CVE-2024-38513

Fiber is an Express-inspired web framework written in Go A vulnerability present in versions prior to 2.52.5 is a session middleware issue in GoFiber versions 2 and above. This vulnerability allows users to supply their own session_id value, resulting in the creation of a session with that key. If a website relies on the mere presence of a session for security purposes, this can lead to significant security risks, including unauthorized access and session fixation attacks. All users utilizing GoFiber's session middleware in the affected versions are impacted. The issue has been addressed in version 2.52.5. Users are strongly encouraged to upgrade to version 2.52.5 or higher to mitigate this vulnerability. Users who are unable to upgrade immediately can apply the following workarounds to reduce the risk: Either implement additional validation to ensure session IDs are not supplied by the user and are securely generated by the server, or regularly rotate session IDs and enforce strict session expiration policies.

• CWE-384

• https://github.com/gofiber/fiber/commit/66a881441b27322a331f1b526cf1eb6b3358a4d8Patch
• https://github.com/gofiber/fiber/security/advisories/GHSA-98j2-3j3p-fw2vVendor Advisory
• https://github.com/gofiber/fiber/commit/66a881441b27322a331f1b526cf1eb6b3358a4d8Patch
• https://github.com/gofiber/fiber/security/advisories/GHSA-98j2-3j3p-fw2vVendor Advisory

Published

Jul 1, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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