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Vulnerability · Published Nov 3, 2026 · Assigned by VulDB

CVE-2026-121582Umami Record API Endpoint route.ts authorization

Medium 6.5

In plain English

A medium-severity authorization bypass via user-controlled key in Umami. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 67.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in Umami up to 3.4.1. Impacted is an unknown function of the file src/app/api/record/route.ts of the component Record API Endpoint. Such manipulation of the argument Website leads to authorization bypass. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

VendorProductVersions
n/a Umami 3.4.03.4.1

Weakness: CWE-639, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C

References