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OpenAdvisories
Medium · 6.7 Known exploited Public exploit CVE-2026-34926 EUVD-2026-31284GHSA-4ccp-cqrh-3w9v

A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key tabl…

Published May 21, 2026 · Updated May 22, 2026 · Assigned by trendmicro

Vendor: Trend Micro Product: TrendAI Apex One Product: TrendAI Apex One as a Service

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.

Affected products

VendorProductAffectedFixed
Trend Micro TrendAI Apex One 2019 (14.0) – < 14.0.0.17079 14.0.0.17079
Trend Micro TrendAI Apex One as a Service SaaS – < 14.0.20731 14.0.20731

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 1

References