Vulnerability · Published Jan 17, 2026 · Assigned by VulDB

CVE-2026-1064bastillion-io Bastillion System Management SystemKtrl.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 was found in bastillion-io Bastillion up to 4.0.1. This issue affects some unknown processing of the file src/main/java/io/bastillion/manage/control/SystemKtrl.java of the component System Management Module. Performing a manipulation results in command injection. The attack can be initiated remotely. The exploit has been made public and could 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-341632 | bastillion-io Bastillion System Management SystemKtrl.java command injection vdb-entry, technical-description
VDB-341632 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #731308 | bastillion-io Bastillion SSH Key Manager <=4.0.1 Command Injection third-party-advisory
https://github.com/AnalogyC0de/public_exp/blob/main/archives/Bastillion/report2.md exploit