CVE-2026-96580 (GCVE-0-2026-96580)

Vulnerability from cvelistv5 – Published: 2026-10-06 19:25 – Updated: 2026-10-07 20:09
VLAI
Title
Gitea Actions memory exhaustion through large static matrices
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 20:09 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
Gitea Gitea Affected: 0 , ≤ 1.27.3 (semver)
Create a notification for this product.
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
Show details on NVD website
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