Is this vulnerability remotely exploitable?

It can be, under the right conditions. If an attacker can intercept or influence network traffic and the CLI is used with the risky flag combination, they may be able to impersonate the Rancher Manager endpoint, turning this into a remote man-in-the-middle scenario.

What level of access does an attacker need to exploit this behavior?

An attacker typically needs control over a network path (for example, through compromised infrastructure, local network access, or DNS manipulation) or the ability to alter trusted CA material (such as Rancher's `cacerts` setting or underlying system trust stores) to practically exploit this vulnerability.

What is the safest general fix pattern?

The safest pattern is to ensure that TLS certificate validation is always performed against an explicitly defined and tightly scoped CA bundle, particularly for environments using self-signed or internal CAs, and to avoid reliance on implicit CA sources tied to server-side settings.

Severity:

HIGH RISK

(8.3)

Improper TLS Certificate Validation (CWE-295) in Rancher Manager CLI Login Workflow

CVE-2025-67601

Published:

Feb 25, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Improper Certificate Validation

CWE:

CWE-295

Impact:

TLS Trust Boundary Weakening and Potential Man-in-the-Middle Exposure

Severity:

HIGH RISK

(8.3)

CVSS Version:

3.1

Vulnerability Type

Category:

Improper Certificate Validation

CWE:

CWE-295

Impact:

TLS Trust Boundary Weakening and Potential Man-in-the-Middle Exposure

Severity:

HIGH RISK

(8.3)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Improper TLS Certificate Validation (CWE-295) in Rancher Manager CLI Login Workflow

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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