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CVE-2026-67527

7.6 · HIGH

OpenProject is open-source, web-based project management software.

Published Jul 30, 2026CWE-862EPSS 0.43%

Overview

CVE-2026-67527 is a high-severity vulnerability. It was published on July 30, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

OpenProject is open-source, web-based project management software. Prior to 17.6.0, PATCH /api/v3/work_packages/{id} accepted _links.fileLinks and allowed authenticated users with edit_work_packages but without manage_file_links to resolve Storages::FileLink records by raw id, detach or hard-delete existing FileLinks, and re-parent FileLinks from other projects to an attacker-controlled work package, exposing origin filename, origin id, and MIME type metadata. This issue is fixed in 17.6.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/opf/openproject/commit/db480bdeb8802e3d33e4448bb4e4b56a01de2e1fGitHubgithub.com/opf/openproject/pull/23815GitHubgithub.com/opf/openproject/releases/tag/v17.6.0GitHubgithub.com/opf/openproject/security/advisories/GHSA-c6rc-4288-8p4f

How CyberStrike helps

Frequently asked questions

What is CVE-2026-67527?

CVE-2026-67527 is a high-severity vulnerability. It was published on July 30, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

How severe is CVE-2026-67527?

This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-67527?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-67527?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-67527 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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