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Vulnerabilities CVE-2026-71231

CVE-2026-71231

Critical
Open
TLP:CLEAR

IOTSmartHome - Unauthenticated SQL Injection via lastLogin Cookie

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Description

IOTSmartHome's gui/login.php checkCookie function builds an authentication query as SELECT * FROM users WHERE ID='<decoded lastLogin cookie>' after base64-decoding the client-supplied lastLogin cookie via safe_decode, which performs URL-safe base64 decoding with no sanitization of the decoded value before it is concatenated into the SQL string.

Details

CVSS Score
9.8
EPSS Score
0.36%

28.9th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
Aug 5, 2026
Last Modified
Aug 10, 2026
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