How severe is CVE-2026-27635?

CVE-2026-27635 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-27635 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27635?

CVE-2026-27635 affects Manyfold. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27635?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-27635 have an EU (EUVD) identifier?

Yes. CVE-2026-27635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8766.

When was CVE-2026-27635 published?

CVE-2026-27635 was published on 2026-02-26 and last updated on 2026-06-17.

CVE-2026-27635

CVE-2026-27635 is a high-severity vulnerability in Manyfold with a CVSS 3.x base score of 7.5. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8766
Weakness: CWE-78
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. Prior to version 0.133.0, when model render generation is enabled, a logged-in user can achieve RCE by uploading a ZIP containing a file with a shell metacharacter in its name. The filename reaches a Ruby backtick call unsanitized. Version 0.133.0 fixes the issue.

Frequently asked questions

What is CVE-2026-27635?: Manyfold is an open source, self-hosted web application for managing a collection of 3d models, particularly focused on 3d printing. Prior to version 0.133.0, when model render generation is enabled, a logged-in user can achieve RCE by uploading a ZIP containing a file with a shell metacharacter in its name. The filename reaches a Ruby backtick call unsanitized. Version 0.133.0 fixes the issue.
How severe is CVE-2026-27635?: CVE-2026-27635 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-27635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27635?: CVE-2026-27635 affects Manyfold. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27635?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-27635 have an EU (EUVD) identifier?: Yes. CVE-2026-27635 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8766.
When was CVE-2026-27635 published?: CVE-2026-27635 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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