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Fencer Vulns
medium 6.6

CVE-2026-93965 json

aiyiyi121 SxDevOps MCP STDIO Server Management services.py subprocess.Popen command injection

published 2026-09-20 50 d ago modified 2026-09-21 48 d ago also EUVD-2026-83658

cvss
6.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

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.

Patch / fix

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
48 d ago

Exploit prediction

1.93% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • vuldb.com https://vuldb.com/submit/944376 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/aiyiyi121/sxdevops/issues/16 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.1 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
CNA 3.1 6.6 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C
CNA 3.0 6.6 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:X/RL:O/RC:C
CNA 2.0 5.8 AV:N/AC:L/Au:M/C:P/I:P/A:P/E:ND/RL:OF/RC:C
CNA 4.0 5.1 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
CNA 3.1 6.6 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
CNA 2.0 5.8 AV:N/AC:L/Au:M/C:P/I:P/A:P

Affected products

  • aiyiyi121 SxDevOps

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.