","version":"affected 1.27.3 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"https://github.com/smoke-wolf","lang":"en"},{"source":"CNA","value":"https://github.com/Kushalkhemka","lang":"en"},{"source":"CNA","value":"https://github.com/mayank-jangid-moon","lang":"en"},{"source":"CNA","value":"https://github.com/skigeek16","lang":"en"},{"source":"CNA","value":"https://github.com/opensec-intelligence","lang":"en"},{"source":"CNA","value":"https://github.com/silverwind","lang":"en"},{"source":"CNA","value":"https://github.com/bircni","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageName":"gitea.dev","product":"Gitea","vendor":"Gitea","versions":[{"lessThanOrEqual":"1.27.3","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"reporter","value":"https://github.com/smoke-wolf"},{"lang":"en","type":"finder","value":"https://github.com/Kushalkhemka"},{"lang":"en","type":"finder","value":"https://github.com/mayank-jangid-moon"},{"lang":"en","type":"finder","value":"https://github.com/skigeek16"},{"lang":"en","type":"tool","value":"https://github.com/opensec-intelligence"},{"lang":"en","type":"remediation developer","value":"https://github.com/silverwind"},{"lang":"en","type":"remediation developer","value":"https://github.com/bircni"}],"descriptions":[{"lang":"en","value":"Gitea expanded a workflow's static `strategy.matrix` into its full Cartesian product without a size limit when creating a run, before the fork pull request approval gate applied. A user who can open a pull request from a fork could submit a small workflow file whose matrix expands to a very large number of jobs, consuming server memory and potentially terminating the Gitea process. No runner is required. Static matrices above 256 combinations are now rejected before expansion."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-06T19:25:33.619Z","orgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","shortName":"Gitea"},"references":[{"name":"GitHub Security Advisory GHSA-p3rv-cr5f-9gjh","tags":["vendor-advisory"],"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-p3rv-cr5f-9gjh"},{"name":"Fix: go-gitea/gitea pull request #39295","tags":["patch"],"url":"https://github.com/go-gitea/gitea/pull/39295"},{"name":"Gitea 28.0.0 release announcement","tags":["release-notes"],"url":"https://blog.gitea.com/release-of-28.0.0/"},{"name":"go-gitea/gitea v28.0.0 release","tags":["release-notes"],"url":"https://github.com/go-gitea/gitea/releases/tag/v28.0.0"}],"title":"Gitea Actions memory exhaustion through large static matrices"}},"cveMetadata":{"assignerOrgId":"88ee5874-cf24-4952-aea0-31affedb7ff2","assignerShortName":"Gitea","cveId":"CVE-2026-96580","datePublished":"2026-10-06T19:25:33.619Z","dateReserved":"2026-10-04T21:59:53.570Z","dateUpdated":"2026-10-06T19:25:33.619Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-06 20:17:35","lastModifiedDate":"2026-10-06 20:17:35","problem_types":["CWE-400","CWE-400 CWE-400: Uncontrolled Resource Consumption"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"96580","Ordinal":"1","Title":"Gitea Actions memory exhaustion through large static matrices","CVE":"CVE-2026-96580","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"96580","Ordinal":"1","NoteData":"Gitea expanded a workflow's static `strategy.matrix` into its full Cartesian product without a size limit when creating a run, before the fork pull request approval gate applied. A user who can open a pull request from a fork could submit a small workflow file whose matrix expands to a very large number of jobs, consuming server memory and potentially terminating the Gitea process. No runner is required. Static matrices above 256 combinations are now rejected before expansion.","Type":"Description","Title":"Gitea Actions memory exhaustion through large static matrices"}]}}}