CVE-2026-11937 Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access

Low 3.1 Published 12 Aug 2026 Updated 12 Aug 2026

Attackers can cause a denial of service in IBM Verify Access Reverse Proxy under certain configurations due to a use-after-free vulnerability.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-11937?

CVE-2026-11937 is a low-severity use after free vulnerability in Ibm Security Verify Access, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 and IBM Verify Identity Access Container 11.0 through 11.0.3 and IBM Security Verify Access Container 10.0 through 10.0.9.2 Reverse Proxy in certain configurations is vulnerable to a denial of service attack.

Weakness: CWE-416

Which versions are affected by CVE-2026-11937?

It affects 3 products.

Products include Ibm Security Verify Access, Ibm Verify Identity Access, Ibm Verify Identity Access Container.

How do I fix CVE-2026-11937?

No fix has been published for CVE-2026-11937 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-11937 being exploited?

There is no known exploitation of CVE-2026-11937 in the wild and no public exploit code.

All Ibm Security Verify Access vulnerabilities

Sources

Also known as GHSA-9fh5-v27c-r7hv.