CVE-2026-41655 — Path Traversal

CVE-2026-41655 — Path Traversal

CVE-2026-41655 — Admidio is an open-source user management solution. Prior to version 5.0.9, the ecard_preview.php endpoint does not validate that the ecard_template POST parameter is a safe filename before passing it to ECard::getEcardTemplate(). An authenticated user can supply a path traversal pa

What This Means For You

  • If your environment is affected by CWE-22, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-41655 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 T1190 Initial Access

CVE-2026-41655 - Admidio ecard_preview.php Path Traversal

Sigma YAML — free preview
title: CVE-2026-41655 - Admidio ecard_preview.php Path Traversal
id: scw-2026-05-07-ai-1
status: experimental
level: high
description: |
  Detects the specific path traversal attempt targeting the ecard_preview.php endpoint in Admidio versions prior to 5.0.9. An attacker can exploit this by sending a POST request with a crafted 'ecard_template' parameter containing a path traversal sequence (e.g., '../config.php') to read sensitive files like configuration files containing database credentials.
author: SCW Feed Engine (AI-generated)
date: 2026-05-07
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-41655/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|endswith:
          - '/ecard_preview.php'
      cs-method|exact:
          - 'POST'
      cs-uri-query|contains:
          - '../config.php'
  condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-41655 vulnerability CVE-2026-41655
CWE-22 weakness CWE-22
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 07, 2026 at 07:16 UTC

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