Openproject
CVE-2026-22600
CRITICAL
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Lifecycle Timeline
3DescriptionGitHub Advisory
OpenProject is an open-source, web-based project management software. A Local File Read (LFR) vulnerability exists in the work package PDF export functionality of OpenProject prior to version 16.6.4. By uploading a specially crafted SVG file (disguised as a PNG) as a work package attachment, an attacker can exploit the backend image processing engine (ImageMagick). When the work package is exported to PDF, the backend attempts to resize the image, triggering the ImageMagick text: coder. This allows an attacker to read arbitrary local files that the application user has permissions to access (e.g., /etc/passwd, all project configuration files, private project data, etc.). The attack requires permissions to upload attachments to a container that can be exported to PDF, such as a work package. The issue has been patched in version 16.6.4. Those who are unable to upgrade may apply the patch manually.
AnalysisAI
OpenProject (before 16.6.4) has a local file read vulnerability through SVG-based ImageMagick exploitation in the PDF export feature. Authenticated users can read server files by uploading malicious SVGs disguised as PNGs. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Authenticated user account required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 9.1 (Critical). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker uploads an SVG containing <image href='file:///etc/passwd'/> disguised as attachment.png. When any user exports the work package to PDF, the server's /etc/passwd is embedded in the output. … |
| Remediation | Update to OpenProject 5.8.21 or 4.16.17. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all affected systems running the work package PDF export functionality of OpenProject and apply vendor patches immediately. …
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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
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