Is this vulnerability remotely exploitable?

Yes, it can be exploited remotely by any user who can reach the link creation endpoint and supply arbitrary URLs, subject to whatever authentication or access control the deployment enforces.

Does an attacker need authenticated access to exploit this?

In many self-hosted setups, creating links is restricted to authenticated users, so an attacker typically needs at least low-privileged access. However, if the instance exposes link creation to the public (e.g., open registration or guest submissions), then unauthenticated exploitation may be possible.

What is the safest general fix pattern?

Apply the existing `NoPrivateIpRule` (or an equivalent URL/IP validation rule) to all code paths that accept URLs and then perform server-side HTTP requests, including the primary `POST /links` flow. Complement input validation with network-level controls that prevent application containers from reaching internal and metadata endpoints.

Severity:

HIGH RISK

(7.7)

Server-Side Request Forgery (CWE-918) in LinkAce Link Creation Endpoint

CVE-2026-30953

Published:

Mar 10, 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-918

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

Unauthorized Access to Internal Resources via SSRF

May 6, 2026

CWE-863

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Privilege Escalation via Bypassed Access Control

May 6, 2026

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Internal Network Access via SSRF

Severity:

HIGH RISK

(7.7)

CVSS Version:

3.1

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Internal Network Access via SSRF

Severity:

HIGH RISK

(7.7)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Server-Side Request Forgery (CWE-918) in LinkAce Link Creation Endpoint

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

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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