CVE-2026-11923

Analyzed Analyzed - Analysis Complete

IBM Security Verify Access Reverse Proxy Cryptographic Validation Weakness

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 Reverse Proxy in certain configurations may provide weaker than expected cryptographic validation of user supplied data.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-11923

EUVD

EUVD-2026-57542

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

This vulnerability affects IBM Security Verify Access and IBM Verify Identity Access Reverse Proxy in certain configurations. It allows weaker than expected cryptographic validation of user-supplied data, potentially enabling attackers to bypass security checks.

Detection Guidance

This vulnerability involves weaker cryptographic validation in IBM Security Verify Access and related products. Detection requires checking the software versions and configurations of these IBM products. No specific commands are provided in the available context to directly detect this issue.

Impact Analysis

An attacker could exploit this to manipulate data validation, leading to unauthorized access or data breaches. The CVSS score of 7.4 indicates a high severity risk for confidentiality and integrity.

Compliance Impact

This vulnerability could lead to unauthorized data access or tampering, violating GDPR's integrity and confidentiality requirements or HIPAA's safeguards for protected health information.

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 ensure proper cryptographic validation.

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