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Critical

Path Traversal in Eclipse Vert

  • Disclosed: 10.02.2022
  • Updated: 11.10.2026 11:21

In Eclipse Vert.x 3.4.x up to 3.9.4, 4.0.0-milestone1, 4.0.0-milestone2, 4.0.0-milestone3, 4.0.0-milestone4, 4.0.0-milestone5, 4.0.0.Beta1, 4.0.0.Beta2, and 4.0.0.Beta3, StaticHandler doesn't correctly processes back slashes on Windows Operating systems, allowing, escape the webroot folder to the current working directory.

Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) io.vertx:vertx-web >= 3.0.0, < 3.9.4 3.9.4

References

CVSS score 9.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-22, CWE-23
Platform
Java / Kotlin (Maven)
Package
io.vertx:vertx-web
Disclosed
10.02.2022
Updated
11.10.2026 11:21

Sources and licenses

OSV / GitHub Advisory Database - GHSA-vjw7-6gfq-6wf5 - CC BY 4.0

Vulnerability history: io.vertx:vertx-web

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
7
First → latest
10.2018 10.2025
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • High 2
  • Medium 2
  • Low 1

Disclosures per year

  1. Vert.x-Web vulnerable to Stored Cross-site Scripting in directory listings via file names
    Low · 4.9 CVE-2025-11966 < 4.5.22, >= 5.0.0, < 5.0.5 4.5.22, 5.0.5
  2. Vert.x-Web Access Control Flaw in StaticHandler’s Hidden File Protection for Files Under Hidden Directories
    Medium CVE-2025-11965 < 4.5.22, >= 5.0.0, < 5.0.5 4.5.22, 5.0.5
  3. StaticHandler disclosure of classpath resources on Windows when mounted on a wildcard route
    Medium · 4.8 CVE-2023-24815 >= 4.0.0, < 4.3.8 4.3.8
  4. Path Traversal in Eclipse Vert this entry
    Critical · 9.8 CVE-2019-17640 >= 3.0.0, < 3.9.4 3.9.4
  5. Cross-Site Request Forgery in Vert.x-Web framework
    High · 8.8 CVE-2020-35217 >= 4.0.0-milestone1, < 4.0.0-milestone5, >= 4.0.0-milestone2, < 4.0.0-milestone5, >= 4.0.0-milestone3, < 4.0.0-milestone5, >= 4.0.0-milestone4, < 4.0.0-milestone5 4.0.0-milestone5
  6. Eclipse Vert.x does not properly neutralize '' (forward slashes) sequences that can resolve to an external location
    Critical · 9.8 CVE-2018-12542 >= 3.0.0, < 3.5.4 3.5.4
  7. High severity vulnerability that affects io.vertx:vertx-web
    High CVE-2018-12540 >= 3.0.0, < 3.5.3 3.5.3

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