FKIE_CVE-2026-12701

Vulnerability from fkie_nvd - Published: 2026-07-20 15:16 - Updated: 2026-07-21 18:31
Severity
9.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H
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.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42078
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42079
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42082
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42132
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42142
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42150
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42151
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:42240
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2026-12701
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2490703
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
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            "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"
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              "version": "1783979593",
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          "cpes": [
            "cpe:/a:redhat:ansible_automation_platform:2"
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          "defaultStatus": "unaffected",
          "packageName": "python-pulpcore",
          "product": "Red Hat Ansible Automation Platform 2",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhui:4::el8"
          ],
          "defaultStatus": "affected",
          "packageName": "python-pulpcore",
          "product": "Red Hat Update Infrastructure 4 for Cloud Providers",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhui:5::el9"
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          "defaultStatus": "affected",
          "packageName": "python-pulpcore-client",
          "product": "Red Hat Update Infrastructure 5",
          "vendor": "Red Hat"
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2026-12701",
  "lastModified": "2026-07-21T18:31:51.680",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.0,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 6.0,
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-07-20T15:16:34.333",
  "references": [
    {
      "source": "secalert@redhat.com",
      "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"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}



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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

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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.