CVE-2026-117560
gemini-cli-extension: ATXP Gemini CLI Extension through 1.0.0 OS Command Injection via MCP Tools
atxp gemini-cli-extension
CVSS
8.5HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
ATXP Gemini CLI extension through 1.0.0 contains an OS command injection vulnerability in runAtxp() that allows attackers to execute shell commands through unsanitized MCP tool parameters. Attackers can plant instructions in email or SMS content to inject $() or backtick substitutions into parameters like message_id, subject, or query, running commands as the user.
Text from CVE List
Affected versions 1
- gemini-cli-extensionaffected: all versions through 1.0.0CVE List
References 4
- vulncheck.com/advisories/atxp-gemini-cli-extension-through-1.0.0-os-command-injection-via-mcp-toolsAdvisoryvia CVE List
- github.com/atxp-dev/atxp/issues/15Referencevia CVE List
- github.com/atxp-dev/atxpReferencevia CVE List
- github.com/atxp-dev/atxp/blob/4e88b0282b51ae7c22ea1b6ca4476a39298299ff/src/server.ts#L28-L40Referencevia CVE List