CVE intelligence and bounded remediation

CVE-2023-46655 — Jenkins Cloudbees Cd security vulnerability

Medium CVSS 6.5

Jenkins CloudBees CD Plugin 1.1.32 and earlier follows symbolic links to locations outside of the directory from which artifacts are published during the 'CloudBees CD - Publish Artifact' post-build step, allowing attackers able to configure jobs to publish arbitrary files from the Jenkins controller file system to the previously configured CloudBees CD server.

Severity
Medium
CVSS
6.5 (3.1)
Published
2023-10-25
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-59

Affected products

  • jenkins / cloudbees_cd

Matched remediation archetype

Path traversal, unsafe upload, and file handling

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Check exposure

  • Trace untrusted filenames, archive entries, URLs, and path segments into read, write, include, extraction, and upload operations.
  • Identify filesystem roots, mount permissions, symbolic-link behavior, archive handling, and whether uploaded content is web-accessible or executable.
  • Review canonicalization and containment checks across supported operating systems and storage backends.

Remediate safely

  • Generate server-side storage identifiers and resolve paths beneath a fixed root using filesystem-aware containment checks.
  • Reject absolute, parent-relative, alternate-separator, device, link, and archive entries that escape the intended root.
  • Store uploads outside executable or served paths, validate type and size, and use private atomic temporary files.

Authoritative sources

Complete CVE record and remediation plan

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