Is this vulnerability remotely exploitable beyond GitHub?

The exploit occurs within GitHub Actions runners. An attacker interacts through GitHub (e.g., fork + pull request), and the injected commands run in the CI environment, not directly on user machines or production servers. However, compromised workflows can indirectly affect downstream users through tampered artifacts.

Does an attacker need write access to the main repository?

Typically no. Because branch names, pull request titles, and some workflow inputs are derived from user-controlled data, an attacker usually needs only the ability to fork the repository and open a pull request or otherwise trigger the workflow from a branch they control.

What is the safest general fix pattern?

Move all user-controlled or context-derived values into

Severity:

CRITICAL RISK

(9.1)

Shell Command Injection (CWE-78) via GitHub Actions Context Interpolation in Langflow CI Workflows

CVE-2026-33475

Published:

Mar 24, 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:

Shell Command Injection in CI/CD Pipelines

CWE:

CWE-74;CWE-78

Impact:

Remote Code Execution in CI environment and Secret Exfiltration

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Shell Command Injection in CI/CD Pipelines

CWE:

CWE-74;CWE-78

Impact:

Remote Code Execution in CI environment and Secret Exfiltration

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.

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Ask AI for summary of CodeAnt

Shell Command Injection (CWE-78) via GitHub Actions Context Interpolation in Langflow CI Workflows

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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