CVE-2025-12816: forge — Exploit & Fix

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.

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CVSS v3.1 Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Weakness Type (CWE)

CWE-436 CWE-436

Affected Products

Vendor	Product	Versions
digitalbazaar	forge	< 1.3.1

References

Advisories & Patches

https://github.com/digitalbazaar/forge/pull/1124 https://github.com/digitalbazaar/forge/security/advisories/GHSA-5gfm-wpxj-wjgq

Exploits

https://github.com/digitalbazaar/forge/security/advisories/GHSA-5gfm-wpxj-wjgq

Other References

https://github.com/digitalbazaar/forge https://kb.cert.org/vuls/id/521113 https://www.npmjs.com/package/node-forge https://www.kb.cert.org/vuls/id/521113

Frequently Asked Questions

What is CVE-2025-12816? +

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. It has a CVSS v3.1 base score of 8.6 (HIGH).

How severe is CVE-2025-12816? +

CVE-2025-12816 has a CVSS v3.1 score of 8.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-12816? +

CVE-2025-12816 affects products from digitalbazaar, specifically: forge. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-12816? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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