CVE-2026-97662 AWS security-agent-mcp-server - Arbitrary File Write

AWS security-agent-mcp-server < 0.2.0 contains a file write vulnerability caused by argument injection in the diff scan operation, letting context-dependent threat actors create, overwrite, or truncate arbitrary files outside the intended workspace, exploit requires crafted reference value.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.14% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Arbitrary File Write
Impact
File System Write, Data Tampering
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H
Published
1 October 2026
Updated
15 October 2026
Weakness
CWE-73

Vendor fix

Upgrade to version 0.2.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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