How severe is CVE-2025-11965?

CVE-2025-11965 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-11965 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-11965?

CVE-2025-11965 affects Eclipse Vert.x. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-11965?

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-2025-11965 have an EU (EUVD) identifier?

Yes. CVE-2025-11965 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35593.

When was CVE-2025-11965 published?

CVE-2025-11965 was published on 2025-10-22 and last updated on 2026-06-17.

CVE-2025-11965

CVE-2025-11965 is a high-severity vulnerability in Eclipse Vert.x 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-552.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.3
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35593
Weakness: CWE-552
Affected product: Eclipse Vert.x
Published: 2025-10-22
Last modified: 2026-06-17

Description

In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], a StaticHandler configuration for restricting access to hidden files fails to restrict access to hidden directories, allowing unauthorized users to retrieve files within them (e.g. '.git/config').

Frequently asked questions

What is CVE-2025-11965?: In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], a StaticHandler configuration for restricting access to hidden files fails to restrict access to hidden directories, allowing unauthorized users to retrieve files within them (e.g. '.git/config').
How severe is CVE-2025-11965?: CVE-2025-11965 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-11965 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-11965?: CVE-2025-11965 affects Eclipse Vert.x. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-11965?: 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-2025-11965 have an EU (EUVD) identifier?: Yes. CVE-2025-11965 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35593.
When was CVE-2025-11965 published?: CVE-2025-11965 was published on 2025-10-22 and last updated on 2026-06-17.

References

https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/304

Affected products (1)

cpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:*

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