Is this vulnerability remotely exploitable over the internet?

Yes, but it requires an authenticated user account on the Plane instance. Once logged in, an attacker can exploit the link-adding functionality to coerce the server into making internal HTTP requests, even though those internal resources are not directly routable from the attacker's machine.

Does an attacker need elevated or administrative privileges?

No. The vulnerability can be exploited with general user privileges. Any account that can use the "Add Link" feature and supply arbitrary URLs is in a position to trigger SSRF behavior.

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

The most robust fix is to centralize and strictly control all server-initiated HTTP requests that rely on user input. This typically involves enforcing an outbound allowlist, blocking private and metadata address ranges, normalizing and validating URLs before use, and minimizing the exposure of raw response bodies to end users.

Severity:

HIGH RISK

(7.7)

Full Read Server-Side Request Forgery (CWE-918) in Plane 'Add Link' Feature

CVE-2026-27706

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:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Internal Network Access and Data Exfiltration

Severity:

HIGH RISK

(7.7)

CVSS Version:

3.1

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Internal Network Access and Data Exfiltration

Severity:

HIGH RISK

(7.7)

CVSS Version:

3.1

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Made with Love in San Francisco

355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Full Read Server-Side Request Forgery (CWE-918) in Plane 'Add Link' Feature

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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