CVE-2026-86255

high

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.

References

https://www.vulncheck.com/advisories/wger-before-2.5-uncontrolled-resource-consumption-via-date-sequence

https://github.com/wger-project/wger/security/advisories/GHSA-v25j-wqcw-fvhj

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-72111

Details

Source: Mitre, NVD

Published: 2026-09-06

Updated: 2026-09-18

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

CVSS v4

Base Score: 7.1

Vector: 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

Severity: High

EPSS

EPSS: 0.00436