{"id":"CVE-2026-37504","aliases":["EUVD-2026-26668","GHSA-w5vg-8gx8-5cjf"],"status":"published","title":"Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers...","description":"Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers/Server/UniProxyController.php, the server authentication token is accepted via GET parameter transmission. The token appears in URLs such as /api/v1/server/UniProxy/user?token=SECRET, causing it to be recorded in web server access logs, browser history, HTTP Referer headers, and proxy/CDN logs. An attacker who gains access to any log source can extract the token and impersonate a proxy server node, potentially intercepting all user traffic.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:R","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00286,"percentile":0.21311,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-598"],"published":"2026-05-01T00:00:00Z","modified":"2026-10-28T02:31:08Z","products":[{"vendor":"v2board","product":"v2board"}],"references":[{"url":"https://github.com/v2board/v2board","tags":["Product","package"]},{"url":"https://gist.github.com/sgInnora/1330e1a82caa79906eec55eeff2c99b9","tags":["Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-37504","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w5vg-8gx8-5cjf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/37xxx/CVE-2026-37504.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-37504","description":"Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers/Server/UniProxyController.php, the server authentication token is accepted via GET parameter transmission. The token appears in URLs such as /api/v1/server/UniProxy/user?token=SECRET, causing it to be recorded in web server access logs, browser history, HTTP Referer headers, and proxy/CDN logs. An attacker who gains access to any log source can extract the token and impersonate a proxy server node, potentially intercepting all user traffic.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-05-01T19:46:01.535Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:R","level":"medium","assessor":"cna"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T13:39:16.730222Z"}],"euvd":[{"id":"EUVD-2026-26668","description":"Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers/Server/UniProxyController.php, the server authentication token is accepted via GET parameter transmission. The token appears in URLs such as /api/v1/server/UniProxy/user?token=SECRET, causing it to be recorded in web server access logs, browser history, HTTP Referer headers, and proxy/CDN logs. An attacker who gains access to any log source can extract the token and impersonate a proxy server node, potentially intercepting all user traffic.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-05-01T19:46:01Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:R","level":"medium"}],"updated_at":"2026-11-02T19:05:18.340967Z"}],"ghsa":[{"id":"GHSA-w5vg-8gx8-5cjf","title":"Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers...","description":"Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers/Server/UniProxyController.php, the server authentication token is accepted via GET parameter transmission. The token appears in URLs such as /api/v1/server/UniProxy/user?token=SECRET, causing it to be recorded in web server access logs, browser history, HTTP Referer headers, and proxy/CDN logs. An attacker who gains access to any log source can extract the token and impersonate a proxy server node, potentially intercepting all user traffic.","status":"published","published":"2026-05-01T18:31:24Z","modified":"2026-05-01T21:32:22Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T15:07:52.84276Z"}],"nvd":[{"id":"CVE-2026-37504","description":"Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers/Server/UniProxyController.php, the server authentication token is accepted via GET parameter transmission. The token appears in URLs such as /api/v1/server/UniProxy/user?token=SECRET, causing it to be recorded in web server access logs, browser history, HTTP Referer headers, and proxy/CDN logs. An attacker who gains access to any log source can extract the token and impersonate a proxy server node, potentially intercepting all user traffic.","status":"published","published":"2026-05-01T16:16:30.633Z","modified":"2026-06-17T10:41:33.377Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T14:12:17.022502Z"}],"osv":[{"id":"CVE-2026-37504","description":"Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers/Server/UniProxyController.php, the server authentication token is accepted via GET parameter transmission. The token appears in URLs such as /api/v1/server/UniProxy/user?token=SECRET, causing it to be recorded in web server access logs, browser history, HTTP Referer headers, and proxy/CDN logs. An attacker who gains access to any log source can extract the token and impersonate a proxy server node, potentially intercepting all user traffic.","status":"published","published":"2026-05-01T00:00:00Z","modified":"2026-10-28T02:31:08.735641371Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:H/I:N/PR:N/S:U/UI:R","level":"medium"}],"updated_at":"2026-11-02T15:45:03.040464Z"}]}}