CVE-2026-33896
CRITICAL
INFO
Priority: 0.03
BB Relevance:
78/100
Published: 2026-03-27
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
High
I:
High
A:
None
Description
Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.4.0, `pki.verifyCertificateChain()` does not enforce RFC 5280 basicConstraints requirements when an intermediate certificate lacks both the `basicConstraints` and `keyUsage` extensions. This allows any leaf certificate (without these extensions) to act as a CA and sign other certificates, which node-forge will accept as valid. Version 1.4.0 patches the issue.
Weakness Classification (1)
Affected Software (1)
| Vendor | Product | Version |
|---|---|---|
| digitalbazaar | forge | < 1.3.3 |
References & Advisories (9)
Patch
Exploit
Vendor Advisory