What is CVE-2026-57956?

CVE-2026-57956 is a medium-severity vulnerability in Signoz, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.4/10. Published 2026-06-29.

How severe is CVE-2026-57956?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Auth bypass in Signoz

CVE-2026-57956

SigNoz through 0.130.1 contains a broken access control vulnerability that allows authenticated users to access other organizations' alert rules by supplying a target rule UUID, as the alert rule store predicates fail to filter by organiza…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L.

Affected products

Signoz — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-57956?: CVE-2026-57956 is a medium-severity vulnerability in Signoz, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.4/10. Published 2026-06-29.
How severe is CVE-2026-57956?: Medium severity. CVSS v3 base score is 6.4 out of 10.