Is CVE-2026-13594 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-13594 being exploited in the wild.

How severe is CVE-2026-13594?

Critical severity, with a CVSS score of 9.1, published 3 November 2026.

Which products and versions are affected?

Zoho Corporation ManageEngine EventLog Analyzer 13061 and below; Zoho Corporation ManageEngine Log360 13061 and below.

Is there a fix for CVE-2026-13594?

Yes: fixed in Log360 and EventLog Analyzer 13062 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-13594 attacked?

It is attacked over the network.

Am I affected by CVE-2026-13594?

Check whether you run Zoho Corporation ManageEngine EventLog Analyzer or Zoho Corporation ManageEngine Log360 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-13594: Zoho ManageEngine Log360 and EventLog Analyzer improper access control

CVE-2026-13594 · Severity: critical · CVSS 9.1 · Published 2026-11-03

ManageEngine Log360 and EventLog Analyzer are SIEM and log management platforms used to monitor security events across IT infrastructure. Versions 13061 and below contain an improper access control vulnerability that allows attackers to gain unauthorized access to the product, potentially compromising the confidentiality, integrity, and availability of monitored security data and systems.

Vendors: Zoho Corporation.

Quick answers

Is CVE-2026-13594 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-13594 being exploited in the wild.
How severe is CVE-2026-13594?: Critical severity, with a CVSS score of 9.1, published 3 November 2026.
Which products and versions are affected?: Zoho Corporation ManageEngine EventLog Analyzer 13061 and below; Zoho Corporation ManageEngine Log360 13061 and below.
Is there a fix for CVE-2026-13594?: Yes: fixed in Log360 and EventLog Analyzer 13062 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-13594 attacked?: It is attacked over the network.
Am I affected by CVE-2026-13594?: Check whether you run Zoho Corporation ManageEngine EventLog Analyzer or Zoho Corporation ManageEngine Log360 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: Log360 and EventLog Analyzer 13062 and later

Technical details

This improper access control vulnerability in Log360 and EventLog Analyzer affects the authentication checks in unspecified components. The vulnerability allows an adversary to bypass access controls and gain unauthorized access to the product; the attack is network-accessible and does not require authentication or user interaction. A fix exists and addresses the vulnerability by strengthening authentication checks.

Affected products

Zoho Corporation ManageEngine Log360 13061 and below
Zoho Corporation ManageEngine EventLog Analyzer 13061 and below

Timeline

2026-11-03: disclosed
2026-07-06: patched: Fixed in build 13062

References

https://www.manageengine.com/products/eventlog/advisory/CVE-2026-13594.html

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