VulnerabilityDeferred

CVE-2026-58443

Public-only repository tokens can update private PR head branches

CRITICAL 9.1EPSS 0.58%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Public-only repository tokens can update private PR head branches

CVSS 3.1: 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS: 0.58% probability · 46th percentile
CISA KEV: Not listed
Weakness: CWE-863
Source: 88ee5874-cf24-4952-aea0-31affedb7ff2

References

https://blog.gitea.com/gitea-1.27.0-is-released/
https://github.com/go-gitea/gitea/releases/tag/v1.27.0
https://github.com/go-gitea/gitea/security/advisories/GHSA-xxjv-752h-3vp2
https://github.com/go-gitea/gitea/security/advisories/GHSA-xxjv-752h-3vp2

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.