EUVD-2026-83658
GHSA-4jm5-5g2j-mj84
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable admin config feature (PR:H) injecting into subprocess.Popen yields arbitrary OS command execution, so C/I/A:H; process runs on the same host without demonstrated scope escape (S:U).
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
2DescriptionCVE.org
A flaw has been found in aiyiyi121 SxDevOps 1.0/1.1. Affected is the function subprocess.Popen of the file backend/aiops/services.py of the component MCP STDIO Server Management. This manipulation of the argument endpoint_or_command causes command injection. The attack may be initiated remotely. Patch name: 2b4bf8585c3e731e7a8af30801ea46680bc783f9. To fix this issue, it is recommended to deploy a patch. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
AnalysisAI
Command injection in SxDevOps 1.0 and 1.1 lets an authenticated user who can manage MCP STDIO server configurations run arbitrary operating-system commands on the host by supplying shell metacharacters in the endpoint_or_command field, which is passed unchecked to subprocess.Popen. Exploitation requires high privileges (CVSS PR:H) because the attacker must be able to create or modify MCP STDIO server entries, and the feature must be reachable on an unpatched 1.0/1.1 build; there is no public exploit identified at time of analysis and no confirmed active exploitation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated account with privileges to create or modify MCP STDIO server configurations (the 'MCP STDIO Server Management' component) in SxDevOps 1.0/1.1. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a moderate-priority issue that is real but gated by high privileges. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor fix - the patch commit 2b4bf8585c3e731e7a8af30801ea46680bc783f9 in https://github.com/aiyiyi121/sxdevops, available via the upstream fix referenced in the advisory (https://vuldb.com/vuln/407924); the vendor has stated a fixed version was released, though a specific tagged release number is not enumerated in the available data, so confirm your build contains this commit before considering the deployment patched. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-77 – Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
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