CVE-2026-57886CWE-639CWE-862broken-access-control

CVE-2026-57886

Medium · published August 13, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
22.9
In the wild
Unconfirmed
What it is

Cross-repository issue/comment attachment re-linking can expose private attachment content

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00312 · 22.9th percentile
Weaknesses
CWE-639 · Authorization Bypass Through User-Controlled Key; CWE-862 · Missing Authorization
Published
2026-08-13T21:17Z
References (3)
https://blog.gitea.com/gitea-1.27.0-is-released/ · 88ee5874-cf24-4952-aea0-31affedb7ff2https://github.com/go-gitea/gitea/releases/tag/v1.27.0 · 88ee5874-cf24-4952-aea0-31affedb7ff2https://github.com/go-gitea/gitea/security/advisories/GHSA-6c6r-5xr4-cr5m · 88ee5874-cf24-4952-aea0-31affedb7ff2
EPSS history
Timeline
  • 13 AUG 16:44Z
    Cross-repository issue/comment attachment re-linking can expose private attachment content
    cvelistv5