What is CVE-2026-22600?

CVE-2026-22600 is a critical-severity vulnerability in Openproject, classified under Information Disclosure. CVSS score: 9.1/10. Published 2026-01-10.

How severe is CVE-2026-22600?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Information disclosure in Openproject

CVE-2026-22600

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 fi…

Vulnerability class: Information Disclosure

EPSS: 0.003 (20.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L.

Affected products

Openproject
Opf Openproject — versions < 16.6.4

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

security-advisories@github.com (x_refsource_CONFIRM, Patch)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-22600?: CVE-2026-22600 is a critical-severity vulnerability in Openproject, classified under Information Disclosure. CVSS score: 9.1/10. Published 2026-01-10.
How severe is CVE-2026-22600?: Critical severity. CVSS v3 base score is 9.1 out of 10.