{
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    "adp": [
      {
        "metrics": [
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              "content": {
                "id": "CVE-2026-111618",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-23T18:37:59.101817Z",
                "version": "2.0.3"
              },
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          "dateUpdated": "2026-10-23T18:38:09.146Z",
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          {
            "tags": [
              "exploit"
            ],
            "url": "https://hackmd.io/@hieuPenguinnn/coai-chatnio-generation-article-download-path-traversal"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/coaidev/coai",
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          "repo": "https://github.com/coaidev/coai",
          "vendor": "coaidev",
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              "status": "affected",
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              "versionType": "custom"
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      "credits": [
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      ],
      "datePublic": "2026-10-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "CoAI (Chat Nio) through 4.0.0 contains an unauthenticated path traversal vulnerability in the generation and article archive download endpoints via the hash query parameter. Attackers can supply ../ sequences in hash to download any readable .tar.gz or .zip file, including other users\u0027 generated archives."
        }
      ],
      "metrics": [
        {
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            "attackRequirements": "NONE",
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            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
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            "vulnIntegrityImpact": "NONE"
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-16T17:38:55.985Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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          "tags": [
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          ],
          "url": "https://hackmd.io/@hieuPenguinnn/coai-chatnio-generation-article-download-path-traversal"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/coaidev/coai/blob/v4.0.0/addition/generation/api.go#L19-L29"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/coaidev/coai/blob/v4.0.0/addition/article/api.go#L25-L35"
        },
        {
          "name": "VulnCheck Advisory: CoAI through 4.0.0 Unauthenticated Path Traversal via Archive Download Endpoints",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/coai-through-4.0.0-unauthenticated-path-traversal-via-archive-download-endpoints"
        }
      ],
      "title": "CoAI through 4.0.0 Unauthenticated Path Traversal via Archive Download Endpoints",
      "x_generator": {
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  },
  "cveMetadata": {
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    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-111618",
    "datePublished": "2026-10-16T17:38:55.985Z",
    "dateReserved": "2026-10-16T14:31:10.468Z",
    "dateUpdated": "2026-10-23T18:38:09.146Z",
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}