CVE-2026-77991

CRITICAL 9.4CVE-2026-77991 · Published 27/08/2026 · updated 28/08/2026

In short

CVE-2026-77991 is a CRITICAL (CVSS 9.4) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.64%, higher than 50.8% 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

Joomla Extension - joomlaeventmanager.net - Privileged remote code execution in Joomla Event Manager < 5.0.1 - The administrator source model allows to write dangerous file type incl. PHP, leading to remote code execution.

References

joomlaeventmanager.net

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