CVE-2026-12701

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.

CVSS v3 9.0 CRITICAL

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:42078
https://access.redhat.com/errata/RHSA-2026:42079
https://access.redhat.com/errata/RHSA-2026:42082
https://access.redhat.com/errata/RHSA-2026:42132
https://access.redhat.com/errata/RHSA-2026:42142
https://access.redhat.com/errata/RHSA-2026:42150
https://access.redhat.com/errata/RHSA-2026:42151
https://access.redhat.com/errata/RHSA-2026:42240
https://access.redhat.com/security/cve/CVE-2026-12701
https://bugzilla.redhat.com/show_bug.cgi?id=2490703

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-20 15:16

Updated : 2026-07-22 19:16

NVD link : CVE-2026-12701

Mitre link : CVE-2026-12701

CVE.ORG link : CVE-2026-12701

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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"references": [{"url": "https://access.redhat.com/errata/RHSA-2026:42078", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:42079", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:42082", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:42132", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:42142", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:42150", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:42151", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:42240", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-12701", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2490703", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-07-22T19:16:54.333", "sourceIdentifier": "secalert@redhat.com"}