cvedb.io
CVE-2023-29019
HIGH · CVSS 8.1
EPSS exploitation probability: 0%
Published 2023-04-21T23:15:20.197 · Last modified 2026-06-17T05:49:12.160

Summary

@fastify/passport is a port of passport authentication library for the Fastify ecosystem. Applications using `@fastify/passport` in affected versions for user authentication, in combination with `@fastify/session` as the underlying session management mechanism, are vulnerable to session fixation attacks from network and same-site attackers. fastify applications rely on the `@fastify/passport` library for user authentication. The login and user validation are performed by the `authenticate` function. When executing this function, the `sessionId` is preserved between the pre-login and the authenticated session. Network and same-site attackers can hijack the victim's session by tossing a valid `sessionId` cookie in the victim's browser and waiting for the victim to log in on the website. As a

Affected products

fastify — passport

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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.