CVE-2023-34212 exploit

Exploit for CVE-2023-34212. CVSS 6.5.

Published 22 Sep 2026Updated 22 Sep 2026197 sources
CVSS 6.5 PoC CANDIDATE

What happened

Untrusted data deserialization in Apache NiFi 1.8.0-1.21.0 via JNDI JMS components.

Affected versions

Unknown product: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references