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.
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Fixes
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References
History
Tue, 06 Oct 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Gitea Actions memory exhaustion through large static matrices | |
| Weaknesses | CWE-400 | |
| References |
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Status: PUBLISHED
Assigner: Gitea
Published:
Updated: 2026-10-06T19:25:33.619Z
Reserved: 2026-10-04T21:59:53.570Z
Link: CVE-2026-96580
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Status : Received
Published: 2026-10-06T20:17:35.600
Modified: 2026-10-06T20:17:35.600
Link: CVE-2026-96580
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OpenCVE Enrichment
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Weaknesses