Q: What is the authoritative source for CVE-2026-77991?

CVE-2026-77991 (CVE-2026-77991) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

Question 1

What is CVE-2026-77991 — CVE-2026-77991?

Accepted Answer

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.

Question 2

What is the authoritative source for CVE-2026-77991?

Accepted Answer

CVE-2026-77991 (CVE-2026-77991) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

EPSS	0.64% probability of exploitation · percentile 49.0% · 2026-10-05T12:00:23Z
Last modified	2026-08-28

CVE-2026-77991CVE-2026-77991

Description

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