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Chartbrew CVE-2026-25888

HIGH
Code Injection (CWE-94)
2026-03-06 security-advisories@github.com
8.8
CVSS 3.1 · GitHub Advisory
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate to Chartbrew API
  2. Exploit
    Send malicious payload to vulnerable endpoint
  3. Execution
    Trigger code execution
  4. Impact
    Execute arbitrary commands on server

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Code injection prevention, sandbox exec
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Chartbrew versions prior to 4.8.1 with authenticated API access. Attacker requires valid user credentials to access the vulnerable API endpoint. Default Chartbrew installations with no additional authentication hardening are affected.

Impact

CVSS 8.8 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via remote/network. Public exploit/POC available.

Exploit ScenarioDerived

A remote attacker could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Remote code execution in Chartbrew prior to version 4.8.1 allows authenticated attackers to execute arbitrary code through a vulnerable API endpoint. Public exploit code exists for this vulnerability, and no patch is currently available. Attackers with valid credentials can achieve full system compromise including data exfiltration and integrity violations.

Earlier versions of this analysis (1)
v1 Mar 12, 2026 - 22:06 CVSS 8.8

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to version 4.8.1, there is a remote code execution vulnerability via a vulnerable API. [CVSS 8.8 HIGH]

RemediationAI

Fixed in version 4.8.1.. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-94 (Code Injection). Affects Chartbrew. Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to version 4.8.1, there is a remote code execution vulnerability via a vulnerable API. This issue has been patched in version 4.8.1.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
PoC Detected
Mar 10, 2026 - 14:05 vuln.today
Public exploit code
CVE Published
Mar 06, 2026 - 05:16 nvd
HIGH 8.8

DescriptionGitHub Advisory

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to version 4.8.1, there is a remote code execution vulnerability via a vulnerable API. This issue has been patched in version 4.8.1.

Executive ViewAI

Why It Matters

Chartbrew deployments are vulnerable to remote code execution attacks through an unpatched API flaw, allowing attackers to execute arbitrary commands on affected systems. Organizations using Chartbrew for data visualization and analytics face immediate risk of system compromise, data exfiltration, and operational disruption until a patch becomes available.

Business Impact: High
Compensating Controls

Restrict Chartbrew API access via network firewall to trusted IP addresses only; disable public internet exposure using WAF or reverse proxy rules; implement strict input validation and rate limiting on API endpoints; segregate Chartbrew instances on isolated network segments with limited lateral movement; enforce principle of least privilege for service accounts running Chartbrew; enable real-time endpoint detection and response (EDR) monitoring on host systems; consider disabling direct database connectivity features if not essential to operations.

Threat Intelligence Overview

EPSS Score
0.3%
Top 45% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)GitHub Advisory

cpe:2.3:a:depomo:chartbrew:*:*:*:*:*:*:*:*

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