{"cve":"CVE-2025-3986","nvd":{"published":"2025-04-27T21:15:16.943","modified":"2026-06-17T09:21:03.857","status":"Analyzed","description":"A vulnerability was found in Apereo CAS 5.2.6. It has been declared as problematic. This vulnerability affects unknown code of the file cas-5.2.6\\core\\cas-server-core-configuration-metadata-repository\\src\\main\\java\\org\\apereo\\cas\\metadata\\rest\\CasConfigurationMetadataServerController.java. The manipulation of the argument Name leads to inefficient regular expression complexity. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":5.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400","CWE-1333"],"references":["https://vuldb.com/?ctiid.306322","https://vuldb.com/?id.306322","https://vuldb.com/?submit.557473","https://wx.mail.qq.com/s?k=rk-m8GwRMVMcOjBY1a"],"products":["apereo:central_authentication_service"],"source":"nvd","synced_at":"2026-10-19T22:01:11.054312287+00:00"},"epss":{"cve":"CVE-2025-3986","score":0.00652,"percentile":0.51233,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mvwq-hcrj-f5x9","url":"https://osv.dev/vulnerability/GHSA-mvwq-hcrj-f5x9","summary":"Apereo CAS has inefficient regular expression complexity","modified":"2025-04-28T21:27:14.957727Z","packages":[{"ecosystem":"Maven","name":"org.apereo.cas:cas-server-core-configuration-metadata-repository","purl":"pkg:maven/org.apereo.cas/cas-server-core-configuration-metadata-repository","ranges":["<=5.2.6"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}