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THREAT OPS › Threat News › [NVD] CVE-2026-86255 (MEDIUM 6.5) — 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 thousa

[NVD] CVE-2026-86255 (MEDIUM 6.5) — 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 thousa

mednvdPublished 2026-09-06

CVE-2026-86255 CVSS: 6.5 MEDIUM Published: 2026-09-06T12:17:16.433

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,

Indicators of compromise

CVE-2026-86255cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-86255