Is CVE-2026-86255 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-86255?

CVE-2026-86255 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-86255

Description

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.