CVE-2026-33896
Forge has a basicConstraints bypass in its certificate chain verification (RFC 5280 violation)
CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-295 |
| Vendor | digitalbazaar |
| Product | forge |
| Published | Mar 27, 2026 |
| Last Updated | Jul 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
digitalbazaar / forge
< 1.4.0
References
github.com: https://github.com/digitalbazaar/forge/security/advisories/GHSA-2328-f5f3-gj25 github.com: https://github.com/digitalbazaar/forge/commit/2e492832fb25227e6b647cbe1ac981c123171e90 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-33896 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2452458 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33896.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:24761 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:34342 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:9742 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:13826