Quick answers
- Is CVE-2026-5556 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-5556 being exploited in the wild.
- How severe is CVE-2026-5556?
- Medium severity, with a CVSS score of 6.3, published 5 April 2026.
- Which products and versions are affected?
- Badlogic Pi-Mono up to 0.58.4.
- Is there a fix for CVE-2026-5556?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-5556 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-5556?
- Check whether you run Badlogic Pi-Mono at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A code injection vulnerability exists in the badlogic pi-mono library up to version 0.58.4. The flaw is located in the 'discoverAndLoadExtensions' function within 'packages/coding-agent/src/core/extensions/loader.ts'. By manipulating inputs to this function, a remote attacker with low privileges can achieve arbitrary code execution. The vulnerability is classified under CWE-94 (Improper Control of Generation of Code) and CWE-74 (Improper Neutralization of Special Elements). A public exploit has been disclosed, and as of the advisory date, the vendor has not provided a patch or response.
Affected products
- badlogic pi-mono up to 0.58.4
Timeline
- 2026-03-19: disclosed: Initial disclosure on GitHub issue tracker
- 2026-04-05: advisory: NVD and VulDB publication date