CVEvulnerability

CVE-2026-12537

10.0 CRITICAL Published 2026-06-24 Modified 2026-07-02 Official page ↗
Status
Analyzed
Published
2026-06-24
Last modified
2026-07-02
Assigner
f45cbf4e-4146-4068-b7e1-655ffc2c548c
CVSS 4.0 (f45cbf4e-4146-4068-b7e1-655ffc2c548c)
10.0 CRITICAL — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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:Clear
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
CWE-20, CWE-78

Description

Improper Neutralization used in an OS Command in the container launcher in Google Gemini CLI (versions prior to 0.39.1) and run-gemini-cli GitHub Action (versions prior to 0.1.22) on headless CI platforms allows an unprivileged attacker to achieve pre-sandbox host-level code execution a maliciously crafted .gemini/.env file.

Affected configurations

• google gemini-cli (< 0.39.1) • google gemini-cli 0.40.0 • google run-gemini-cli (< 0.1.22)

Related

Weakness · CWE (2)

  • CWE-20 Improper Input Validation weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References