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CVE-2026-32313

xmlseclibs is Missing AES-GCM Authentication Tag Validation on Encrypted Nodes Allows for Unauthorized Decryption PUBLISHED

Description (CNA)

xmlseclibs is a library written in PHP for working with XML Encryption and Signatures. Prior to 3.1.5, XML nodes encrypted with either aes-128-gcm, aes-192-gcm, or aes-256-gcm lack validation of the authentication tag length. An attacker can use this to brute-force an authentication tag, recover the GHASH key, and decrypt the encrypted nodes. It also allows to forge arbitrary ciphertexts without knowing the encryption key. This vulnerability is fixed in 3.1.5.

Affected (CNA)

Vendor / productVersions
robrichards / xmlseclibsaffected < 3.1.5

CWE

CWE-354

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.