{"id":"CVE-2026-33896","sourceIdentifier":"security-advisories@github.com","published":"2026-03-27T21:17:26.320","lastModified":"2026-09-04T13:19:25.377","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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. 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