What’s Vulnerable › Vulnerabilities

CVE-2026-93292: SigNoz 0.88.0 before 0.142.1 - SQL Injection in Trace Funnel Analytics Query Builders

• Severity: high (CVSS 8.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-09-22
• Weakness: CWE-89

Description

SigNoz versions from 0.88.0 before 0.142.1 contain a SQL injection vulnerability in trace-funnel analytics endpoints that interpolate service_name and span_name fields into ClickHouse string literals without escaping. Authenticated attackers can inject SQL through funnel step definitions to execute arbitrary queries and read results in HTTP responses.

Affected products

• signoz: from 0.88.0 before 0.142.1 — fixed in 0.142.1

How to fix

Upgrade to a fixed version: signoz 0.142.1. Check the vendor advisory for mitigations.

References

• https://github.com/SigNoz/signoz
• https://github.com/SigNoz/signoz/blob/v0.142.0/pkg/modules/tracefunnel/clickhouse_queries.go#L498-L499
• https://github.com/SigNoz/signoz/blob/v0.142.0/pkg/query-service/app/http_handler.go#L4081-L4086
• https://github.com/SigNoz/signoz/commit/8286e787b296b291a26a14d20407a335fcfbac25
• https://github.com/SigNoz/signoz/commit/8e00c0405697659bd4994a5de446cf3028c0f76d
• https://github.com/SigNoz/signoz/releases/tag/v0.142.1
• https://github.com/SigNoz/signoz/security/advisories/GHSA-w5pf-xwjh-vr5v
• https://www.vulncheck.com/advisories/signoz-0.88.0-before-0.142.1-sql-injection-in-trace-funnel-analytics-query-builders
• https://github.com/SigNoz/signoz/security/advisories/GHSA-w5pf-xwjh-vr5v

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