Vulnerability-Lookup

GHSA-C3MJ-X5CV-CPHR

Vulnerability from github – Published: 2026-07-10 06:31 – Updated: 2026-07-10 06:31

Details

A vulnerability was identified in zhayujie CowAgent up to 2.1.0. The affected element is the function _add_url/_add_package of the file agent/skills/service.py of the component Skill Installation Handler. The manipulation of the argument Name leads to path traversal. The attack may be initiated remotely. Upgrading to version 2.1.2 is sufficient to fix this issue. The identifier of the patch is e85290cddcbb5ffc9c235927f4c92e5b4c3ec264. It is advisable to upgrade the affected component.

Severity

5.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

5.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-15331"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-10T05:16:34Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability was identified in zhayujie CowAgent up to 2.1.0. The affected element is the function _add_url/_add_package of the file agent/skills/service.py of the component Skill Installation Handler. The manipulation of the argument Name leads to path traversal. The attack may be initiated remotely. Upgrading to version 2.1.2 is sufficient to fix this issue. The identifier of the patch is e85290cddcbb5ffc9c235927f4c92e5b4c3ec264. It is advisable to upgrade the affected component.",
  "id": "GHSA-c3mj-x5cv-cphr",
  "modified": "2026-07-10T06:31:21Z",
  "published": "2026-07-10T06:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15331"
    },
    {
      "type": "WEB",
      "url": "https://github.com/zhayujie/CowAgent/issues/2873"
    },
    {
      "type": "WEB",
      "url": "https://github.com/zhayujie/CowAgent/pull/2886"
    },
    {
      "type": "WEB",
      "url": "https://github.com/zhayujie/CowAgent/commit/e85290cddcbb5ffc9c235927f4c92e5b4c3ec264"
    },
    {
      "type": "WEB",
      "url": "https://github.com/zhayujie/CowAgent"
    },
    {
      "type": "WEB",
      "url": "https://github.com/zhayujie/CowAgent/releases/tag/2.1.2"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-15331"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/853104"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/377274"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/377274/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-15331 (GCVE-0-2026-15331)

Vulnerability from cvelistv5 – Published: 2026-07-10 04:15 – Updated: 2026-07-10 14:26 X_Open Source

Title

zhayujie CowAgent Skill Installation service.py _add_package path traversal

Summary

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

5.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C

5.4 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-10 14:26 UTC

CWE

CWE-22 - Path Traversal

Assigner

VulDB mitre root

References

9 references

URL	Tags
https://vuldb.com/vuln/377274	vdb-entrytechnical-description
https://vuldb.com/vuln/377274/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15331	third-party-advisory
https://vuldb.com/submit/853104	third-party-advisory
https://github.com/zhayujie/CowAgent/issues/2873	issue-tracking
https://github.com/zhayujie/CowAgent/pull/2886	issue-trackingpatch
https://github.com/zhayujie/CowAgent/commit/e8529…	patch
https://github.com/zhayujie/CowAgent/releases/tag/2.1.2	patch
https://github.com/zhayujie/CowAgent/	product

Impacted products

1 product

Vendor	Product	Version
zhayujie	CowAgent	Affected: 2.0 Affected: 2.1.0 Unaffected: 2.1.2 cpe:2.3:a:zhayujie:cowagent::::::::

Credits

Eric-x (VulDB User)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-15331",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-10T14:26:26.657365Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-10T14:26:46.944Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/zhayujie/CowAgent/issues/2873"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Skill Installation Handler"
          ],
          "product": "CowAgent",
          "vendor": "zhayujie",
          "versions": [
            {
              "status": "affected",
              "version": "2.0"
            },
            {
              "status": "affected",
              "version": "2.1.0"
            },
            {
              "status": "unaffected",
              "version": "2.1.2"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Eric-x (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in zhayujie CowAgent up to 2.1.0. The affected element is the function _add_url/_add_package of the file agent/skills/service.py of the component Skill Installation Handler. The manipulation of the argument Name leads to path traversal. The attack may be initiated remotely. Upgrading to version 2.1.2 is sufficient to fix this issue. The identifier of the patch is e85290cddcbb5ffc9c235927f4c92e5b4c3ec264. It is advisable to upgrade the affected component."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5.5,
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Path Traversal",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-10T04:15:10.104Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-377274 | zhayujie CowAgent Skill Installation service.py _add_package path traversal",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/377274"
        },
        {
          "name": "VDB-377274 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/377274/cti"
        },
        {
          "name": "CVE-2026-15331 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-15331"
        },
        {
          "name": "Submit #853104 | zhayujie CowAgent \u003c= 2.1.0 Improper Limitation of a Pathname to a Restricted Directory (CWE-22)",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/853104"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/zhayujie/CowAgent/issues/2873"
        },
        {
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/zhayujie/CowAgent/pull/2886"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/zhayujie/CowAgent/commit/e85290cddcbb5ffc9c235927f4c92e5b4c3ec264"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/zhayujie/CowAgent/releases/tag/2.1.2"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/zhayujie/CowAgent/"
        }
      ],
      "tags": [
        "x_open-source"
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          "lang": "en",
          "time": "2026-07-09T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-07-09T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-07-09T20:43:34.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "zhayujie CowAgent Skill Installation service.py _add_package path traversal"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-15331",
    "datePublished": "2026-07-10T04:15:10.104Z",
    "dateReserved": "2026-07-09T18:37:47.214Z",
    "dateUpdated": "2026-07-10T14:26:46.944Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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GHSA-C3MJ-X5CV-CPHR

CVE-2026-15331 (GCVE-0-2026-15331)

Tags

Sightings

Nomenclature

Related by attack behaviour