Medium 6.8Published Feb 25, 2026

CVE-2026-27933Manyfold vulnerable to session hijack via cookie leakage in proxy caches

Updated under an hour ago (Oct 27, 2026, 12:00 PM ET)

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It affects manyfold3d manyfold and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for manyfold3d manyfold

Exploited in the last 30 days

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.

CVSS: 6.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-613
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

manyfold3d manyfold manyfold3d:manyfold (from the name)	before 0.133.0	CNA record
manyfold manyfold manyfold:manyfold	before 0.133.0	NVD

References

References

https://github.com/manyfold3d/manyfold/security/advisories/GHSA-g949-hmvj-2r76	x-refsource-confirm, exploit, vendor-advisory
https://github.com/manyfold3d/manyfold/releases/tag/v0.133.0	x-refsource-misc, product, release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.