CVE-2026-12091 Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
A remote attacker can cause a denial of service in IBM Verify Identity Access by sending a specially crafted request that triggers a heap-based out-of-bounds read.
- 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-2026-12091?
CVE-2026-12091 is a low-severity memory corruption vulnerability in Ibm Security Verify Access, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, 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 could allow a denial of service due to a heap-based out-of-bounds read. A remote attacker could send a specially crafted request that causes a limited out‑of‑bounds memory read.
Weakness: CWE-125
Which versions are affected by CVE-2026-12091?
It affects 4 products.
Products include Ibm Security Verify Access, Ibm Security Verify Access Container, Ibm Verify Identity Access, Ibm Verify Identity Access Container.
How do I fix CVE-2026-12091?
No fix has been published for CVE-2026-12091 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-12091 being exploited?
There is no known exploitation of CVE-2026-12091 in the wild and no public exploit code.
Other vulnerabilities in Ibm Security Verify Access
- CVE-2026-78401 Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
- CVE-2026-78406 Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
- CVE-2024-49803 IBM Security Verify Access Appliance command execution
- CVE-2021-39070 Auth bypass in n/a
- CVE-2024-49805 IBM Security Verify Access Appliance hard coded credentials
Sources
Also known as GHSA-v6xm-h74x-wr55.