VulnerabilityDeferred

CVE-2026-52780

Prior to 17.3.3 and 17.4.1, cache store poisoning leads to Remote Code Execution (RCE).

CRITICAL 9.6EPSS 0.39%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1: 9.6 CRITICALCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.39% probability · 33th percentile
CISA KEV: Not listed
Weakness: CWE-20
Source: security-advisories@github.com

References

https://github.com/opf/openproject/security/advisories/GHSA-qj96-f42f-6336

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.