CVE-2026-52780

criticalCVSS 9.6covered by 1 sourcefirst seen 2026-06-26

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.

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Exploitation outlook

Low exploitation risk0.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-52780: OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1,…nvd · 2026-06-26

External references

NVD record for CVE-2026-52780

CVE.org record

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