{"id":"CVE-2026-86255","summary":"wger before 2.5 Uncontrolled Resource Consumption via date_sequence","details":"wger before 2.5 fails to validate the maximum duration of routine date ranges, allowing authenticated users to create routines spanning arbitrarily long periods. Attackers can trigger the date_sequence computation via routine detail endpoints, forcing the server to iterate thousands of times per request and exhaust worker threads, denying service to legitimate users.","aliases":["GHSA-v25j-wqcw-fvhj"],"modified":"2026-09-10T03:30:34.102812952Z","published":"2026-09-06T12:00:29.574Z","database_specific":{"cwe_ids":["CWE-400"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86255.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86255.json"},{"type":"ADVISORY","url":"https://github.com/wger-project/wger/security/advisories/GHSA-v25j-wqcw-fvhj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86255"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/wger-before-2.5-uncontrolled-resource-consumption-via-date-sequence"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wger-project/wger","events":[{"introduced":"0"},{"fixed":"c1fca6bdf77d8ed80048d1b73a8da80cf36ee751"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.5"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["2.4","2.3","2.0","1.9","1.8","1.7","1.5","1.4","1.3","1.2","1.1","1.0.3","1.0.2","1.0.1","1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-86255.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}