CVE-2026-5556 badlogic pi-mono loader.ts discoverAndLoadExtensions code injection
Remote attackers can execute arbitrary code via the discoverAndLoadExtensions function in the pi-mono library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5556?
CVE-2026-5556 is a medium-severity code injection vulnerability in badlogic pi-mono, published on 5 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in badlogic pi-mono up to 0.58.4. This vulnerability affects the function discoverAndLoadExtensions of the file packages/coding-agent/src/core/extensions/loader.ts. The manipulation leads to code injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-5556?
How do I fix CVE-2026-5556?
No fix has been published for CVE-2026-5556 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-2026-5556 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5556 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-jmxv-3q5p-jmjr.