How to fix CVE-2025-12155?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Validate that input sanitization is in place for all user-controlled parameters.

Is Command Injection affected by CVE-2025-12155?

CVE-2025-12155 presents moderate security risk, a command injection vulnerability rated CVSS 7.1. Successful exploitation could allow attackers to execute arbitrary code or commands on affected systems, potentially leading to full system compromise.

CVE-2025-12155

HIGH

2025-11-10 f45cbf4e-4146-4068-b7e1-655ffc2c548c

7.1

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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:P/AU:Y/R:X/V:X/RE:X/U:Red

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

CVE Published

Nov 10, 2025 - 09:15 nvd

HIGH 7.1

Description

A Command Injection vulnerability, resulting from improper file path sanitization (Directory Traversal) in Looker allows an attacker with Developer permission to execute arbitrary shell commands when a user is deleted on the host system. Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted instances. No user action is required for these. Self-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted. The versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page https://download.looker.com/ : * 24.12.100+ * 24.18.192+ * 25.0.69+ * 25.6.57+ * 25.8.39+ * 25.10.22+

Analysis

A Command Injection vulnerability, resulting from improper file path sanitization (Directory Traversal) in Looker allows an attacker with Developer permission to execute arbitrary shell commands when. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. A Command Injection vulnerability, resulting from improper file path sanitization (Directory Traversal) in Looker allows an attacker with Developer permission to execute arbitrary shell commands when a user is deleted on the host system. Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted instances. No user action is required for these. Self-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted. The versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page https://download.looker.com/ : * 24.12.100+ * 24.18.192+ * 25.0.69+ * 25.6.57+ * 25.8.39+ * 25.10.22+

Affected Products

Looker allows an attacker with Developer permission to execute arbitrary shell commands when a user.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.7

CVSS: +36

POC: 0

CVE-2025-12155 vulnerability details – vuln.today

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CVE-2025-12155

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CVE-2025-12155

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code