CVE-2026-52780

CRITICAL 9.6CVE-2026-52780 · Published 26/06/2026 · updated 25/10/2026

In short

CVE-2026-52780 is a CRITICAL (CVSS 9.6) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.39%, higher than 33.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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.

References

opf/openproject security advisory

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