Is CVE-2026-108866 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-108866?

CVE-2026-108866 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-108866

Description

JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows authenticated users to read any account's permissions via the queryUserAuths handler. Low-privileged attackers can supply an arbitrary userId parameter to retrieve another user's complete permission set and identify administrator accounts.