{"id":"CVE-2025-52892","aliases":["EUVD-2025-23565","GHSA-26x2-6wch-j8pf"],"status":"published","title":"EspoCRM is vulnerable to access denial through double slash in URI corrupting router cache","description":"EspoCRM is a web application with a frontend designed as a single-page application and a REST API backend written in PHP. In versions 9.1.6 and below, if a user loads Espo in the browser with double slashes (e.g https://domain//#Admin) and the webserver does not strip the double slash, it can cause a corrupted Slim router's cache. This will make the instance unusable until there is a completed rebuild. This is fixed in version 9.1.7.","severity":{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00283,"percentile":0.21094,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-444"],"published":"2025-08-05T00:17:16Z","modified":"2026-10-28T02:31:02Z","products":[{"vendor":"espocrm","product":"espocrm"}],"references":[{"url":"https://github.com/espocrm/espocrm/security/advisories/GHSA-26x2-6wch-j8pf","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://github.com/espocrm/espocrm/commit/929611f317ce8892ea75873b0ab3094c0c510ff3","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/52xxx/CVE-2025-52892.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52892","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-52892","title":"EspoCRM is vulnerable to access denial through double slash in URI corrupting router cache","description":"EspoCRM is a web application with a frontend designed as a single-page application and a REST API backend written in PHP. In versions 9.1.6 and below, if a user loads Espo in the browser with double slashes (e.g https://domain//#Admin) and the webserver does not strip the double slash, it can cause a corrupted Slim router's cache. This will make the instance unusable until there is a completed rebuild. This is fixed in version 9.1.7.","status":"published","published":"2025-08-05T00:17:16.047Z","modified":"2025-08-05T13:48:45.234Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:32:31.309974Z"}],"euvd":[{"id":"EUVD-2025-23565","description":"EspoCRM is a web application with a frontend designed as a single-page application and a REST API backend written in PHP. In versions 9.1.6 and below, if a user loads Espo in the browser with double slashes (e.g https://domain//#Admin) and the webserver does not strip the double slash, it can cause a corrupted Slim router's cache. This will make the instance unusable until there is a completed rebuild. This is fixed in version 9.1.7.","status":"published","published":"2025-08-05T00:17:16Z","modified":"2025-08-05T13:48:45Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:32:01.599514Z"}],"nvd":[{"id":"CVE-2025-52892","description":"EspoCRM is a web application with a frontend designed as a single-page application and a REST API backend written in PHP. In versions 9.1.6 and below, if a user loads Espo in the browser with double slashes (e.g https://domain//#Admin) and the webserver does not strip the double slash, it can cause a corrupted Slim router's cache. This will make the instance unusable until there is a completed rebuild. This is fixed in version 9.1.7.","status":"published","published":"2025-08-05T01:15:39.827Z","modified":"2026-06-17T09:37:13.623Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:11:22.319351Z"}],"osv":[{"id":"CVE-2025-52892","title":"EspoCRM is vulnerable to access denial through double slash in URI corrupting router cache","description":"EspoCRM is a web application with a frontend designed as a single-page application and a REST API backend written in PHP. In versions 9.1.6 and below, if a user loads Espo in the browser with double slashes (e.g https://domain//#Admin) and the webserver does not strip the double slash, it can cause a corrupted Slim router's cache. This will make the instance unusable until there is a completed rebuild. This is fixed in version 9.1.7.","status":"published","published":"2025-08-05T00:17:16.047Z","modified":"2026-10-28T02:31:02.074910011Z","cvss":[{"version":"3.1","score":4.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T15:44:50.45326Z"}]}}