DNS Allow-List Bypass in Gitea by Go Gitea
CVE-2026-58442

6.5MEDIUM

Key Information:

Vendor

Gitea

Status
Gitea Open Source Git Server
Vendor
CVE Published:
13 August 2026

What is CVE-2026-58442?

A security vulnerability exists in Gitea related to a multi-answer DNS allow-list bypass during repository migrations. This flaw could enable malicious actors to exploit the system by sending requests to unauthorized internal services, potentially leading to data exposure and unauthorized actions within applications. It is crucial for users of affected versions to apply the necessary patches and updates to mitigate the risk associated with this vulnerability.

Affected Version(s)

Gitea Open Source Git Server 0 <= 1.26.4

References

https://github.com/go-gitea/gitea/security/advisories/GHS...
vendor-advisory
https://github.com/go-gitea/gitea/releases/tag/v1.27.0
release-notes
https://blog.gitea.com/gitea-1.27.0-is-released/
release-notes

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tomer-PL
.