CVE tracker
CVE-2026-119552
CVE-2026-119552Medium 6.3
Research and translation in progress – available shortly.
Original description (NVD)
Uptime Kuma through 2.5.8 contains a race condition in the Socket.IO first-run setup handler that allows unauthenticated attackers to create an additional administrator account. Attackers can send concurrent setup requests during the bcrypt hashing window to bypass the empty user table check, then modify monitors, API keys, and enable disableAuth.
NVD references (4)
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Data: NVD (NIST), CISA KEV, FIRST EPSS – updated continuously.