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Vulnerability record · CVE-2026-92729 · published 16 September 2026

CVE-2026-92729: Missing authentication for critical function vulnerability

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.

8.8 CVSS 4.0 High EPSS 0.58% · top 54.3% CWE-306 · Missing authentication for critical functionCWE-862 · Missing authorization Deferred
8.8CVSS 4.0 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
8References
21 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-92729), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.