CVE-2026-48247 — Open ISES Tickets before 3.44.2 disables TLS certificate
CVE-2026-48247 — Open ISES Tickets before 3.44.2 disables TLS certificate verification in incs/functions.inc.php by setting CURLOPT_SSL_VERIFYPEER to false (and not setting CURLOPT_SSL_VERIFYHOST) when issuing outbound HTTPS requests for general-purpose outbound HTTPS requests issued by the shared h
What This Means For You
- If your environment is affected by CWE-295, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-48247 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 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.
CVE-2026-48247 - Open ISES Tickets TLS Certificate Verification Disabled
title: CVE-2026-48247 - Open ISES Tickets TLS Certificate Verification Disabled
id: scw-2026-05-21-ai-1
status: experimental
level: high
description: |
Detects the specific configuration change in Open ISES Tickets (CVE-2026-48247) where TLS certificate verification is disabled by setting CURLOPT_SSL_VERIFYPEER to false in incs/functions.inc.php. This allows attackers to perform man-in-the-middle attacks.
author: SCW Feed Engine (AI-generated)
date: 2026-05-21
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-48247/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
TargetFilename|contains:
- 'incs/functions.inc.php'
CommandLine|contains:
- 'CURLOPT_SSL_VERIFYPEER, false'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-48247 | vulnerability | CVE-2026-48247 |
| CWE-295 | weakness | CWE-295 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 21, 2026 at 21:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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