CVE-2025-11965: Vert.x-Web Access Control Flaw in StaticHandler’s Hidden File Protection for Files Under Hidden Directories

CVE-2025-11965 · Severity: high · CVSS 7.5 · Published 2025-10-22

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').

Technologies: io.vertx:vertx-web (Maven). Vendors: Maven.

Quick answers

Is CVE-2025-11965 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-11965 being exploited in the wild.
How severe is CVE-2025-11965?
High severity, with a CVSS score of 7.5, published 22 October 2025.
Which products and versions are affected?
io.vertx:vertx-web (Maven) ECOSYSTEM:introduced=0,fixed=4.5.22.
Is there a fix for CVE-2025-11965?
Yes. io.vertx:vertx-web (Maven): upgrade to 4.5.22 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-11965?
Check whether you run io.vertx:vertx-web (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • io.vertx:vertx-web (Maven): upgrade to 4.5.22 or later
    # set io.vertx:vertx-web to 4.5.22 in your pom.xml or build.gradle

Affected products

  • io.vertx:vertx-web (Maven) ECOSYSTEM:introduced=0,fixed=4.5.22

Identifiers

  • CVE-2025-11965
  • GHSA-h5fg-jpgr-rv9c

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