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Worklenz before 3.0.0 Authorization Bypass on Task-Scoped Endpoints

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

cve-program · CVE-2026-85389

Published

Worklenz before 3.0.0 fails to verify task ownership by organization when resolving task-scoped API endpoints, allowing authenticated users to access another tenant's task data. Attackers can query task endpoints with arbitrary task UUIDs to retrieve work logs, comments, attachments, and project insights belonging to other organizations.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-85389

Published

worklenz

Vendor product

Publisher's version information

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

{
                    "vendor": "Worklenz",
                    "product": "worklenz",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "3.0.0",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.0.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }

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

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Sources read 13 Nov 16:22 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current