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Vulnerability IntelligenceCVE-2026-27779

CVE-2026-27779

HIGH7.5

Gitea forwarded-proto handling allows public URL spoofing

Published Jul 3, 2026

Modified 3 weeks ago

Details

Gitea versions before 1.25.5 accept malformed or injected forwarded-proto values when detecting public URLs, allowing spoofed canonical URL generation.

References

https://blog.gitea.com/release-of-1.25.5/

https://github.com/go-gitea/gitea/pull/36810

https://github.com/go-gitea/gitea/pull/36836

https://github.com/go-gitea/gitea/releases/tag/v1.25.5

https://www.cve.org/CVERecord?id=CVE-2026-27779

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

Configuration

Improper Access Control

Ecosystems

Timeline

PublishedJul 3, 2026

ModifiedJul 6, 2026

CVE-2026-27779 | Mondoo Vulnerability Intelligence