Vulnerability advisory

CVE-2026-56657

Gitea SSH Key Parser Denial of Service

Published Updated OSV record ↗

Also known as GHSA-4xjf-493q-98p3GO-2026-6042

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

Affected versions

Repository

Affected commitsFixed by commit
GIT github.com/go-gitea/gitea ↗
All commits before 73e0e442988704487b285d59f7494a85229e41e273e0e442988704487b285d59f7494a85229e41e2
Also listed as affected (38)
  • 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 SSH Key Parser Denial of Service

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