Medium severity5.3NVD Advisory· Published Apr 6, 2026· Updated Apr 29, 2026

CVE-2026-5621

Description

A vulnerability was found in ChrisChinchilla Vale-MCP up to 0.1.0. Affected by this vulnerability is an unknown functionality of the file src/index.ts of the component HTTP Interface. The manipulation of the argument config_path results in os command injection. Attacking locally is a requirement. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Patches

Vulnerability mechanics

References

News mentions

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Severity

MediumCVSS v3.1

5.3/ 10

CVSS v41.9

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

Attack vector: Local
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

Probability of exploitation in the next 30 days.

0.69%

VYPR risk score

Composite of severity, exploitation, and reach.

0.35medium

cvss	0.345
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVE ID

CVE-2026-5621

Credits

B(
BruceJin (VulDB User)
reporter
VC
VulDB CNA Team
coordinator