50/100 CVSS 8.8 🔴 CVE ANALYSISPublished: June 5, 2026

DbGate: Remote Code Execution via functionName injection in loadReader endpoint

### Summary The `POST /runners/load-reader` endpoint in DbGate accepts a `functionName` parameter that is directly interpolated into a JavaScript code template without any sanitization or validation. An authenticated user (with basic access, no special permissions required) can inject arbitrary JavaScript code that executes on the server with full ...

8.8

CVSS Score

MEDIUM

Threat Level

Priority /100

TBD

Exploited ITW

Monitor

CISA Status

Sources

🔵

HIGH-PRIORITY SECURITY ADVISORY — Priority Score: 50/100

CVSS 8.8 MEDIUM. SENTINEL APEX recommends immediate patch evaluation. Intelligence from 1 confirmed source(s).

📋 Executive Summary

⚡ Analyst Assessment — SENTINEL APEX v4.0

CYBERDUDEBIVASH SENTINEL APEX has confirmed a MEDIUM-tier threat intelligence signal for CVE-2026-48017 affecting npm dbgate-api. Composite threat score: 50/100. Intelligence corroborated across 1 source(s): github_advisories. CVSS base score: 8.8. Exploitation probability assessed as HIGH based on vulnerability characteristics.

Intelligence sources: github_advisories

⚠️ Business Impact Analysis

⚠️ Remote code execution — full server takeover without authentication possible
⚠️ Privilege escalation — local attacker can become SYSTEM/root

🔗 Attack Chain Analysis

Step-by-step attack chain based on observed TTPs and vulnerability characteristics:

#	Phase	Attacker Action	MITRE
1	Reconnaissance	Attacker identifies exposed dbgate-api instances via Shodan, Censys, or targeted scanning	`TA0043`
2	Initial Access	Exploitation of CVE-2026-48017 in npm dbgate-api	`T1190`
3	Execution	Remote code execution achieved — attacker runs arbitrary commands on target system	`T1203`
4	Privilege Escalation	Local privilege escalation to SYSTEM/root for full control	`T1068`
5	Persistence	Backdoor, scheduled task, or new admin account created for persistent access	`T1053`
6	Command & Control	Attacker establishes persistent C2 channel using HTTPS or DNS tunneling	`T1071`
7	Impact / Objectives	Intellectual property theft, espionage, cryptomining, or preparation for future attack stage	`T1657`

⚠ Deep Dive Analysis

This high-severity vulnerability in npm dbgate-api (CVSS 8.8) represents a significant attack surface. SENTINEL APEX assesses exploitation to be technically feasible with moderate effort. Organizations running dbgate-api in internet-facing or privileged positions face immediate risk.

SENTINEL APEX URGENCY: HIGH. Score: 50/100 MEDIUM. Patch before exploitation activity begins.

🎯 MITRE ATT&CK Mapping

Category	Mapping
Primary Tactic	Execution
Primary Technique	T1203 — Exploitation for Client Execution
Sub-Technique	T1059 — Command & Scripting Interpreter
Weakness (CWE)	CWE-94
Intel Type	🔴 CVE ANALYSIS
Source(s)	github_advisories

🔴 CVE Reference

CVE ID	Reference	Score
CVE-2026-48017	NVD →	8.8
CVE-2026-48017	NVD →	8.8

🏷️ Indicators of Compromise — Enriched IOC Feed

Normalized IOCs with confidence scoring. Block immediately across all enforcement points. SOC Pro subscribers receive enriched IOC bundles with full attribution and STIX/TAXII feeds.

Indicator Value	Type	Confidence	First Seen
ea3a61077ab09775c39890c465f0b3e97f6c812e	sha1	90%	2026-06-05
https://github.com/dbgate/dbgate/blob/ea3a61077ab09775c39890c465f0b3e97f6c812e/p	url	82%	2026-06-05

🔍 Detection Rules — Sigma (SIEM)

Deploy to Splunk, Elastic, Microsoft Sentinel, or QRadar. SOC Pro subscribers receive pre-compiled SIEM-native query packs updated with each pipeline run.

Sigma YAMLtitle: CVE-2026-48017 Exploitation Attempt — npm dbgate-api
id: 51cc1022ec544617-278e
status: experimental
description: Detects exploitation of CVE-2026-48017 in npm dbgate-api. Priority: MEDIUM. Score: 50/100
author: CYBERDUDEBIVASH SENTINEL APEX v4.0 (bivash@cyberdudebivash.com)
date: 2026-06-05
references:
    - https://nvd.nist.gov/vuln/detail/CVE-2026-48017
    - https://blog.cyberdudebivash.in/
tags:
    - attack.initial_access
    - attack.t1190
    - cve-2026-48017
    - cve-2026-48017
logsource:
    category: webserver
detection:
    keywords:
        - 'CVE-2026-48017'
        - 'CVE-2026-48017'
        - 'cve-2026-48017'
    condition: keywords
falsepositives:
    - Security scanners
level: high

📡 Detection Rules — YARA (Endpoint)

Deploy to endpoint detection platforms. Enterprise subscribers receive tuned, FP-validated YARA rule packs.

YARArule CVE_2026_48017_Exploitation {
    meta:
        description = "Detects artifacts related to CVE-2026-48017 exploitation in npm dbgate-api"
        author      = "CYBERDUDEBIVASH SENTINEL APEX v4.0"
        date        = "2026-06-05"
        severity    = "HIGH"
        cvss        = "8.8"
        priority    = "50/100"
        threat_level = "MEDIUM"
        reference   = "https://nvd.nist.gov/vuln/detail/CVE-2026-48017"
    strings:
        $id_str  = "CVE-2026-48017" ascii nocase
        $product = "dbgate_api" ascii nocase wide
    condition:
        any of them
}

🛡️ SOC Response Playbook

1IMMEDIATE (0-1hr): Identify all instances of dbgate-api in your environment via CMDB/asset inventory
2IMMEDIATE: Block all 2 IOCs in this report at firewall, proxy, DNS, and EDR simultaneously
3IMMEDIATE (0-1hr): Apply vendor patch — no maintenance window exception for MEDIUM threats
4IMMEDIATE (1-2hr): If no patch available: implement WAF rules, ACLs, or network-level compensating controls
5SHORT-TERM (2-4hr): Deploy Sigma detection rule to SIEM — validate alert generation in test environment
6SHORT-TERM (4-8hr): Review logs for exploitation indicators (anomalous dbgate-api requests, error spikes)
7SHORT-TERM (8-24hr): Hunt for post-exploitation: new admin accounts, scheduled tasks, lateral movement
8MONITOR: Subscribe to npm security advisories for patch updates
9ONGOING: Track SENTINEL APEX intelligence feed for follow-on campaigns targeting dbgate-api

📎 Intelligence References

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Related Resources — SENTINEL APEX

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⚡ CYBERDUDEBIVASH SENTINEL APEX v4.0

Intelligence report generated by CYBERDUDEBIVASH SENTINEL APEX v4.0
Report ID: SENTINEL-CVE-2026-48017-2026-06-05 | Priority: 50/100 MEDIUM | Sources: 1
© 2026 CYBERDUDEBIVASH PRIVATE LIMITED
Republication requires written attribution to CYBERDUDEBIVASH SENTINEL APEX

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