IBMCVE-2026-82340
IBM Guardium Data Protection: unsafe deserialization
Critical9.8CVE-2026-82340 · Published Sep 18, 2026 · updated Sep 23, 2026
IBM Guardium Data Protection 12.2 is vulnerable to unauthenticated insecure deserialization and attacker-controlled reflective method dispatch in the Change Audit System (CAS) listener. A network attacker able to reach TCP port 16017 may submit crafted serialized messages and potentially cause unintended code execution in the Guardium appliance.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Guardium Data Protection Product | <= 12.2 | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-94
More IBM advisories
All IBM| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 18 | IBM Guardium Data Protection: improper authorization | High8.1 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: cross-site request forgery | High8.8 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: command injection | High8.1 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: remote code execution | High7.2 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: privilege escalation | High7.8 | No fix yet |
| Sep 18 | IBM Guardium Data Protection: information disclosure | High7.7 | No fix yet |