๐Ÿ” CVE Alert

CVE-2026-52780

CRITICAL 9.6

OpenProject: Cache store poisoning leads to Remote Code Execution (RCE)

CVSS Score
9.6
EPSS Score
0.0%
EPSS Percentile
0th

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, cache store poisoning leads to Remote Code Execution (RCE). This vulnerability is fixed in 17.3.3 and 17.4.1.

CWE CWE-20
Vendor opf
Product openproject
Published Jun 26, 2026
Stay Ahead of the Next One

Get instant alerts for opf openproject

Be the first to know when new critical vulnerabilities affecting opf openproject are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

opf / openproject
< 17.3.3 >= 17.4.0, < 17.4.1

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/opf/openproject/security/advisories/GHSA-qj96-f42f-6336