Description

An authenticated user may write files outside the intended Artifactory work directory under specific conditions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "4.3",
  "pubDate": "2026-08-12T15:18:20.203Z",
  "pubdate": "2026-08-12T15:18:20.203Z",
  "executiveSummary": "An arbitrary file write vulnerability exists within Artifactory, specifically enabling an authenticated user to write files outside of the intended Artifactory work directory under specific conditions. This security flaw poses a significant risk to the integrity and confidentiality of the underlying host operating system.\nThe vulnerability allows an attacker with authenticated access to manipulate file path operations, leading to directory traversal or unauthorized out-of-bounds file creation. Depending on the privileges of the running Artifactory service, successful exploitation could lead to arbitrary file overwriting, code execution, or system compromise by placing malicious payloads into sensitive system directories.\nThe primary risk implication is the potential escalation of privilege or full system compromise stemming from a restricted authenticated context. Exploitation requires authentication to the Artifactory instance and specific preconditions governing the file write mechanism.\nMitigation requires applying vendor-supplied patches or updates as soon as they become available, restricting user privileges within the application, and monitoring file system activity for anomalous write operations originating from the Artifactory service account.",
  "technicalDetails": "The root cause of the vulnerability stems from insufficient validation and sanitization of user-supplied input or file paths handled by the Artifactory file writing functionality. When specific conditions are met, the application fails to properly restrict file system operations to the designated Artifactory work directory.\nExploitation of this vulnerability requires an attacker to possess valid authentication credentials within the Artifactory environment. Interaction with the vulnerable component occurs when the user initiates a file creation or file modification request containing crafted path traversal sequences or absolute paths.\nThe attack flow proceeds as follows: First, the authenticated attacker crafts a malicious request payload designed to target file paths outside the intended working directory boundaries. Second, the vulnerable component processes the input without adequate boundary checks, resolving the path relative to the root file system rather than the constrained workspace. Third, the application performs the write operation, successfully persisting the payload to the unauthorized file system location.\nThe vulnerable component is responsible for managing file operations within Artifactory. Because the process executes with the privileges of the service account, any file writable by that user account can potentially be modified or created. Post-exploitation impact heavily relies on the targeted file paths, which could include configuration files, binaries, or startup scripts, ultimately facilitating remote code execution or persistence on the host system."
}