CVE-2026-93967: SxDevOps Command Injection RCE Vulnerability

CVE-2026-93967 Overview

CVE-2026-93967 is a command injection vulnerability [CWE-74] in aiyiyi121 SxDevOps versions 1.0 and 1.1. The flaw resides in the generate_host_task function within backend/aiops/services.py, part of the Command Handler component. An authenticated remote attacker can manipulate the command argument to inject and execute arbitrary operating system commands on the host running the application. The vendor was notified early, responded professionally, and released a fix identified by commit hash 2b4bf8585c3e731e7a8af30801ea46680bc783f9.

Critical Impact
Successful exploitation allows an authenticated remote attacker to inject arbitrary commands through the SxDevOps AIOps command handler, leading to compromise of confidentiality, integrity, and availability of the affected host.

Affected Products

aiyiyi121 SxDevOps 1.0
aiyiyi121 SxDevOps 1.1
Component: backend/aiops/services.py Command Handler (generate_host_task)

Discovery Timeline

2026-09-20 - CVE-2026-93967 published to NVD
2026-09-22 - Last updated in NVD database

Technical Details for CVE-2026-93967

Vulnerability Analysis

The vulnerability exists in the generate_host_task function of backend/aiops/services.py in the SxDevOps AIOps backend. The function processes a command argument that is used to build a host task, but does not sufficiently validate or sanitize the input before it reaches an underlying command execution path. Because the affected code is exposed through a network-reachable interface, an authenticated attacker can supply crafted input that alters the intended command structure. The result is arbitrary command execution in the context of the SxDevOps backend process.

Root Cause

The root cause is improper neutralization of special elements in downstream command construction [CWE-74]. The command parameter flows into a handler responsible for launching host tasks without a strict allowlist or shell-safe quoting. The upstream fix introduces a helper, _validate_mcp_stdio_command, imported into backend/aiops/serializers.py, to enforce validation on command input before it is dispatched.

Attack Vector

Exploitation requires network access and low-privileged authentication with user interaction. An attacker who can submit a request to the vulnerable endpoint supplies a manipulated command value that embeds shell metacharacters or additional arguments. When the handler processes the value, the injected payload executes with the privileges of the backend service. No public proof-of-concept or in-the-wild exploitation has been reported at the time of publication. The EPSS score is 1.229% (67.6 percentile).

python

# Patch excerpt: backend/aiops/serializers.py
     AIOpsSkill,
     AIOpsToolInvocation,
 )
+from .services import _validate_mcp_stdio_command
 from .services import _ensure_task_draft_title, _is_generic_task_title, get_model_provider_setup_hint

Source: GitHub Commit 2b4bf8585c3e731e7a8af30801ea46680bc783f9

python

# Patch excerpt: backend/aiops/services.py
 from collections import Counter
 from datetime import datetime, time as datetime_time, timedelta
 from decimal import Decimal
+from pathlib import Path
 from urllib.parse import urlparse

 import requests

Source: GitHub Commit 2b4bf8585c3e731e7a8af30801ea46680bc783f9

The patch introduces a validation function (_validate_mcp_stdio_command) that is imported into the serializer layer to enforce input checks before commands reach generate_host_task.

Detection Methods for CVE-2026-93967

Indicators of Compromise

Unexpected child processes spawned by the SxDevOps backend Python process, especially shell interpreters such as sh, bash, or cmd.exe.
HTTP requests to AIOps host task endpoints containing shell metacharacters (;, |, &, backticks, $(...)) in the command parameter.
Outbound network connections initiated by the SxDevOps backend to previously unseen destinations following AIOps task creation.

Detection Strategies

Enable verbose application logging around generate_host_task invocations and alert on command values that contain shell control characters.
Baseline the process tree of the SxDevOps backend and alert on deviations, particularly interactive shells or reconnaissance utilities such as whoami, id, or curl.
Correlate authenticated API activity with subsequent process execution events on the host to identify command injection attempts.

Monitoring Recommendations

Forward SxDevOps application logs and host process telemetry to a centralized analytics platform for correlation and retention.
Review the GitHub Issue Tracker entry #16 and VulDB CVE record for updated indicators.
Monitor for post-exploitation behaviors including credential access, persistence mechanisms, and lateral movement from hosts running SxDevOps.

How to Mitigate CVE-2026-93967

Immediate Actions Required

Apply the upstream fix at commit 2b4bf8585c3e731e7a8af30801ea46680bc783f9 from the SxDevOps repository.
Restrict access to the SxDevOps AIOps endpoints to trusted administrative users only.
Rotate any credentials, API tokens, or secrets accessible to the SxDevOps backend if exploitation is suspected.

Patch Information

The vendor released the fix in commit 2b4bf8585c3e731e7a8af30801ea46680bc783f9. The patch adds a _validate_mcp_stdio_command helper in backend/aiops/services.py and imports it into backend/aiops/serializers.py to validate command input before it reaches the host task handler. Refer to the GitHub commit details for the complete diff.

Workarounds

Place the SxDevOps backend behind a reverse proxy or web application firewall that filters shell metacharacters in requests targeting AIOps endpoints.
Run the SxDevOps backend under a least-privileged, non-root service account with restricted filesystem and network permissions.
Temporarily disable the AIOps host task feature if administrative controls cannot be enforced until the patch is applied.

bash

# Pull and deploy the patched revision
git fetch origin
git checkout 2b4bf8585c3e731e7a8af30801ea46680bc783f9
# Rebuild and restart the SxDevOps backend service
docker compose build backend && docker compose up -d backend