Dashboard / CVE-2026-119552

CVE-2026-119552

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 63/100
Published: 2026-10-30 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Network No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: X
AT: Present
VC: Low
VI: Low
VA: None

Description

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
louislam uptime-kuma 0
louislam uptime-kuma 0

References & Advisories (4)

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

6.3 / 10.0 v4.0
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.23%
Raw Score 0.002340
Percentile 14.3%
Date 2026-11-02

EPSS Trend

2026-11-02
0.00234
2026-11-01
0.00234
2026-10-31
0.00234

Intelligence Sources

mitre ref →
nvd ref →

External Links