PT-2026-133490

CVE-2026-119552

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Published

2026-10-30

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Updated

2026-10-30

Description by

CVSS 3.1
4.8
Medium
MetricsAV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
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.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Related identifiers
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