Vulnerability advisory

CVE-2026-25779

Gitea redirect handling permits open redirects through backslash paths

Published Updated OSV record ↗

Also known as GHSA-j5r2-4c8j-xc3mGO-2026-5448

Severity
  • CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected versions

Repository

Affected commitsFixed by commit
GIT github.com/go-gitea/gitea ↗
All commits before f913d90ab664c1deccdfbe8c563abb13e897d62bf913d90ab664c1deccdfbe8c563abb13e897d62b
Also listed as affected (44)
  • v1.25.4
  • v1.25.3
  • v1.25.2
  • v1.25.1
  • v1.25.0
  • v1.25.0-rc0
  • v1.26.0-dev
  • v1.25.0-dev
  • v1.24.0-dev
  • v1.22.0-rc1
  • v1.23.0-dev
  • v1.22.0-rc0
  • v1.21.0-rc0
  • v1.22.0-dev
  • v1.20.0-rc0
  • v1.21.0-dev
  • v1.20.0-dev
  • v1.19.0-rc0
  • v1.18.0-rc0
  • v1.19.0-dev
  • v1.18.0-dev
  • v1.17.0-dev
  • v1.16.0-rc1
  • v1.15.0-rc1
  • v1.16.0-dev
  • v1.15.0-dev
  • v1.14.0-dev
  • v1.13.0-dev
  • v1.12.0-dev
  • v1.10.5
  • v1.11.0-rc1
  • v1.10.0-rc1
  • v1.11.0-dev
  • v1.9.0-rc1
  • v1.10.0-dev
  • v1.9.0-dev
  • v1.7.0-dev
  • v1.6.0-rc1
  • v1.6.0-dev
  • v1.5.0-rc1
  • v1.5.0-dev
  • v1.1.0
  • v1.0.0
  • v0.9.99

Description

Gitea versions up to and including 1.25.4 allow redirect bypasses through raw or percent-encoded backslashes in redirect_to values.

References

  • Codex
  • Claude Code
  • VS Code
  • GitHub Copilot
  • Cursor
  • Cline
  • Windsurf
  • Google Anti-gravity
  • OpenCode
  • Pi
  • Gemini CLI
  • Hermes Agent
  • Zed
  • Junie
  • Qwen Code
  • Kiro
  • Kilo Code
  • Factory Droid

Set up GitHits for your agents

Run this command:

<> bash
npx githits@latest init

What happens next:

  1. Opens your browser to authorize GitHits
  2. Asks whether to set up GitHits at the user or project level
  3. Detects your supported AI coding tools
  4. Lets you choose which tools to configure
  5. Configures the selected tools