EUVD-2026-17349
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:H/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
Lifecycle Timeline
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Description
SQL inyection (SQLi) vulnerability in Umami Software web application through an improperly sanitized parameter, which could allow an authenticated attacker to execute arbitrary SQL commands in the database.Specifically, they could manipulate the value of the 'timezone' request parameter by including malicious characters and SQL payload. The application would interpolate these values directly into the SQL query without first performing proper filtering or sanitization (e.g., using functions such as 'prisma.rawQuery', 'prisma.$queryRawUnsafe' or raw queries with 'ClickHouse'). The successful explotation of this vulnerability could allow an authenticated attacker to compromiso the data of the database and execute dangerous functions.
Analysis
SQL injection in Umami Software's web analytics application allows authenticated attackers with low privileges to execute arbitrary SQL commands via unsanitized timezone parameter. The vulnerability affects raw query implementations (prisma.rawQuery, $queryRawUnsafe, ClickHouse raw queries) with CVSS 9.3 severity. …
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Remediation
Within 24 hours: Inventory all Umami deployments and document current versions and user account scope. Within 7 days: Apply vendor-released patch to all Umami instances; if immediate patching is impossible, restrict timezone parameter input via WAF rules and audit authentication logs for low-privileged account creation or unusual database queries. …
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