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CVE-2026-86255

wger before 2.5 Uncontrolled Resource Consumption via date_sequence

CVSS 4.0 7.1 HIGHCVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-86255

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86255

Published

wger

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "wger-project",
                    "product": "wger",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/wger",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "2.5"
                        },
                        {
                            "version": "2.5",
                            "status": "unaffected",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON