How severe is CVE-2026-27933?

CVE-2026-27933 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-27933 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27933?

CVE-2026-27933 affects Manyfold. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27933?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27933 have an EU (EUVD) identifier?

Yes. CVE-2026-27933 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8776.

When was CVE-2026-27933 published?

CVE-2026-27933 was published on 2026-02-26 and last updated on 2026-06-17.

CVE-2026-27933

CVE-2026-27933 is a medium-severity vulnerability in Manyfold with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-613.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8776
Weakness: CWE-613
Affected product: Manyfold
Published: 2026-02-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 0.133.0 fixes the issue.
How severe is CVE-2026-27933?: CVE-2026-27933 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-27933 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27933?: CVE-2026-27933 affects Manyfold. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27933?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27933 have an EU (EUVD) identifier?: Yes. CVE-2026-27933 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8776.
When was CVE-2026-27933 published?: CVE-2026-27933 was published on 2026-02-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:manyfold:manyfold:*:*:*:*:*:*:*:*

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