All vulnerabilities

Servers and applications

CVE-2023-27903

Jenkins 2.393 and earlier, LTS 2.375.3 and earlier creates a temporary file in the default temporary directory with the default permissions for newly created files when uploading a file parameter through the CLI, potentially allowing attackers with access to the Jenkins controller file system to read and write the file before it is used.

Severity
Medium 4.4
Published
10 Mar 2023
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.375.4, 2.394
Sources
NVD

Affected software

SoftwareAffected versions
JenkinsServers and applications · cpe:a:jenkins:jenkins
  • Every version before 2.375.4
  • Every version before 2.394

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-27903
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-27903