CVE-2026-65980Public exploitNetwork attack vector

SQL injection via unescaped ClickHouse variable backslashes

Published Sep 21, 2026 · Updated Sep 21, 2026

SQL injection in Chartbrew 5.2.1 and earlier allows remote attackers to execute arbitrary ClickHouse SQL through chart variables. The ClickHouse protocol passes user-controlled values to applySqlVariables without enabling backslash escaping, so a backslash before a quote defeats quote doubling and exits the string literal. Public ClickHouse-backed dashboards with variable binding require no authentication; injected queries can disclose database data or, when permitted, read files and reach internal services.

CVSS severityUnavailable
Unscored
EPSS probability0.46%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in Chartbrew 5.2.1 and earlier allows remote attackers to execute arbitrary ClickHouse SQL through chart variables. The ClickHouse protocol passes user-controlled values to applySqlVariables without enabling backslash escaping, so a backslash before a quote defeats quote doubling and exits the string literal. Public ClickHouse-backed dashboards with variable binding require no authentication; injected queries can disclose database data or, when permitted, read files and reach internal services.

The record

CVE
CVE-2026-65980
Published
Sep 21, 2026
Updated
Sep 21, 2026
Vendor
Chartbrew
Product
Chartbrew
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 5.2.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Chartbrew · Chartbrewversion=< 5.2.2

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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