CVE-2026-22726 — Route Services can be leveraged to send app traffic to
CVE-2026-22726 — Route Services can be leveraged to send app traffic to network destinations outside of an app's configured egress rules. As a result, a malicious developer with access to Cloudfoundry could configure a route-service that would allow it to send requests to HTTP services on internal n
What This Means For You
- If your environment is affected by CWE-923, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-22726 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.
CVE-2026-22726 - Route Service Exfiltrating App Traffic to Internal Network
title: CVE-2026-22726 - Route Service Exfiltrating App Traffic to Internal Network
id: scw-2026-05-01-ai-1
status: experimental
level: critical
description: |
This rule detects traffic originating from a route service attempting to connect to internal network destinations on common web ports. This is indicative of CVE-2026-22726, where route services are leveraged to send app traffic to network destinations outside of an app's configured egress rules, potentially to internal services.
author: SCW Feed Engine (AI-generated)
date: 2026-05-01
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-22726/
tags:
- attack.exfiltration
- attack.t1048
logsource:
category: proxy
detection:
selection:
dst_domain|contains:
- 'internal.network'
dst_port:
- '80'
- '443'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-22726 | vulnerability | CVE-2026-22726 |
| CWE-923 | weakness | CWE-923 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 01, 2026 at 03:16 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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