CVE-2026-81657 IBM Guardium Data Protection is affected by multiple vulnerabilities.
Remote unauthenticated attackers can execute arbitrary code on IBM Guardium Data Protection systems via unsafe deserialization of untrusted data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-81657?
CVE-2026-81657 is a critical unsafe deserialization vulnerability in Ibm Guardium Data Protection, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM Guardium Data Protection 12.2 could allow a remote unauthenticated attacker to execute arbitrary code on the system due to the deserialization of untrusted data.
Weakness: CWE-502
Which versions are affected by CVE-2026-81657?
It affects 1 product.
Products include Ibm Guardium Data Protection.
How do I fix CVE-2026-81657?
No fix has been published for CVE-2026-81657 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-81657 being exploited?
There is no known exploitation of CVE-2026-81657 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-h3pv-6pq6-64wq.