CVE-2026-45261 GitButler: Link injection via forge integration enables arbitrary script execution
Attackers can execute arbitrary scripts in GitButler by injecting malicious links into pull requests, affecting users with forge integration enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-45261?
CVE-2026-45261 is a critical code injection vulnerability in gitbutlerapp gitbutler, published on 28 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
GitButler is a modern Git-based version control interface for AI-powered workflows. Prior to 0.19.7, a emote code execution vulnerability exists in the Tauri-based GitButler desktop application. An attacker can inject a malicious link in a pull request body, which if clicked by the user allows for arbitrary script execution in the Tauri webview. Users that have not enabled forge integration are not at risk. This vulnerability is fixed in 0.19.7.
Weakness: CWE-94
Which versions are affected by CVE-2026-45261?
How do I fix CVE-2026-45261?
No fix has been published for CVE-2026-45261 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-45261 being exploited?
There is no known exploitation of CVE-2026-45261 in the wild and no public exploit code.
Sources
Also known as GHSA-xpmj-536r-9fc6.