CVE-2026-12701Critical· 9.0▾ MidnightA path traversal vulnerability was found in pulpcore. The relative_path_validator function only verifies that content paths do not begin with "/" but fails to block directory traversal sequences such as "../" anywhere in the path. An aut…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 49.5 · likelihood 0.2 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
1.2%
A path traversal vulnerability was found in pulpcore. The relative_path_validator function only verifies that content paths do not begin with "/" but fails to block directory traversal sequences such as "../" anywhere in the path. An authenticated administrator can craft a relative_path containing embedded traversal sequences (e.g., "looking/normal/../../../../etc/shadow") that escapes the intended export directory during FilesystemExport operations. Because the file content is also user-controlled (uploaded artifact), this allows arbitrary file write to any location writable by the Pulp service user, potentially leading to service compromise or further system exploitation.
python3.12-pulpcore (all versions)python3.12-pulpcore (all versions)python3.12-pulpcore (all versions)python-pulpcore (all versions)python-pulpcore (all versions)python-pulpcore (all versions)python-pulpcore (all versions)python-pulpcore (all versions)python-pulpcore (all versions)python3.12-pulpcore (all versions)python3.12-pulpcore (all versions)python3.12-pulpcore (all versions)python3.12-pulpcore (all versions)ansible-automation-platform-26/hub-rhel9 (all versions)ansible-automation-platform-27/hub-rhel9 (all versions)python-pulpcorepython-pulpcore (all versions)python-pulpcore-client (all versions)Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
There is no complete mitigation for this vulnerability. The following measures can reduce risk:
Connected by shared product, vendor, weakness, or advisory.
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