IBM Verify Identity Access Container up to 11.0.2 Reverse Proxy request smuggling

Summaryinfo

A vulnerability has been found in IBM Verify Identity Access Container, Security Verify Access Container, Verify Identity Access and Security Verify Access up to 11.0.2 and classified as problematic. This affects an unknown function of the component Reverse Proxy Handler. The manipulation leads to request smuggling. This vulnerability is documented as CVE-2026-1491. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in IBM Verify Identity Access Container, Security Verify Access Container, Verify Identity Access and Security Verify Access up to 11.0.2. This issue affects an unknown part of the component Reverse Proxy Handler. The manipulation with an unknown input leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is confidentiality. The summary by CVE is:

IBM Verify Identity Access Container 11.0 through 11.0.2 and IBM Security Verify Access Container 10.0 through 10.0.9.1 and IBM Verify Identity Access 11.0 through 11.0.2 and IBM Security Verify Access 10.0 through 10.0.9.1 IBM Security Verify could allow a remote attacker to access sensitive information due to an inconsistent interpretation of an HTTP request by a reverse proxy.

It is possible to read the advisory at ibm.com. The identification of this vulnerability is CVE-2026-1491 since 01/27/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/02/2026).

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Virtualization Software

Vendor

• IBM

Name

• Security Verify Access
• Security Verify Access Container
• Verify Identity Access
• Verify Identity Access Container

Version

• 11.0.0
• 11.0.1
• 11.0.2

License

• commercial

Website

• Vendor: https://www.ibm.com/

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