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EUVD-2026-30452

2026-10-04T08:32:07.851048+00:00

EUVD-2026-30452

fkie_cve-2021-39171

2026-10-04T08:32:07.851079+00:00

Passport-SAML is a SAML 2.0 authentication provider for Passport, the Node.js authentication library. Prior to version 3.1.0, a malicious SAML payload can require transforms that consume significant system resources to process, thereby resulting in reduced or denied service. This would be an effective way to perform a denial-of-service attack. This has been resolved in version 3.1.0. The resolution is to limit the number of allowable transforms to 2.

GHSA-5379-r78w-42h2 — Unlimited transforms allowed for signed nodes

2026-10-04T08:32:07.851111+00:00

Affected: npm: passport-saml

### Impact A malicious SAML payload can require transforms that consume significant system resources to process, thereby resulting in reduced or denied service. This would be an effective way to perform a denial-of-service attack.

### Patches This has been resolved in version 3.1.0. The resolution is to limit the number of allowable transforms to 2.

### References https://github.com/node-saml/passport-saml/pull/595

gsd-2021-39171

2026-10-04T08:32:07.851137+00:00

gsd-2021-39171