CVE-2026-34926
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.
CVSS Metrics
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
Affected Products (2)
| Vendor | Product | Version |
|---|---|---|
| trendmicro | apex_one | * < 14.0.0.17079 |
| trendmicro | apex_one | * < 14.0.20731 |
GitHub Security Advisory GHSA-4ccp-cqrh-3w9v
A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre...
References (5)
- https://jvn.jp/en/vu/JVNVU90583059/ Third Party Advisory
- https://success.trendmicro.com/en-US/solution/KA-0023430 Vendor Advisory
- https://success.trendmicro.com/ja-JP/solution/KA-0022974 Vendor Advisory
- https://www.jpcert.or.jp/english/at/2026/at260014.html Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926 Third Party Advisory, US Government Resource
Risk Scores
Top 22% most likely to be exploited
CISA Known Exploited
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.