CVE-2026-93426
highSigNoz 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…
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/SigNoz/signoz disclosure@vulncheck.com
- https://github.com/SigNoz/signoz/blob/v0.141.1/pkg/apiserver/signozapiserver/querier.go#L2... disclosure@vulncheck.com
- https://github.com/SigNoz/signoz/blob/v0.141.1/pkg/querybuilder/fallback_expr.go#L16-L22 disclosure@vulncheck.com
- https://github.com/SigNoz/signoz/blob/v0.141.1/pkg/telemetrymetadata/field_mapper.go#L79-L... disclosure@vulncheck.com
- https://github.com/SigNoz/signoz/commit/8e00c0405697659bd4994a5de446cf3028c0f76d disclosure@vulncheck.com
- https://github.com/SigNoz/signoz/commit/9c886be12015c43a1465af3532b3c3afbec6bebc disclosure@vulncheck.com
- https://github.com/SigNoz/signoz/releases/tag/v0.142.0 disclosure@vulncheck.com
- https://github.com/SigNoz/signoz/security/advisories/GHSA-q3h7-gpc9-2rxc disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/signoz-0.87.0-before-0.142.0-sql-injection-in-v5-quer... disclosure@vulncheck.com
- https://github.com/SigNoz/signoz/security/advisories/GHSA-q3h7-gpc9-2rxc 134c704f-9b21-4f2e-91b3-4a467353bcc0