CVE-2026-12359 Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access

High 8.1 Published Updated

Remote attackers can access sensitive information due to inconsistent HTTP request interpretation by a reverse proxy in IBM Verify Access products.

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-2026-12359?

CVE-2026-12359 is a high-severity authentication bypass vulnerability in Ibm Security Verify Access, published on 12 Aug 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 and IBM Verify Identity Access Container 11.0 through 11.0.3 could allow a remote attacker to access sensitive information due to an inconsistent interpretation of an HTTP request by a reverse proxy.

Weakness: CWE-287

Which versions are affected by CVE-2026-12359?

It affects 3 products.

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

How do I fix CVE-2026-12359?

No fix has been published for CVE-2026-12359 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-12359 being exploited?

There is no known exploitation of CVE-2026-12359 in the wild and no public exploit code.

All Ibm Security Verify Access vulnerabilities

Sources

Also known as GHSA-xcgp-rf3j-7xg8.

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