Vulnerability · Published Feb 25, 2026 · Assigned by GitHub_M
CVE-2026-27933Manyfold vulnerable to session hijack via cookie leakage in proxy caches
Medium 6.8
In plain English
A medium-severity security flaw in manyfold from manyfold3d. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.3%top 75.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| manyfold3d | manyfold | < 0.133.0 |
Weakness: CWE-613 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
References
- https://github.com/manyfold3d/manyfold/security/advisories/GHSA-g949-hmvj-2r76 x_refsource_CONFIRM
- https://github.com/manyfold3d/manyfold/releases/tag/v0.133.0 x_refsource_MISC