CVE-2026-93426

SigNoz 0.87.0 before 0.142.0 - SQL Injection in v5 Query Builder Field Key Names

Published Sep 17, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
SigNoz versions 0.87.0 before 0.142.0 fail to escape user-supplied telemetry field-key names in the v5 query_range API, allowing authenticated users to inject SQL. Attackers with Viewer role or higher can embed backticks and quotes in field names to break out of identifiers and string literals, executing arbitrary ClickHouse SQL to read system tables and exfiltrate data.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Signoz
Signoz signoz
Vendors & Products Signoz
Signoz signoz
Type Values Removed Values Added
Description SigNoz versions 0.87.0 before 0.142.0 fail to escape user-supplied telemetry field-key names in the v5 query_range API, allowing authenticated users to inject SQL. Attackers with Viewer role or higher can embed backticks and quotes in field names to break out of identifiers and string literals, executing arbitrary ClickHouse SQL to read system tables and exfiltrate data.
Title SigNoz 0.87.0 before 0.142.0 - SQL Injection in v5 Query Builder Field Key Names
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 18, 2026, 8:05 PM
Reserved
Sep 17, 2026, 9:00 PM
Status
Awaiting Analysis
Published
Sep 17, 2026, 10:17 PM
Modified
Sep 22, 2026, 8:25 PM