Vulnerability · Published Oct 22, 2025 · Assigned by eclipse

CVE-2025-11965

Medium 6.3

In plain English

A medium-severity security flaw in Vert.x from Eclipse Foundation. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)6.3Medium
Exploit odds (30 days)0.5%top 56.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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').

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenio.vertx:vertx-web4.5.22GHSA-h5fg-jpgr-rv9c
Mavenio.vertx:vertx-web5.0.5GHSA-h5fg-jpgr-rv9c

Affected products (as reported)

VendorProductVersions
Eclipse Foundation Vert.x 4.0.0 – before 4.5.225.0.0 – before 5.0.5

Weakness: CWE-552 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References