by Kastro
Paper/Archive/CVE-2026-52780

CVE-2026-52780

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

EPSS 0.4%CVSS 9.6
critical.is priorityof 100
35
CVSS 9.6 (CNA)9.6 / 10 × 3028.8Not in CISA KEV+300.0EPSS percentile 33.2.332 × 206.6No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
openproject< 17.3.3–CNA
openproject>= 17.4.0, < 17.4.1–CNA

Scores by source

GitHub_M (CNA)9.6CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refgithub.com/opf/openproject/security/advisories/GHSA-qj96-f42f-6336