cvedb.io
CVE-2026-33204
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-03-20T23:16:45.677 · Last modified 2026-06-17T10:37:07.100

Summary

SimpleJWT is a simple JSON web token library written in PHP. Prior to version 1.1.1, an unauthenticated attacker can perform a Denial of Service via JWE header tampering when PBES2 algorithms are used. Applications that call JWE::decrypt() on attacker-controlled JWEs using PBES2 algorithms are affected. This issue has been patched in version 1.1.1.

Affected products

kelvinmo — simplejwt

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.