CVE-2026-86255

MEDIUM 6.5

wger before 2.5 Uncontrolled Resource Consumption via date_sequence

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-400
Vendor	wger-project
Product	wger
Published	Sep 6, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

wger-project / wger

0 < 2.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/wger-project/wger/security/advisories/GHSA-v25j-wqcw-fvhj vulncheck.com: https://www.vulncheck.com/advisories/wger-before-2.5-uncontrolled-resource-consumption-via-date-sequence

Credits

🔍 KadirArslan