Security Advisory
CVE-2026-85393
7.5
HIGH
Vulnerability Description
node-forge through 1.4.0 fails to validate element count in nested DigestAlgorithm sequences during RSA PKCS#1 v1.5 signature verification. Attackers can embed garbage bytes inside the DigestAlgorithm sequence to forge valid signatures for arbitrary messages using low-exponent RSA keys. This is an incomplete fix for CVE-2026-33894.
Published Date
September 3, 2026
Official Source
NIST NVD Advisory