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CVE-2026-32313 - Vulnerability Analysis

HighCVSS: 8.2

Last Updated: March 16, 2026

xmlseclibs - Cryptographic Weakness

Published: March 16, 2026Updated: March 16, 2026Remote Exploitable

Overview

xmlseclibs prior to 3.1.5 contains a cryptographic vulnerability caused by lack of authentication tag length validation in AES-GCM encrypted XML nodes, letting attackers forge ciphertexts and decrypt nodes, exploit requires crafted encrypted XML nodes.

Severity & Score

Severity: High

CVSS Score: 8.2

Impact

Attackers can decrypt encrypted XML nodes and forge ciphertexts without the encryption key, compromising confidentiality and integrity.

Mitigation

Update to version 3.1.5 or later.

References

https://github.com/robrichards/xmlseclibs/releases/tag/3.1.5
https://github.com/robrichards/xmlseclibs/security/advisories/GHSA-4v26-v6cg-g6f9
https://github.com/robrichards/xmlseclibs/commit/03062be78178cbb5e8f605cd255dc32a14981f92

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-32313
Severity: High
CVSS Score: 8.2
Type: weak_cryptography
Status: unconfirmed

CWE

CWE-354

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N