SigNoz 0.87.0 before 0.142.0 - SQL Injection in v5 Query Builder Field Key Names
Summary
| CVE | CVE-2026-93426 |
|---|---|
| State | PUBLISHED |
| Assigner | VulnCheck |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-17 22:17:04 UTC |
| Updated | 2026-09-17 22:17:04 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 8.4 HIGH from [email protected]
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/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:X/V:X/RE:X/U:X
Problem Types: CWE-89 | CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 8.4 | HIGH | 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/E:X/C... |
| 4.0 | CNA | CVSS | 8.4 | HIGH | 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 |
| 3.1 | [email protected] | Primary | 8.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |
| 3.1 | CNA | CVSS | 8.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
LowUser Interaction
NoneConfidentiality
HighIntegrity
LowAvailability
NoneSub Conf.
HighSub Integrity
LowSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/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:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
ChangedConfidentiality
HighIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/SigNoz/signoz/security/advisories/GHSA-q3h7-gpc9-2rxc | [email protected] | github.com | |
| github.com/SigNoz/signoz/blob/v0.141.1/pkg/apiserver/signozapiserver/que... | [email protected] | github.com | |
| github.com/SigNoz/signoz/commit/9c886be12015c43a1465af3532b3c3afbec6bebc | [email protected] | github.com | |
| github.com/SigNoz/signoz/blob/v0.141.1/pkg/querybuilder/fallback_expr.go | [email protected] | github.com | |
| github.com/SigNoz/signoz/blob/v0.141.1/pkg/telemetrymetadata/field_mappe... | [email protected] | github.com | |
| github.com/SigNoz/signoz/commit/8e00c0405697659bd4994a5de446cf3028c0f76d | [email protected] | github.com | |
| github.com/SigNoz/signoz/releases/tag/v0.142.0 | [email protected] | github.com | |
| www.vulncheck.com/advisories/signoz-0.87.0-before-0.142.0-sql-injection-in-v5-q... | [email protected] | www.vulncheck.com | |
| github.com/SigNoz/signoz | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: alexwaira (en)
CNA: tonghuaroot (en)
CNA: dodge1218 (en)
CNA: 456789TZ (en)
There are currently no legacy QID mappings associated with this CVE.