Is this vulnerability remotely exploitable over the network?

Yes, but only by authenticated users with administrative access to the OpenProject web interface. An attacker must be able to log in as an admin and reach the email configuration page.

What level of access is required to exploit this issue?

Exploitation requires a valid OpenProject administrator account. Regular users or unauthenticated attackers cannot directly exploit this flaw without first gaining admin-level credentials.

What is the safest general fix pattern for this type of vulnerability?

The safest pattern is to avoid invoking shells with user-controlled data entirely. Use process execution APIs that pass arguments as arrays, enforce strict validation on paths, and restrict configuration to known-safe executables instead of free-form command strings.

Severity:

HIGH RISK

(7.2)

Command Injection via Sendmail Path (CWE-77) in OpenProject Email Configuration

CVE-2026-22601

Published:

Jan 9, 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-306

CRITICAL RISK

CRITICAL

(9.8)

Missing Authentication for Forgot-Password Email Change API (CWE-306)

Account Takeover / Loss of Account Control

February 17, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in node-sonos-http-api TTS Provider for macOS

Remote Code Execution on the Server Host

February 17, 2026

Vulnerability Type

Category:

Command Injection

CWE:

CWE-77

Impact:

Authenticated Remote Code Execution

Severity:

HIGH RISK

(7.2)

CVSS Version:

3.1

Vulnerability Type

Category:

Command Injection

CWE:

CWE-77

Impact:

Authenticated Remote Code Execution

Severity:

HIGH RISK

(7.2)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Command Injection via Sendmail Path (CWE-77) in OpenProject Email Configuration

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

CRITICAL RISK

CRITICAL

(9.8)

Missing Authentication for Forgot-Password Email Change API (CWE-306)

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in node-sonos-http-api TTS Provider for macOS

Vulnerability Type

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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