What’s Vulnerable › Vulnerabilities

CVE-2026-24777: OpenProject has Improper Access Control on User Management allows user managers to lock admin accounts

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-09 · updated 2026-06-17
• Weakness: CWE-862

Description

OpenProject is an open-source, web-based project management software. Prior to 17.0.2, users with the Manage Users permission can lock and unlock users. This functionality should only be possible for users of the application, but they were not supposed to be able to lock application administrators. Due to a missing permission check this logic was not enforced. The problem was fixed in OpenProject 17.0.2The problem was fixed in OpenProject 17.0.2.

Affected products

• opf openproject: before 17.0.2 — fixed in 17.0.2

How to fix

Upgrade to a fixed version: opf openproject 17.0.2. Check the vendor advisory for mitigations.

References

• https://github.com/opf/openproject/releases/tag/v17.0.2
• https://github.com/opf/openproject/security/advisories/GHSA-fq66-cwg6-qq69

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