CVE-2026-33896
CVE-2026-33896 is a high-severity vulnerability in Digitalbazaar Forge with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.
Key facts
- Severity: High (CVSS 3.x base score 7.4)
- EPSS exploit prediction: 0% (27th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-16837
- Weakness: CWE-295
- Affected product: Digitalbazaar Forge
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-33896?
- 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.
- How severe is CVE-2026-33896?
- CVE-2026-33896 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2026-33896 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-33896?
- CVE-2026-33896 affects Digitalbazaar Forge. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-33896?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-33896 have an EU (EUVD) identifier?
- Yes. CVE-2026-33896 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16837.
- When was CVE-2026-33896 published?
- CVE-2026-33896 was published on 2026-03-27 and last updated on 2026-07-02.
References
- https://github.com/digitalbazaar/forge/commit/2e492832fb25227e6b647cbe1ac981c123171e90
- https://github.com/digitalbazaar/forge/security/advisories/GHSA-2328-f5f3-gj25
- https://access.redhat.com/errata/RHSA-2026:13826
- https://access.redhat.com/errata/RHSA-2026:24761
- https://access.redhat.com/errata/RHSA-2026:34342
- https://access.redhat.com/errata/RHSA-2026:9742
- https://access.redhat.com/security/cve/CVE-2026-33896
- https://bugzilla.redhat.com/show_bug.cgi?id=2452458
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33896.json
Affected products (1)
- cpe:2.3:a:digitalbazaar:forge:*:*:*:*:*:node.js:*:*
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