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.
https://github.com/SigNoz/signoz/security/advisories/GHSA-v549-7j2x-qjm5
https://github.com/SigNoz/signoz/releases/tag/v0.141.1
https://github.com/SigNoz/signoz/pull/12817
https://github.com/SigNoz/signoz/commit/f78bd492d8732f011bc96837cf9862db2df0783d
https://github.com/SigNoz/signoz/blob/v0.141.0/pkg/query-service/app/http_handler.go#L4073-L4086
Published: 2026-09-16
Updated: 2026-09-16
Base Score: 8.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:P
Severity: High
Base Score: 8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Severity: High
Base Score: 8.8
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
Severity: High
EPSS: 0.00541