Medium 4.3Published Jan 9, 2026

CVE-2026-22605OpenProject is Vulnerable to Insecure Direct Object Reference in Meetings

Updated under an hour ago (Oct 27, 2026, 3:00 PM ET)

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It affects opf openproject and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for opf openproject

Exploited in the last 30 days

OpenProject is an open-source, web-based project management software. OpenProject versions prior to version 16.6.3, allowed users with the View Meetings permission on any project, to access meeting details of meetings that belonged to projects, the user does not have access to. This issue has been patched in version 16.6.3.

CVSS: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Jan 12, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

opf openproject opf:openproject (from the name)	before 16.6.3	CNA record
openproject openproject openproject:openproject	before 16.6.3	NVD

References

References

https://github.com/opf/openproject/security/advisories/GHSA-fq4m-pxvm-8x2j	x-refsource-confirm, patch, vendor-advisory
https://github.com/opf/openproject/releases/tag/v16.6.3	x-refsource-misc, release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.