Vulnerability · Published Jan 17, 2026 · Assigned by VulDB

CVE-2026-1063bastillion-io Bastillion Public Key Management System AuthKeysKtrl.java command injection

Medium 4.7

In plain English

A medium-severity command injection in Bastillion from bastillion-io. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 4.5% (higher than 92% of all known vulnerabilities).

Severity (CVSS 3.1)4.7Medium

Exploit odds (30 days)4.5%top 8.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
bastillion-io	Bastillion	4.0.04.0.1

Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-341631 | bastillion-io Bastillion Public Key Management System AuthKeysKtrl.java command injection vdb-entry, technical-description
VDB-341631 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #731303 | bastillion-io Bastillion <=4.0.1 Command Injection third-party-advisory
https://github.com/AnalogyC0de/public_exp/blob/main/archives/Bastillion/report1.md exploit