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Luu, T.J.

🔥 This vulnerability is being actively exploited in the wild (CISA Known Exploited Vulnerabilities catalog)

CVE-2026-34197: Apache ActiveMQ Improper Input Validation Vulnerability

infovulnerability🔥 Actively Exploited

security

Source: CISA Known Exploited VulnerabilitiesApril 15, 2026CVE-2026-34197

Summary

Apache ActiveMQ has a vulnerability where it doesn't properly check user input, allowing attackers to inject malicious code (code injection, where an attacker inserts commands into an application). This vulnerability is currently being actively exploited by real attackers.

Solution / Mitigation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. The due date for action is 2026-04-30.

Vulnerability Details

EPSS (30-day exploit probability)

EPSS: 6.2%

Patch Available

Yes

Exploit Maturity

🔥 Actively Exploited

Disclosure Date

April 15, 2026

Classification

Attack SophisticationModerate

Taxonomy References

CWE (Weakness Type)

CWE-20 CWE-94

CAPEC (Attack Pattern)

CAPEC-242

Monthly digest — independent AI security research

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-34197

First tracked: April 16, 2026 at 02:00 PM

Classified by LLM (prompt v3) · confidence: 95%