September 20, 2026

CVE Watchtower

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CVE-2026-93426NVD

Description

SigNoz versions 0.87.0 before 0.142.0 fail to escape user-supplied telemetry field-key names in the v5 query_range API, allowing authenticated users to inject SQL. Attackers with Viewer role or higher can embed backticks and quotes in field names to break out of identifiers and string literals, executing arbitrary ClickHouse SQL to read system tables and exfiltrate data.
Severity Level
HIGH (8.5)
Published Date
17/09/2026
Last Modified
18/09/2026
Exploitation Status
????
EPSS Score
0.37% (percentile 31.1%)

CVSS Base Metrics

CVSS v3 (3.1)
HIGH 8.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CVSS v4 (4.0)
HIGH 8.4
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N

Weaknesses (CWE)

CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected & Patched Versions

ProductAffected VersionsPatched Version
SigNoz signoz0.87.0 - < 0.142.00.142.0
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📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
⚙️Custom EPSS — Filter noise, focus on risk.
💬Webhooks — Slack & Teams integration.
🚫Ad-Free — Uninterrupted experience.

References