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CVE-2026-33894

7.5 · HIGH

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript.

Published Mar 27, 2026CWE-20EPSS 0.45%

Overview

CVE-2026-33894 is a high-severity vulnerability. It was published on March 27, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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). Attackers can forge signatures by stuffing “garbage” bytes within the ASN structure in order to construct a signature that passes verification, enabling Bleichenbacher style forgery. This issue is similar to CVE-2022-24771, but adds bytes in an addition field within the ASN structure, rather than outside of it. Additionally, forge does not validate that signatures include a minimum of 8 bytes of padding as defined by the specification, providing attackers additional space to construct Bleichenbacher forgeries. Version 1.4.0 patches the issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdatatracker.ietf.org/doc/html/rfc2313#section-8GitHubgithub.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwpGitHubgithub.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwpGitHubgithub.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwpGitHubgithub.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwpGitHubgithub.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwpGitHubgithub.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwpGitHubgithub.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwpGitHubgithub.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwpGitHubgithub.com/digitalbazaar/forge/security/advisories/GHSA-ppp5-5v6c-4jwp

How CyberStrike helps

Frequently asked questions

What is CVE-2026-33894?

CVE-2026-33894 is a high-severity vulnerability. It was published on March 27, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-33894?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-33894?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-33894?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-33894 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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