What is CVE-2026-27933?

CVE-2026-27933 is a medium-severity vulnerability in Manyfold, classified under Insufficient Session Expiration. CVSS score: 6.8/10. Published 2026-02-26.

How severe is CVE-2026-27933?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Manyfold

CVE-2026-27933

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 0.1…

EPSS: 0.003 (17.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Manyfold
Manyfold3d Manyfold — versions < 0.133.0

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-27933?: CVE-2026-27933 is a medium-severity vulnerability in Manyfold, classified under Insufficient Session Expiration. CVSS score: 6.8/10. Published 2026-02-26.
How severe is CVE-2026-27933?: Medium severity. CVSS v3 base score is 6.8 out of 10.