External risk intelligence

ManageEngine software lets attackers take control of your systems remotely.

CVE advisorySeverity: HIGH (CVSS 8.4)

CVE-2026-2740

ManageEngine ADSelfService Plus, DataSecurity Plus, and RecoveryManager Plus have a vulnerability allowing attackers with access to run malicious code on your systems, potentially leading to data compromise. This needs immediate attention.

4Halo Surface Signal

Remote Code Execution

External exposure likelihood

Halo Surface Signal score for CVE-2026-2740

The affected products are ManageEngine enterprise management tools, which are commonly deployed as internet-facing or externally reachable administrative portals to provide remote management, self-service, or data security functionality to users or distributed agents.

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability exists in Zohocorp ManageEngine products that could allow an attacker with existing access to execute malicious code on agent machines. This is a serious issue because it enables attackers to gain control over systems and potentially access sensitive data.

  • Attackers can gain remote code execution.
  • Affects specific ManageEngine products.
  • Requires existing access to exploit.

Attack Path

How an attacker could exploit the issue

An authenticated attacker could leverage this vulnerability to execute arbitrary code on agent machines. This is possible by exploiting a flaw in a third-party dependency used by specific ManageEngine products. An attacker would first need to gain authenticated access to the affected product.

  • Authenticated access required.
  • Exploits third-party dependency flaw.
  • Targets agent machines.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could be attractive to attackers as it allows authenticated remote code execution on agent machines through a third-party dependency. Exploiting this would grant attackers a foothold within the network to potentially move laterally or access sensitive data. However, the requirement for prior authentication may deter opportunistic attacks.

  • Exploitation not yet observed.
  • No public exploit code.
  • No KEV listing.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize patching ManageEngine ADSelfService Plus, DataSecurity Plus, and RecoveryManager Plus to the latest available versions to address the authenticated RCE vulnerability. If immediate patching is not feasible, isolate affected systems from the network or implement strict access controls to mitigate the risk of compromise.

  • Patch to latest versions.
  • Isolate or restrict access.
  • Monitor for suspicious activity.

Frequently asked questions

What is ManageEngine ADSelfService Plus and what is it used for?

ManageEngine ADSelfService Plus is a self-service password management and user account administration tool. It helps administrators delegate tasks like password resets and account unlocks to end-users, reducing help desk load.

What type of weakness does CVE-2026-2740 represent?

CVE-2026-2740 is an authenticated remote code execution vulnerability, categorized under CWE-77. This means an attacker with some level of access can run their own code on the affected system.

What are the preconditions for an attacker to exploit this CVE?

An attacker must first gain authenticated access to the vulnerable ManageEngine product. The vulnerability is triggered by a flaw in a third-party component, and exploiting it requires this initial level of access to the agent machines.

How significant is the risk from CVE-2026-2740, according to Halo Surface Signal?

Halo classifies this CVE as having a 'Likely' risk score. This is because the affected ManageEngine products are often internet-facing administrative portals, increasing their potential exposure.

What are the first steps for a user running affected ManageEngine software?

The immediate action is to update ManageEngine ADSelfService Plus, DataSecurity Plus, and RecoveryManager Plus to the latest versions. If patching isn't possible right away, consider isolating the affected systems or applying strict access controls.

References