CVE-2026-27775

HIGH 8.8EPSS 0.5%

Gitea 1.25.5 caches a branch-specific write-permission result across multiple refs in one pre-receive hook session, allowing a per-branch maintainer-edit grant to be reused for other refs and escalate to full repository write access.

CVSS v3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.52% chance of exploitation in the next 30 days, 42th percentile
Published: 2026-07-03
Updated: 2026-07-06

Proof-of-concept exploits (1)

advisories/GHSA-649p-mmhf-85c7

References

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