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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 7
https://github.com/SigNoz/signoz
disclosure@vulncheck.com
https://github.com/SigNoz/signoz/blob/v0.141.0/pkg/query-service/app/http_handl…
disclosure@vulncheck.com
https://github.com/SigNoz/signoz/commit/f78bd492d8732f011bc96837cf9862db2df0783d
disclosure@vulncheck.com
https://github.com/SigNoz/signoz/pull/12817
disclosure@vulncheck.com
https://github.com/SigNoz/signoz/releases/tag/v0.141.1
disclosure@vulncheck.com
https://github.com/SigNoz/signoz/security/advisories/GHSA-v549-7j2x-qjm5
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/signoz-0.88.0-through-0.141.0-missing-auth…
disclosure@vulncheck.com