SB20260424111 - Improper validation of integrity check value in XMLSecLibs
Published: April 24, 2026
Security Bulletin ID
SB20260424111
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper validation of integrity check value (CVE-ID: CVE-2026-32313)
The vulnerability allows a remote attacker to disclose sensitive information and modify encrypted data.
The vulnerability exists due to improper validation of integrity check values in AES-GCM decryption of encrypted XML nodes when processing encrypted XML content. A remote attacker can supply a specially crafted encrypted node with a truncated authentication tag to disclose sensitive information and modify encrypted data.
The issue affects XML nodes encrypted with aes-128-gcm, aes-192-gcm, or aes-256-gcm.
Remediation
Install update from vendor's website.