Vulnerability Description
SigNoz before 0.133.0 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 organization ID. Attackers can read, edit, and delete alert rules belonging to other organizations by exploiting the missing tenant isolation check, bypassing multi-tenant access controls.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/SigNoz/signoz/issues/11830
- https://github.com/SigNoz/signoz/pull/12117
- https://github.com/SigNoz/signoz/releases/tag/v0.133.0
- https://www.vulncheck.com/advisories/signoz-cross-organization-insecure-direct-o
- https://github.com/SigNoz/signoz/issues/11830
FAQ
What is CVE-2026-57956?
CVE-2026-57956 is a vulnerability with a CVSS score of 6.4 (MEDIUM). SigNoz before 0.133.0 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...
How severe is CVE-2026-57956?
CVE-2026-57956 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-57956?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.