Apache ActiveMQ Improper Input Validation Vulnerability

Apache ActiveMQ

Apache ActiveMQ contains an improper input validation vulnerability that allows for code injection. Added to CISA KEV on 2026-04-16 (federal deadline 2026-04-30).

First seen: 16 Apr 2026
Last update: 16 Apr 2026, 12:00 UTC
Identifiers: CVE-2026-34197
Source: CISA KEV
On the menu as: Java

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Apache ActiveMQ Improper Input Validation Vulnerability
Severity: high, exploited in the wild. Patch status: patched.
Affected: Apache ActiveMQ
Ids: CVE-2026-34197

Apache ActiveMQ contains an improper input validation vulnerability that allows for code injection. Added to CISA KEV on 2026-04-16 (federal deadline 2026-04-30).

## Steps
1. Search the repo, its CI and infra config for Apache ActiveMQ. If present, report the version in use and whether it's affected.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-34197") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://activemq.apache.org/security-advisories.data/CVE-2026-34197-announcement.txt https://nvd.nist.gov/vuln/detail/CVE-2026-34197
https://pwned.coffee/i/apache-activemq-improper-input-validation-vulnerability-cve-2026-34197

Sources

Totalone hot coffee