{"id":"CVE-2026-86255","title":"wger before 2.5 fails to validate the maximum duration of routine date ranges, allowing authenticated users to create routines spanning arbitrarily long periods","summary":"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 endp…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400"],"vendor":"wger","product":"wger","affected":["wger <= 2.5"],"published":"2026-09-06","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:17:18.790","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86255","references":[{"url":"https://github.com/wger-project/wger/security/advisories/GHSA-v25j-wqcw-fvhj","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/wger-before-2.5-uncontrolled-resource-consumption-via-date-sequence","label":"disclosure@vulncheck.com"},{"url":"https://github.com/wger-project/wger/commit/5f07a4473e2c32d298c8cdd31d78e5107840039c"},{"url":"https://github.com/wger-project/wger"}],"tags":["nvd","osv","pip","cve.org"],"epss":0.00249,"epssPercentile":0.16488,"aliases":["GHSA-v25j-wqcw-fvhj"],"ecosystem":"pip","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-18T17:08:01.047911Z"},"ingestedAt":"2026-09-07T04:04:50.717Z","slug":"CVE-2026-86255","body":"## Overview\n\nwger 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-86255)\n\nAffected packages:\n\n- `wger <= 2.5`\n\nSource: https://osv.dev/vulnerability/GHSA-v25j-wqcw-fvhj","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}