CVE-2026-34926

Description

A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations. This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.

Scoring

• CVSS: 6.7 (MEDIUM, 3.1)
• EPSS exploitation probability: Not yet available
• EPSS percentile: Not yet available

CISA KEV status

• Added to KEV: 2026-05-21
• Remediation due date: 2026-06-04
• Known ransomware campaign use: Unknown

Weakness types (CWE)

• CWE-23

References

• https://jvn.jp/en/vu/JVNVU90583059/
• https://success.trendmicro.com/en-US/solution/KA-0023430
• https://success.trendmicro.com/ja-JP/solution/KA-0022974
• https://www.jpcert.or.jp/english/at/2026/at260014.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926

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