CVE-2025-12816: CVE-2025-12816

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-11-25 · updated 2026-10-18
Weakness: CWE-436

Description

An interpretation-conflict (CWE-436) vulnerability in node-forge versions 1.3.1 and earlier enables unauthenticated attackers to craft ASN.1 structures to desynchronize schema validations, yielding a semantic divergence that may bypass downstream cryptographic verifications and security decisions.

Affected products

digitalbazaar forge: through 1.3.1
Npm Node-Forge: before 1.3.2 — fixed in 1.3.2

How to fix

Upgrade to a fixed version: Npm Node-Forge 1.3.2. Check the vendor advisory for mitigations.

References

https://github.com/digitalbazaar/forge
https://github.com/digitalbazaar/forge/pull/1124
https://github.com/digitalbazaar/forge/security/advisories/GHSA-5gfm-wpxj-wjgq
https://kb.cert.org/vuls/id/521113
https://www.npmjs.com/package/node-forge
https://www.kb.cert.org/vuls/id/521113

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