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

Vulnerability from cvelistv5 – Published: 2026-07-20 14:18 – Updated: 2026-07-22 11:36
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.
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
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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
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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
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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
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Red Hat Red Hat Ansible Automation Platform 2.6 Unaffected: 1783979593 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.6::el9
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Red Hat Red Hat Ansible Automation Platform 2.7 Unaffected: 1783919521 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.7::el9
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Red Hat Red Hat Ansible Automation Platform 2     cpe:/a:redhat:ansible_automation_platform:2
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Red Hat Red Hat Update Infrastructure 4 for Cloud Providers     cpe:/a:redhat:rhui:4::el8
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Red Hat Red Hat Update Infrastructure 5     cpe:/a:redhat:rhui:5::el9
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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

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            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2490703"
        }
      ],
      "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."
        }
      ],
      "title": "Pulpcore: pulpcore: relative_path_validator bypass via directory traversal in filesystemexport",
      "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"
      },
      "x_redhatCweChain": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2026-12701",
    "datePublished": "2026-07-20T14:18:18.318Z",
    "dateReserved": "2026-06-19T09:53:04.810Z",
    "dateUpdated": "2026-07-22T11:36:09.742Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-12701",
      "date": "2026-07-22",
      "epss": "0.00759",
      "percentile": "0.51383"
    },
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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-07-22T11:36:06+00:00",
      "cve": "CVE-2026-12701",
      "id": "CVE-2026-12701",
      "initial_release_date": "2026-07-20T13:00:00+00:00",
      "product_status:fixed": "32",
      "product_status:known_affected": "2",
      "product_status:known_not_affected": "590",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "pulpcore: pulpcore: relative_path_validator bypass via directory traversal in FilesystemExport",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12701.json",
      "version": "3"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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