{"id":"CVE-2026-61645","aliases":["EUVD-2026-113395","GHSA-jcxj-j5qf-8crw"],"status":"published","title":"Docat has Arbitrary File Upload exists in Upload API","description":"Docat is a tool for hosting versioned static documentation. In the affected implementation, an arbitrary file upload vulnerability in the `Upload API` arises because the API does not validate the `uploaded file path or type`. An attacker can overwrite sensitive configuration files or place malicious files on the Docat web server. Depending on deployment context, uploaded content can enable remote code execution or cross-site scripting intended to steal cookies or redirect users to malicious websites. Version 1.6.0 mitigates filename-based path traversal; remediation of unrestricted file types or deployment-dependent malicious-content effects is not established by the verified patch.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0041,"percentile":0.35569,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2026-10-29T21:17:37Z","modified":"2026-11-01T02:30:26Z","products":[{"vendor":"docat-org","product":"docat"}],"references":[{"url":"https://github.com/docat-org/docat/security/advisories/GHSA-jcxj-j5qf-8crw","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/docat-org/docat/commit/85fc40e8348c6328f488395d03c779517a0913fd","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/docat-org/docat/releases/tag/1.6.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61645.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61645","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-61645","title":"Docat has Arbitrary File Upload exists in Upload API","description":"Docat is a tool for hosting versioned static documentation. In the affected implementation, an arbitrary file upload vulnerability in the `Upload API` arises because the API does not validate the `uploaded file path or type`. An attacker can overwrite sensitive configuration files or place malicious files on the Docat web server. Depending on deployment context, uploaded content can enable remote code execution or cross-site scripting intended to steal cookies or redirect users to malicious websites. Version 1.6.0 mitigates filename-based path traversal; remediation of unrestricted file types or deployment-dependent malicious-content effects is not established by the verified patch.","status":"published","published":"2026-10-29T21:17:37.532Z","modified":"2026-10-30T15:59:29.551Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:19:53.115938Z"}],"euvd":[{"id":"EUVD-2026-113395","description":"Docat is a tool for hosting versioned static documentation. In the affected implementation, an arbitrary file upload vulnerability in the `Upload API` arises because the API does not validate the `uploaded file path or type`. An attacker can overwrite sensitive configuration files or place malicious files on the Docat web server. Depending on deployment context, uploaded content can enable remote code execution or cross-site scripting intended to steal cookies or redirect users to malicious websites. Version 1.6.0 mitigates filename-based path traversal; remediation of unrestricted file types or deployment-dependent malicious-content effects is not established by the verified patch.","status":"published","published":"2026-10-29T21:17:37Z","modified":"2026-10-30T15:59:29Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L","level":"critical"}],"updated_at":"2026-11-02T16:59:05.913237Z"}],"nvd":[{"id":"CVE-2026-61645","description":"Docat is a tool for hosting versioned static documentation. In the affected implementation, an arbitrary file upload vulnerability in the `Upload API` arises because the API does not validate the `uploaded file path or type`. An attacker can overwrite sensitive configuration files or place malicious files on the Docat web server. Depending on deployment context, uploaded content can enable remote code execution or cross-site scripting intended to steal cookies or redirect users to malicious websites. Version 1.6.0 mitigates filename-based path traversal; remediation of unrestricted file types or deployment-dependent malicious-content effects is not established by the verified patch.","status":"published","published":"2026-10-29T22:17:04.963Z","modified":"2026-10-30T19:39:14.897Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L","level":"critical","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:13:04.940026Z"}],"osv":[{"id":"CVE-2026-61645","title":"Docat has Arbitrary File Upload exists in Upload API","description":"Docat is a tool for hosting versioned static documentation. In the affected implementation, an arbitrary file upload vulnerability in the `Upload API` arises because the API does not validate the `uploaded file path or type`. An attacker can overwrite sensitive configuration files or place malicious files on the Docat web server. Depending on deployment context, uploaded content can enable remote code execution or cross-site scripting intended to steal cookies or redirect users to malicious websites. Version 1.6.0 mitigates filename-based path traversal; remediation of unrestricted file types or deployment-dependent malicious-content effects is not established by the verified patch.","status":"published","published":"2026-10-29T21:17:37.532Z","modified":"2026-11-01T02:30:26.615261134Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L","level":"critical"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:45:12.933503Z"}]}}