CVE-2025-66030 node-forge ASN.1 OID Integer Truncation

What is CVE-2025-66030?

CVE-2025-66030 is a medium-severity vulnerability in digitalbazaar forge, published on 26 Nov 2025.

Official description

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. An Integer Overflow vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft ASN.1 structures containing OIDs with oversized arcs. These arcs may be decoded as smaller, trusted OIDs due to 32-bit bitwise truncation, enabling the bypass of downstream OID-based security decisions. This issue has been patched in version 1.3.2.

Weakness: CWE-190

Which versions are affected by CVE-2025-66030?

2 open source packages ship an affected version, including node-forge. It affects 1 product.

Products include Digitalbazaar Forge.

How do I fix CVE-2025-66030?

Upgrade node-forge to 1.3.2 or later.

Is CVE-2025-66030 being exploited?

There is no known exploitation of CVE-2025-66030 in the wild and no public exploit code.

Other vulnerabilities in digitalbazaar forge

• CVE-2020-7720 Prototype Pollution Critical 9.8
• CVE-2025-66031 node-forge ASN.1 Unbounded Recursion High 8.7
• CVE-2025-12816 CVE-2025-12816 High 8.6
• CVE-2026-33891 Forge has Denial of Service via Infinite Loop in BigInteger.modInverse() with Zero Input High 7.5
• CVE-2026-33894 Forge has signature forgery in RSA-PKCS due to ASN.1 extra field High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-71131, CLEANSTART-2026-VG64993, CLEANSTART-2026-XV88619, DEBIAN-CVE-2025-66030, GHSA-65ch-62r8-g69g, MINI-37m5-m3fm-6jv9 and 14 more.