What is CVE-2026-33894?

CVE-2026-33894 is a high-severity vulnerability in Digitalbazaar Forge, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2026-03-27.

How severe is CVE-2026-33894?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Digitalbazaar Forge

CVE-2026-33894

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, RSASSA PKCS#1 v1.5 signature verification accepts forged signatures for low public exponent keys (e=3). Attacker…

EPSS: 0.000 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Digitalbazaar Forge — versions < 1.4.0

Weakness classification (CWE)

References

https://github.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwp (x_refsource_CONFIRM)
https://datatracker.ietf.org/doc/html/rfc2313#section-8 (x_refsource_MISC)
https://mailarchive.ietf.org/arch/msg/openpgp/5rnE9ZRN1AokBVj3VqblGlP63QE (x_refsource_MISC)
https://www.rfc-editor.org/rfc/rfc8017.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33894?: CVE-2026-33894 is a high-severity vulnerability in Digitalbazaar Forge, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2026-03-27.
How severe is CVE-2026-33894?: High severity. CVSS v3 base score is 7.5 out of 10.