CVE-2026-27933 Manyfold vulnerable to session hijack via cookie leakage in proxy caches
Attackers can hijack user sessions by exploiting cookie leakage in proxy caches, requiring specific proxy configurations to be vulnerable.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-27933?
CVE-2026-27933 is a medium-severity vulnerability in manyfold3d manyfold, published on 25 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Manyfold is an open source, self-hosted web application for managing a collection of 3d models, particularly focused on 3d printing. Versions prior to 0.133.0 are vulnerable to session hijack via cookie leakage in proxy caches. Version 0.133.0 fixes the issue.
Weakness: CWE-613
Which versions are affected by CVE-2026-27933?
It affects 1 product.
Products include Manyfold Manyfold.
How do I fix CVE-2026-27933?
No fix has been published for CVE-2026-27933 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-27933 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-27933 exists.
Other vulnerabilities in manyfold3d manyfold
Sources
Also known as GHSA-g949-hmvj-2r76.