Auth bypass in widely deployed ManageEngine logging/monitoring products enables admin takeover and compromise of enterprise logging/investigation — high-impact across organizations.
CVE-2026-13594
Auth bypass in ManageEngine Log360/EventLog Analyzer allows unauthorized admin access.
Is CVE-2026-13594 being exploited?
Not confirmed. CVE-2026-13594 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-13594?
CVE-2026-13594 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-13594?
Yes. A fix has been recorded for CVE-2026-13594. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-13594 affect?
CVE-2026-13594 affects ManageEngine Log360 <=13062, ManageEngine EventLog Analyzer <=13062. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-13594?
Upgrade to fixed version (>13062); restrict management UI access with ACLs/VPN; apply firewall/WAF rules.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authentication bypass enables attackers to access admin UI, view/modify logs, change configs, and perform administrative actions.
Immediate action required
- affected< 13062
- affected< 13062
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
timeline
- 3 Nov 2026Published
- 3 Nov 2026CVE record last updated · same day later
- 3 Nov 2026Analysed by vulneraibility.com · same day later
- Linkmanageengine.com /products/eventlog/advisory/CVE-2026-13594.html
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.