43/100 CVSS 7.1 🔴 CVE ANALYSISPublished: July 2, 2026

Mautic has SQL Injection in API Contact Filtering

### Summary An SQL injection vulnerability exists in Mautic's API contact filtering mechanism. Due to insufficient recursive sanitization of nested query parameters, an authenticated API user can bypass input filtering and inject arbitrary SQL commands. ### Impact An authenticated user with API access can exploit this vulnerability to execute arbit...

7.1

CVSS Score

LOW

Threat Level

Priority /100

TBD

Exploited ITW

Monitor

CISA Status

Sources

🔵

HIGH-PRIORITY SECURITY ADVISORY — Priority Score: 43/100

CVSS 7.1 LOW. 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 LOW-tier threat intelligence signal for CVE-2026-4776 affecting composer mautic/core. Composite threat score: 43/100. Intelligence corroborated across 1 source(s): github_advisories. CVSS base score: 7.1. Exploitation probability assessed as HIGH based on vulnerability characteristics.

Intelligence sources: github_advisories

⚠️ Business Impact Analysis

⚠️ composer mautic/core users face material security risk requiring immediate remediation

🔗 Attack Chain Analysis

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

#	Phase	Attacker Action	MITRE
1	Reconnaissance	Attacker identifies exposed mautic/core instances via Shodan, Censys, or targeted scanning	`TA0043`
2	Initial Access	Exploitation of CVE-2026-4776 in composer mautic/core	`T1190`
3	Persistence	Backdoor, scheduled task, or new admin account created for persistent access	`T1053`
4	Command & Control	Attacker establishes persistent C2 channel using HTTPS or DNS tunneling	`T1071`
5	Impact / Objectives	Intellectual property theft, espionage, cryptomining, or preparation for future attack stage	`T1657`

⚠ Deep Dive Analysis

This high-severity vulnerability in composer mautic/core (CVSS 7.1) represents a significant attack surface. SENTINEL APEX assesses exploitation to be technically feasible with moderate effort. Organizations running mautic/core in internet-facing or privileged positions face immediate risk.

SENTINEL APEX URGENCY: ELEVATED. Score: 43/100 LOW. Patch before exploitation activity begins.

🎯 MITRE ATT&CK Mapping

Category	Mapping
Primary Tactic	Initial Access
Primary Technique	T1190 — Exploit Public-Facing Application
Sub-Technique	T1555 — Credentials from Password Stores
Weakness (CWE)	CWE-89
Intel Type	🔴 CVE ANALYSIS
Source(s)	github_advisories

🔴 CVE Reference

CVE ID	Reference	Score
CVE-2026-4776	NVD →	7.1
CVE-2026-4776	NVD →	7.1

🏷️ 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
https://mautic.org/extended-long-term-suppo	url	82%	2026-07-02
mautic.org	domain	75%	2026-07-02

🔍 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-2026-4776 Exploitation Attempt — composer mautic/core
id: 7436502823a28238-d721
status: experimental
description: Detects exploitation of CVE-2026-4776 in composer mautic/core. Priority: LOW. Score: 43/100
author: CYBERDUDEBIVASH SENTINEL APEX v4.0 (bivash@cyberdudebivash.com)
date: 2026-07-02
references:
    - https://nvd.nist.gov/vuln/detail/CVE-2026-4776
    - https://blog.cyberdudebivash.in/
tags:
    - attack.initial_access
    - attack.t1190
    - cve-2026-4776
    - cve-2026-4776
logsource:
    category: webserver
detection:
    keywords:
        - 'CVE-2026-4776'
        - 'CVE-2026-4776'
        - 'cve-2026-4776'
    condition: keywords
falsepositives:
    - Security scanners
level: medium

📡 Detection Rules — YARA (Endpoint)

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

YARArule CVE_2026_4776_Exploitation {
    meta:
        description = "Detects artifacts related to CVE-2026-4776 exploitation in composer mautic/core"
        author      = "CYBERDUDEBIVASH SENTINEL APEX v4.0"
        date        = "2026-07-02"
        severity    = "HIGH"
        cvss        = "7.1"
        priority    = "43/100"
        threat_level = "LOW"
        reference   = "https://nvd.nist.gov/vuln/detail/CVE-2026-4776"
    strings:
        $id_str  = "CVE-2026-4776" ascii nocase
        $product = "mautic_core" ascii nocase wide
    condition:
        any of them
}

🛡️ SOC Response Playbook

1IMMEDIATE (0-1hr): Identify all instances of mautic/core 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 LOW 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 mautic/core requests, error spikes)
7SHORT-TERM (8-24hr): Hunt for post-exploitation: new admin accounts, scheduled tasks, lateral movement
8MONITOR: Subscribe to composer security advisories for patch updates
9ONGOING: Track SENTINEL APEX intelligence feed for follow-on campaigns targeting mautic/core

📎 Intelligence References

SENTINEL INTEL BRIEF — FREE

Get Critical CVE Alerts Before They Become Incidents

Join 10,000+ SOC analysts receiving daily threat intelligence, detection rules & CVE alerts. Free. No spam. Unsubscribe anytime.

Read by 10,000+ security professionals worldwide · Unsubscribe at any time

Related Resources — SENTINEL APEX

🔭Threat Intelligence Hub 🎯MITRE ATT&CK Detections 🤖OWASP LLM Top 10 📦Detection Pack Store ⚡SOC Pro Plans 🏢Enterprise Contact

⚡ CYBERDUDEBIVASH SENTINEL APEX v4.0

Intelligence report generated by CYBERDUDEBIVASH SENTINEL APEX v4.0
Report ID: SENTINEL-CVE-2026-4776-2026-07-02 | Priority: 43/100 LOW | Sources: 1
© 2026 CYBERDUDEBIVASH PRIVATE LIMITED
Republication requires written attribution to CYBERDUDEBIVASH SENTINEL APEX

🏢 ENTERPRISE THREAT INTELLIGENCE PLATFORM

Pre-disclosure intel, enriched IOC bundles, deploy-ready SIEM packs, and dedicated analyst support — before threats become headlines.

⚡ SOC Pro — $18/mo 🏢 Enterprise — Custom Pricing 🔌 Threat Intel API Access 📦 Detection Pack Store

48hr pre-disclosure · Enriched IOC feeds · Custom advisories · White-label reports · Dedicated analyst · MSSP licensing