HexStrike AI MCP Server Command Injection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-35028
StatePUBLISHED
AssignerAHA
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-11-30 22:15:46 UTC
Updated2026-10-18 20:10:00 UTC
DescriptionBy providing a command-line argument starting with a semi-colon ; to an API endpoint created by the EnhancedCommandExecutor class of the HexStrike AI MCP server, the resultant composed command is executed directly in the context of the MCP server’s normal privilege; typically, this is root. There is no attempt to sanitize these arguments in the default configuration of this MCP server at the affected version (as of commit 2f3a5512 in September of 2025).

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

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

EPSS: 0.052900000 probability, percentile 0.924810000 (date 2026-10-18)

Problem Types: CWE-78 | CWE-78 CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1CNACVSS9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA 0x4m4 HexStrike AI affected 33267047667b9accfbf0fdac1c1c7ff12f3a5512 commit-hash Not specified

References

ReferenceSourceLinkTags
github.com/0x4m4/hexstrike-ai/issues/115 [email protected] github.com
takeonme.org/gcves/GCVE-1337-2025-0000000000000000000000000000000000000000... [email protected] takeonme.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: jippen of AHA! (en)

CNA: todb of AHA! (en)

Additional Advisory Data

Exploits

CNA: The original advisory contains two example working proofs-of-concept exploits (which disclose the running user and the local /etc/passwd file to the remote requestor).

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