{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.4.7"
              },
              {
                "fixed": "0.4.7"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d649523637f0f059c936418488165d4a689da27c"
            }
          ],
          "repo": "https://github.com/colanode/colanode",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-22"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110766.json"
  },
  "details": "Colanode server through 0.4.7 contains a path traversal vulnerability that allows authenticated users to read arbitrary .jpeg files by supplying an encoded traversal sequence in avatarId. Attackers can send percent-encoded ../ sequences to GET /client/v1/avatars/:avatarId to escape the avatars directory and read .jpeg files belonging to other workspaces.",
  "id": "CVE-2026-110766",
  "modified": "2026-10-16T02:30:50.797385465Z",
  "published": "2026-10-14T18:47:43.182Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110766.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110766"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/colanode-server-through-0.4.7-path-traversal-via-avatar-download-route"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/colanode/colanode"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/colanode/colanode/blob/d649523637f0f059c936418488165d4a689da27c/apps/server/src/api/client/routes/avatars/avatar-download.ts#L23"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/colanode/colanode/blob/d649523637f0f059c936418488165d4a689da27c/apps/server/src/lib/storage/fs.ts#L38"
    },
    {
      "type": "EVIDENCE",
      "url": "https://hackmd.io/@hieuPenguinnn/colanode-avatar-download-path-traversal"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Colanode Server through 0.4.7 Path Traversal via Avatar Download Route"
}