CVE-2026-96580

UNKNOWN 0.0

Gitea Actions memory exhaustion through large static matrices

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-400
Vendor	gitea
Product	gitea
Published	Oct 6, 2026

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Affected Versions

Gitea / Gitea

0 ≤ 1.27.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/go-gitea/gitea/security/advisories/GHSA-p3rv-cr5f-9gjh github.com: https://github.com/go-gitea/gitea/pull/39295 blog.gitea.com: https://blog.gitea.com/release-of-28.0.0/ github.com: https://github.com/go-gitea/gitea/releases/tag/v28.0.0

Credits

🔍 https://github.com/smoke-wolf https://github.com/Kushalkhemka https://github.com/mayank-jangid-moon https://github.com/skigeek16 https://github.com/opensec-intelligence https://github.com/silverwind https://github.com/bircni