HOMEVULNERABILITIESCVE-2026-4199
MEDIUM

CVE-2026-4199

CWE-74Published: March 16, 2026· Updated: Mar 16, 2026

5.3
CVSS v3.1
EPSS:0.22%probability of exploitation in 30 daysPercentile:44.8th

Official Description

A vulnerability was identified in bazinga012 mcp_code_executor up to 0.3.0. Affected by this issue is the function installDependencies of the file src/index.ts. Such manipulation leads to command injection. The attack can only be performed from a local environment. The exploit is publicly available and might be used. It is best practice to apply a patch to resolve this issue. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-4199 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (7)

→
https://github.com/bazinga012/mcp_code_executor/
→
https://github.com/bazinga012/mcp_code_executor/issues/17
→
https://github.com/bazinga012/mcp_code_executor/pull/18/commits/a94ec2fea318597646ba1c44d8e44eb1c9196d20
→
https://github.com/user-attachments/files/25931133/mcp_code_executor_security_advisory.pdf
→
https://vuldb.com/?ctiid.351111
→
https://vuldb.com/?id.351111
→
https://vuldb.com/?submit.770424

Quick Facts

CVE IDCVE-2026-4199
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-74
CISA KEVNo
EPSS (30d)0.22%
PublishedMar 16, 2026

Related CVEs (CWE-74)

CVE-2026-5334
9.8
CVE-2026-5018
9.8
CVE-2026-34041
9.8
CVE-2026-5017
9.8
CVE-2026-5035
9.8
CVE-2026-5333
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-4199 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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