ManageEngine DataSecurity Plus Agent Authentication Bypass

ManageEngine DataSecurity Plus versions before 6310 are vulnerable to an agent authentication bypass, allowing unenrolled agents to send requests without proper authentication.

Casky was already ahead

This CVE exploits attack patterns that Casky's 323matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

CVE-2026-18911 exploits improper input validation (CWE-20) in ManageEngine DataSecurity Plus versions before 6310, allowing unenrolled agents to bypass authentication mechanisms and submit requests as if they were legitimate, enrolled agents. This vulnerability is critical for organizations using DataSecurity Plus for data protection and compliance monitoring, as it enables unauthorized agents to interact with the platform without proper credentials. Affected versions allow attackers to circumvent access controls, potentially leading to unauthorized data access, configuration changes, or lateral movement within protected environments. Any organization running vulnerable DataSecurity Plus versions—particularly those managing sensitive data across distributed infrastructure—faces direct exposure to this threat.

Casky's 323 mapped security skills leverage Claude AI with extended reasoning to detect the attack patterns underlying this vulnerability across MITRE ATT&CK techniques TA0001 (Reconnaissance) and TA0043 (Reconnaissance). Practitioners using Casky will receive findings that correlate suspicious agent communications—such as requests from unregistered agent IDs, unusual enrollment patterns, or authentication tokens missing proper validation signatures—with these adversarial reconnaissance and resource development techniques. The platform's skills automatically flag improper input handling in agent registration workflows, detect abnormal authentication bypass attempts through behavioral analysis, and surface policy violations where agents communicate without established trust relationships. This enables security teams to distinguish legitimate DataSecurity Plus traffic from malicious agent impersonation in real time.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

323 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-18911.

Abuse of Public-Facing API: Mobile API Abuse

mobile security · low

Run

abusing-dpapi-for-credential-access

red teaming · high

Run

abusing-shadow-credentials-for-privesc

red teaming · high

Run

MITRE ATT&CK Techniques

TA0001 TA0043

Investigate the attack patterns behind CVE-2026-18911

Casky has 323 skills that investigate the attack patterns behind CVE-2026-18911. Run one and get CVSS-scored findings in 3 minutes.

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