CVE-2026-7022: SmythOS Improper Authentication Vulnerability Publicly Disclosed
The National Vulnerability Database has detailed CVE-2026-7022, a high-severity improper authentication vulnerability impacting SmythOS sre up to version 0.0.15. This flaw resides within the AgentRuntime function in packages/core/src/subsystems/AgentManager/AgentRuntime.class.ts, specifically tied to the HTTP Header Handler component. Attackers can remotely manipulate X-DEBUG-RUN or X-DEBUG-INJ arguments to bypass authentication.
Rated with a CVSS v3.1 score of 7.3 (HIGH), this vulnerability is publicly disclosed, meaning exploit code is likely available in the wild. The National Vulnerability Database notes that the vendor was contacted prior to disclosure but did not respond, leaving affected users without an official patch or guidance. This significantly elevates the risk for any organization running vulnerable versions of SmythOS sre.
The attacker’s calculus here is straightforward: no patch, public exploit. This is a gift for initial access. Defenders need to recognize that public exploits for remote, unauthenticated vulnerabilities are critical. If SmythOS sre is part of your infrastructure, this isn’t a ‘monitor and wait’ situation; it’s an ‘assume compromise and respond’ scenario, or at minimum, an urgent ‘isolate and remove’ task.
What This Means For You
- If your organization uses SmythOS sre up to version 0.0.15, you are exposed to CVE-2026-7022. This is a remote, unauthenticated vulnerability with a public exploit. Immediately identify all instances of SmythOS sre in your environment. If you cannot patch, isolate or remove these systems from network access. Assume potential compromise and audit logs for any suspicious activity related to HTTP header manipulation.
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-2026-7022: SmythOS Improper Authentication via X-DEBUG Headers
title: CVE-2026-7022: SmythOS Improper Authentication via X-DEBUG Headers
id: scw-2026-04-26-ai-1
status: experimental
level: critical
description: |
Detects attempts to exploit CVE-2026-7022 by observing HTTP requests containing the specific '/AgentRuntime' path and the presence of 'X-DEBUG-RUN' or 'X-DEBUG-INJ' headers, which are indicative of the improper authentication vulnerability in SmythOS.
author: SCW Feed Engine (AI-generated)
date: 2026-04-26
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-7022/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-method:
- 'GET'
- 'POST'
uri|contains:
- '/AgentRuntime'
cs-uri-query|contains:
- 'X-DEBUG-RUN'
- 'X-DEBUG-INJ'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-7022 | Auth Bypass | SmythOS sre up to 0.0.15 |
| CVE-2026-7022 | Auth Bypass | Function AgentRuntime in packages/core/src/subsystems/AgentManager/AgentRuntime.class.ts |
| CVE-2026-7022 | Auth Bypass | HTTP Header Handler component |
| CVE-2026-7022 | Auth Bypass | Manipulation of X-DEBUG-RUN/X-DEBUG-INJ argument |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 26, 2026 at 09:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
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