How severe is CVE-2025-67718?

CVE-2025-67718 has a CVSS 4.0 base score of 8.7, rated high severity.

Is CVE-2025-67718 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-67718?

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-2025-67718 have an EU (EUVD) identifier?

Yes. CVE-2025-67718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202594.

When was CVE-2025-67718 published?

CVE-2025-67718 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2025-67718

CVE-2025-67718 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. 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-178.

Key facts

Severity: High (CVSS 4.0 base score 8.7)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202594
Weakness: CWE-178
Published: 2025-12-11
Last modified: 2026-06-17

Description

Form.io is a combined Form and API platform for Serverless applications. Versions 3.5.6 and below and 4.0.0-rc.1 through 4.4.2 contain a flaw in path handling which could allow an attacker to access protected API endpoints by sending a crafted request path. An unauthenticated or unauthorized request could retrieve data from endpoints that should be protected. This issue is fixed in versions 3.5.7 and 4.4.3.

Frequently asked questions

What is CVE-2025-67718?: Form.io is a combined Form and API platform for Serverless applications. Versions 3.5.6 and below and 4.0.0-rc.1 through 4.4.2 contain a flaw in path handling which could allow an attacker to access protected API endpoints by sending a crafted request path. An unauthenticated or unauthorized request could retrieve data from endpoints that should be protected. This issue is fixed in versions 3.5.7 and 4.4.3.
How severe is CVE-2025-67718?: CVE-2025-67718 has a CVSS 4.0 base score of 8.7, rated high severity.
Is CVE-2025-67718 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-67718?: 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-2025-67718 have an EU (EUVD) identifier?: Yes. CVE-2025-67718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202594.
When was CVE-2025-67718 published?: CVE-2025-67718 was published on 2025-12-11 and last updated on 2026-06-17.

References

Other CWE-178 vulnerabilities

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CVE-2023-3545 — Critical (CVSS 9.8): Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache…
CVE-2022-29604 — Critical (CVSS 9.8): An issue was discovered in ONOS 2.5.1. An intent with an uppercase letter in a device ID shows the CORRUPT state, which…

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