CVE-2026-34926 — The Apex One (On-Premise) Server Path Traversal

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 formats

3 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.

high T1574.002 Persistence

DLL Side-Loading Detection

Sigma YAML — free preview
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

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Indicators of Compromise

IDTypeIndicator
CVE-2026-34926 vulnerability CVE-2026-34926
CWE-23 weakness CWE-23
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 21, 2026 at 17:16 UTC

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