CVE-2026-41140 (GCVE-0-2026-41140)

Vulnerability from cvelistv5 – Published: 2026-04-24 17:10 – Updated: 2026-07-15 00:59
VLAI
Title
Poetry: Path traversal in tar extraction on Python 3.10.0 - 3.10.12 and 3.11.0 - 3.11.4
Summary
Poetry is a dependency manager for Python. Prior to 2.3.4, the extractall() function in src/poetry/utils/helpers.py:410-426 extracts sdist tarballs without path traversal protection on Python versions where tarfile.data_filter is unavailable. Considering only Python versions which are still supported by Poetry, these are 3.10.0 - 3.10.12 and 3.11.0 - 3.11.4. This vulnerability is fixed in 2.3.4.
Severity
0.6 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
8.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 18:02 UTC
CWE
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
Impacted products
Vendor Product Version CPE status
python-poetry poetry Affected: < 2.3.4
guessed Create a notification for this product.
Red Hat Red Hat Ansible Automation Platform 2.6 Unaffected: 1779761061 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.6::el9
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Red Hat Red Hat Ansible Automation Platform 2.6 Unaffected: 1780102732 , < * (rpm)
    cpe:/a:redhat:ansible_automation_platform:2.6::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 OpenShift AI (RHOAI)     cpe:/a:redhat:openshift_ai
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Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
Create a notification for this product.
Red Hat Red Hat Satellite 6     cpe:/a:redhat:satellite:6
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          },
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            "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41140.json"
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                "value": "CWE-22"
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            "source": "security-advisories@github.com",
            "type": "Secondary"
          },
          {
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                "value": "CWE-22"
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            ],
            "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
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    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-09-24T14:27:16+00:00",
      "cve": "CVE-2026-41140",
      "id": "CVE-2026-41140",
      "initial_release_date": "2026-04-24T17:10:33.869000+00:00",
      "product_status:fixed": "8",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "113",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "poetry: Poetry: Path traversal vulnerability allows arbitrary file write via malicious package extraction",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41140.json",
      "version": "3"
    },
    "suse_vex": {
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      "current_release_date": "2026-08-06T01:22:40Z",
      "cve": "CVE-2026-41140",
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      "product_status:known_not_affected": "46",
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      "status": "interim",
      "title": "SUSE CVE CVE-2026-41140",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-41140.json",
      "version": "4"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-41140",
                    "options": [
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                        "Exploitation": "none"
                      },
                      {
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                      },
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                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-04-24T18:02:54.197900Z",
                    "version": "2.0.3"
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              "shortName": "CISA-ADP"
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            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "attackComplexity": "LOW",
                "attackRequirements": "PRESENT",
                "attackVector": "NETWORK",
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                "privilegesRequired": "NONE",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
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                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U",
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                "vulnConfidentialityImpact": "NONE",
                "vulnIntegrityImpact": "LOW"
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              "name": "https://github.com/python-poetry/poetry/security/advisories/GHSA-73h3-mf4w-8647",
              "tags": [
                "x_refsource_CONFIRM"
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            "discovery": "UNKNOWN"
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          "title": "Poetry: Path traversal in tar extraction on Python 3.10.0 - 3.10.12 and 3.11.0 - 3.11.4"
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        "cveId": "CVE-2026-41140",
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        "dateReserved": "2026-04-17T12:59:15.738Z",
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      },
      "dataType": "CVE_RECORD",
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    }
  }
}



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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.