CVE-2026-1063 bastillion-io Bastillion Public Key Management System AuthKeysKtrl.java command injection
Remote attackers can execute arbitrary commands via the Public Key Management System in Bastillion, requiring permissions.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1063?
CVE-2026-1063 is a medium-severity command injection vulnerability in bastillion-io Bastillion, published on 17 Jan 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability has been found in bastillion-io Bastillion up to 4.0.1. This vulnerability affects unknown code of the file src/main/java/io/bastillion/manage/control/AuthKeysKtrl.java of the component Public Key Management System. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public 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-2026-1063?
How do I fix CVE-2026-1063?
No fix has been published for CVE-2026-1063 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-1063 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1063 exists.
Sources
Also known as GHSA-wpc5-4frv-w876.