CVE-2026-12359

Analyzed Analyzed - Analysis Complete

IBM Security Verify Access HTTP Request Interpretation Vulnerability

Publication date: 2026-08-12

Last updated on: 2026-08-17

Assigner: IBM Corporation

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-12

Last Modified

2026-08-17

Generated

2026-09-02

AI Q&A

2026-08-13

EPSS Evaluated

2026-08-31

NVD

CVE-2026-12359

EUVD

EUVD-2026-57543

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	security_verify_access	From 10.0.0 (inc) to 10.0.9.2 (inc)
ibm	security_verify_access	10.0.9.2
ibm	verify_identity_access	From 11.0 (inc) to 11.0.3 (inc)
ibm	verify_identity_access_container	From 11.0.0.0 (inc) to 11.0.3.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Attack-Flow Graph

Executive Summary

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 are vulnerable to a flaw where a reverse proxy inconsistently interprets HTTP requests. This allows a remote attacker to access sensitive information.

Detection Guidance

This vulnerability involves inconsistent HTTP request interpretation by a reverse proxy in IBM Security Verify Access and related products. Detection requires checking for unusual HTTP request patterns or proxy behavior. Review proxy logs for malformed requests or unexpected responses. Ensure IBM Security Verify Access is updated to the latest patched version.

Impact Analysis

A remote attacker could exploit this vulnerability to gain unauthorized access to sensitive data, potentially leading to data breaches, information disclosure, or further network compromise depending on the exposed information.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, which may violate GDPR, HIPAA, or other regulations requiring strict data protection and access controls.

Mitigation Strategies

Apply the latest patches or updates provided by IBM for IBM Security Verify Access 10.0 through 10.0.9.2, IBM Verify Identity Access 11.0 through 11.0.3, and IBM Verify Identity Access Container 11.0 through 11.0.3 to address the inconsistent HTTP request interpretation issue.

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