Auth bypass in Signoz
CVE-2026-92729
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (47.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/SigNoz/signoz/security/advisories/GHSA-v549-7j2x-qjm5 (vendor-advisory)
- github.com/SigNoz/signoz/pull/12817 (issue-tracking, patch)
- github.com/SigNoz/signoz/commit/f78bd492d8732f011bc96837cf9862db2df0783d (patch)
- github.com/SigNoz/signoz/releases/tag/v0.141.1 (release-notes)
- github.com/SigNoz/signoz/blob/v0.141.0/pkg/query-service/app/http_handler.go (technical-description)
- github.com/SigNoz/signoz (product)
- www.vulncheck.com/advisories/signoz-0.88.0-through-0.141.0-missing-authenticati… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92729?
- CVE-2026-92729 is a high-severity vulnerability in Signoz, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2026-09-16.
- How severe is CVE-2026-92729?
- High severity. CVSS v3 base score is 8.2 out of 10.