CVE-2026-12701 (GCVE-0-2026-12701)

Vulnerability from cvelistv5 – Published: 2026-07-20 14:18 – Updated: 2026-07-22 18:13
VLAI
Title
Pulpcore: pulpcore: relative_path_validator bypass via directory traversal in filesystemexport
Summary
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.
Severity
9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:42078 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42079 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42082 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42132 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42142 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42150 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42151 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:42240 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-12701 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2490703 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version
Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 8 Unaffected: 0:3.49.63-2.el8ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.5::el8
    cpe:/a:redhat:ansible_automation_platform:2.5::el9
    cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8
    cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9
    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8
    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9
 Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.5 for RHEL 9 Unaffected: 0:3.49.63-2.el9ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.5::el8
    cpe:/a:redhat:ansible_automation_platform:2.5::el9
    cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8
    cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9
    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8
    cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9
 Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.6 for RHEL 9 Unaffected: 0:3.49.63-2.el9ap , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.6::el10
    cpe:/a:redhat:ansible_automation_platform:2.6::el9
    cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10
    cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9
    cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9
 Create a notification for this product.
Red Hat Red Hat Satellite 6.16 for RHEL 8 Unaffected: 0:3.49.39-2.el8pc , < * (rpm)
    cpe:/a:redhat:satellite:6.16::el8
    cpe:/a:redhat:satellite:6.16::el9
    cpe:/a:redhat:satellite_capsule:6.16::el8
    cpe:/a:redhat:satellite_capsule:6.16::el9
    cpe:/a:redhat:satellite_utils:6.16::el8
    cpe:/a:redhat:satellite_utils:6.16::el9
 Create a notification for this product.
Red Hat Red Hat Satellite 6.16 for RHEL 9 Unaffected: 0:3.49.39-2.el9pc , < * (rpm)
    cpe:/a:redhat:satellite:6.16::el8
    cpe:/a:redhat:satellite:6.16::el9
    cpe:/a:redhat:satellite_capsule:6.16::el8
    cpe:/a:redhat:satellite_capsule:6.16::el9
    cpe:/a:redhat:satellite_utils:6.16::el8
    cpe:/a:redhat:satellite_utils:6.16::el9
 Create a notification for this product.
Red Hat Red Hat Satellite 6.17 for RHEL 9 Unaffected: 0:3.63.21-2.el9pc , < * (rpm)
    cpe:/a:redhat:satellite:6.17::el9
    cpe:/a:redhat:satellite_capsule:6.17::el9
    cpe:/a:redhat:satellite_utils:6.17::el9
 Create a notification for this product.
Red Hat Red Hat Satellite 6.18 for RHEL 9 Unaffected: 0:3.73.30-2.el9pc , < * (rpm)
    cpe:/a:redhat:satellite:6.18::el9
    cpe:/a:redhat:satellite_capsule:6.18::el9
    cpe:/a:redhat:satellite_utils:6.18::el9
 Create a notification for this product.
Red Hat Red Hat Satellite 6.19 for RHEL 9 Unaffected: 0:3.85.15-5.el9pc , < * (rpm)
    cpe:/a:redhat:satellite:6.19::el9
    cpe:/a:redhat:satellite_capsule:6.19::el9
    cpe:/a:redhat:satellite_utils:6.19::el9
 Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.6 Unaffected: 1783979593 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.6::el9
 Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.7 Unaffected: 1783919521 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.7::el9
 Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2     cpe:/a:redhat:ansible_automation_platform:2
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 4 for Cloud Providers     cpe:/a:redhat:rhui:4::el8
 Create a notification for this product.
Red Hat Red Hat Update Infrastructure 5     cpe:/a:redhat:rhui:5::el9
 Create a notification for this product.
Date Public
2026-07-20 13:00
Credits
Red Hat would like to thank Martin Brodeur (Independent security researcher) for reporting this issue.
Show details on NVD website
To clipboard 

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\"1783919521\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"ansible-automation-platform-27/hub-rhel9\", \"collectionURL\": \"https://catalog.redhat.com/software/containers/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:ansible_automation_platform:2\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Ansible Automation Platform 2\", \"packageName\": \"python-pulpcore\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:4::el8\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 4 for Cloud Providers\", \"packageName\": \"python-pulpcore\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhui:5::el9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Update Infrastructure 5\", \"packageName\": \"python-pulpcore-client\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-04-24T02:44:10.000Z\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2026-07-20T13:00:00.000Z\", \"value\": \"Made public.\"}], \"datePublic\": \"2026-07-20T13:00:00.000Z\", \"references\": [{\"url\": \"https://access.redhat.com/errata/RHSA-2026:42078\", \"name\": \"RHSA-2026:42078\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:42079\", \"name\": \"RHSA-2026:42079\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:42082\", \"name\": \"RHSA-2026:42082\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:42132\", \"name\": \"RHSA-2026:42132\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:42142\", \"name\": \"RHSA-2026:42142\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:42150\", \"name\": \"RHSA-2026:42150\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:42151\", \"name\": \"RHSA-2026:42151\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2026:42240\", \"name\": \"RHSA-2026:42240\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2026-12701\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2490703\", \"name\": \"RHBZ#2490703\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"There is no complete mitigation for this vulnerability. The following measures can reduce risk:\\n\\n1. If FilesystemExport was never configured on your deployment, you are not affected by this issue.\\n2. If FilesystemExporters exist in the database, audit them for path traversal sequences (\\\"../\\\"). Existing malicious entries must be cleaned up manually, as the validation functions documented to raise ValidationError do not actually do so in all code paths.\\n3. Restrict admin-level access to the Pulp API to only trusted operators. Review and audit which accounts have administrator privileges.\\n4. Ensure SELinux is in enforcing mode on Satellite/Pulp servers to limit the directories the Pulp service user can write to.\\n5. Monitor filesystem changes outside of expected Pulp directories for signs of exploitation.\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-22\", \"description\": \"Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-07-22T11:36:09.742Z\"}, \"x_redhatCweChain\": \"CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-12701\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-07-22T18:13:49.559Z\", \"dateReserved\": \"2026-06-19T09:53:04.810Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2026-07-20T14:18:18.318Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.