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8.7 High

CVE-2026-85393 node-forge through 1.4.0 fails to validate element count in nested DigestAlgorithm sequences during RSA PKCS#1 v1.5…

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.

Affected products and versions

Product Affected versions Fixed in
forge 1.4 earliest → 1.4.0 No fix stated

Other CVEs of forge

The 25 CVEs of forge →
CVE-2026-119191 Forge: ASN.1 resource exhaustion via BIT STRING decoding in asn1.fromDer 7.5 High CVE-2026-119190 Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript 7.4 High CVE-2026-119189 Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript 5.9 Medium CVE-2026-119188 Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript 7.5 High
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