---
title: "CVE-2026-34926: Relative Path Traversal | CubePath"
description: "A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table…"
language: en
source: https://cubepath.com/security/cve/CVE-2026-34926
---

# CVE-2026-34926: Relative Path Traversal | CubePath

## 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.

Official description from the CVE record, published by trendmicro. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-34926)

## Key data

### CVSS 3.1 Medium 6.7

Score published by trendmicro in the CVE record.

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L

| Metric                 | Value   | What it means                                                                             |
| ---------------------- | ------- | ----------------------------------------------------------------------------------------- |
| Attack vector          | Local   | The attacker needs local access to the system, or to trick a user into running something. |
| Attack complexity      | High    | The attack depends on conditions outside the attacker's control, so it takes preparation. |
| Privileges required    | High    | An account with significant privileges, such as an administrator, is needed.              |
| User interaction       | None    | No action from any user is needed.                                                        |
| Scope                  | Changed | The impact can reach other components beyond the vulnerable one.                          |
| Confidentiality impact | High    | Serious or total effect on the secrecy of data.                                           |
| Integrity impact       | Low     | Limited effect on the trustworthiness of data.                                            |
| Availability impact    | Low     | Limited effect on availability.                                                           |

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) .

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.13420 (13.4% probability)

Percentile

96.5%

Scores of

Nov 10, 2026

Model

v2026.06.15

### CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.

Name in the catalog

Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability

Added to the catalog

May 21, 2026

Federal due date

Jun 4, 2026

### CISA assessment as of May 22, 2026

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation

Recorded by CISA as active

Automatable

no

Technical impact

total

### Weakness (CWE)

CWE catalog version 5.0.

CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license.

- [CWE-23](https://cwe.mitre.org/data/definitions/23.html) Relative Path Traversal

## Affected products

Products listed in the CVE record, as the CNA published them.

- Trend Micro, Inc. TrendAI Apex One

  - affected: 2019 (14.0) up to before 14.0.0.17079
- Trend Micro, Inc. TrendAI Apex One as a Service

  - affected: SaaS up to before 14.0.20731

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [success.trendmicro.com/en-US/solution/KA-0023430](https://success.trendmicro.com/en-US/solution/KA-0023430)
- [success.trendmicro.com/ja-JP/solution/KA-0022974](https://success.trendmicro.com/ja-JP/solution/KA-0022974)
- [jvn.jp/en/vu/JVNVU90583059](https://jvn.jp/en/vu/JVNVU90583059/)
- [jpcert.or.jp/english/at/2026/at260014.html](https://www.jpcert.or.jp/english/at/2026/at260014.html)

## Timeline

1. ID reserved Mar 31, 2026
2. Added to CISA KEV May 21, 2026
3. Record published May 21, 2026
4. Record last updated May 22, 2026

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:11 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)