{"id":"CVE-2025-52892","state":"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.","publishedAt":"2025-08-05T00:17:16.047Z","updatedAt":"2025-08-05T13:48:45.234Z","severity":{"score":4.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["espocrm espocrm"],"affected":[{"vendor":"espocrm","product":"espocrm","versions":[{"version":"< 9.1.7","status":"affected"}]}],"references":["https://github.com/espocrm/espocrm/security/advisories/GHSA-26x2-6wch-j8pf","https://github.com/espocrm/espocrm/commit/929611f317ce8892ea75873b0ab3094c0c510ff3"],"weaknesses":["CWE-444"],"ingestedAt":"2026-10-29T20:09:31.862Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/52xxx/CVE-2025-52892.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-52892","state":"PUBLISHED","datePublished":"2025-08-05T00:17:16.047Z","dateUpdated":"2025-08-05T13:48:45.234Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-06-20T17:42:25.709Z"},"containers":{"cna":{"title":"EspoCRM is vulnerable to access denial through double slash in URI corrupting router cache","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"espocrm","product":"espocrm","versions":[{"version":"< 9.1.7","status":"affected"}]}],"references":[{"url":"https://github.com/espocrm/espocrm/security/advisories/GHSA-26x2-6wch-j8pf","name":"https://github.com/espocrm/espocrm/security/advisories/GHSA-26x2-6wch-j8pf","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/espocrm/espocrm/commit/929611f317ce8892ea75873b0ab3094c0c510ff3","name":"https://github.com/espocrm/espocrm/commit/929611f317ce8892ea75873b0ab3094c0c510ff3","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":4.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-444","lang":"en","description":"CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-08-05T00:17:16.047Z"},"source":{"advisory":"GHSA-26x2-6wch-j8pf","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-05T13:48:39.107728Z","id":"CVE-2025-52892","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-08-05T13:48:45.234Z"}}]}}}