CVE-2026-57886

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

13/08/2026

Last modified:

26/08/2026

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): Low
Availability (A): None

Base Score 3.x

5.90

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

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-6c6r-5xr4-cr5m