CVE-2026-84271 IBM Guardium Data Protection Signature Verification Bypass
Local attackers can bypass signature verification in the patch installer to execute arbitrary code with root privileges on IBM Guardium Data Protection.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84271?
CVE-2026-84271 is a high-severity vulnerability in Ibm Guardium Data Protection, published on 8 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBM Guardium Data Protection 12.2 is vulnerable to a signature verification bypass in the patch installer. An attacker with local access could exploit this vulnerability to execute arbitrary code with root privileges.
Which versions are affected by CVE-2026-84271?
It affects 1 product.
Products include Ibm Guardium Data Protection.
How do I fix CVE-2026-84271?
No fix has been published for CVE-2026-84271 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-84271 being exploited?
There is no known exploitation of CVE-2026-84271 in the wild and no public exploit code.
Other vulnerabilities in Ibm Guardium Data Protection
- CVE-2026-80442 IBM Guardium Data Protection is affected by multiple vulnerabilities.
- CVE-2026-84064 IBM Guardium Data Protection is affected by multiple vulnerabilities.
- CVE-2026-84075 IBM Guardium Data Protection is affected by multiple vulnerabilities.
- CVE-2026-84078 IBM Guardium Data Protection is affected by multiple vulnerabilities.
- CVE-2026-75875 Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protection
Sources
Also known as GHSA-874x-xwj3-m65h.