CVE-2026-121582: Umami Record API Endpoint route.ts authorization
Umami
Affected: Umami · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 32% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Umami3.4.0; 3.4.1
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Insecure Direct Object Reference
- Published
- November 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-121582 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CVE recordcve.org
- Weakness CWE-639cwe.mitre.org
- Technical descriptionvuldb.com
- vuldb.com/vuln/430425/ctivuldb.com
- Third-party advisoryvuldb.com
- Third-party advisoryvuldb.com
- github.com/waterhunter2000-svg/vulnerability-reportsgithub.com
- github.com/umami-software/umami/security/advisories/GHSA-4cww-5pgithub.com
- Exploitgithub.com