CVE-2026-85393: Digitalbazaar Forge

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Digitalbazaar Forge: up to and including 1.4.0

Published 2026-09-03. Last modified 2026-09-24.