CVE-2026-34926 — The Apex One (On-Premise) Server Path Traversal
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-prem
What This Means For You
- If your environment is affected by CWE-23, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-34926 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
DLL Side-Loading Detection
title: DLL Side-Loading Detection
id: scw-2026-05-21-1
status: experimental
level: high
description: |
Detects unsigned DLLs loaded by legitimate executables, a common technique for persistence and defense evasion.
author: SCW Feed Engine (auto-generated)
date: 2026-05-21
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-34926/
tags:
- attack.persistence
- attack.t1574.002
logsource:
category: image_load
product: windows
detection:
selection:
ImageLoaded|endswith:
- '.dll'
Image|endswith:
- '.exe'
signed: 'false'
condition: selection
falsepositives:
- Legitimate activity from CVE-2026-34926
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-34926 | vulnerability | CVE-2026-34926 |
| CWE-23 | weakness | CWE-23 |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 21, 2026 at 17:16 UTC |
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