How broadly exploitable is this SSRF issue?

Exploitability depends on how and where OpenClaw is integrated. If users can provide URLs that the system fetches, and if the deployment has network visibility into internal services or metadata endpoints, then the SSRF bypass can be leveraged to access those resources. In more locked-down deployments without such exposure, the practical risk is reduced.

Does an attacker need authenticated access to exploit this?

Typically the attacker only needs whatever level of access is required to influence a URL that OpenClaw will request. This might be an authenticated session in some deployments, but exploitation does not require direct network-level access to the internal targets themselves, as the assistant performs the requests on the attacker's behalf.

What is the safest general fix pattern for this class of bug?

The most robust pattern is to resolve and normalize all destination addresses, classify them by their numeric IP ranges, and apply a strict, default-deny SSRF policy for internal, loopback, and metadata-related ranges. URL validation should be implemented using well-tested libraries and numeric address checks rather than handcrafted string logic for specific formats.

Severity:

HIGH RISK

(7.5)

SSRF Filter Bypass via IPv4-Mapped IPv6 Literals (CWE-918) in OpenClaw

CVE-2026-26324

Published:

Feb 19, 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:

Unauthorized access to internal services and sensitive metadata via SSRF

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Unauthorized access to internal services and sensitive metadata via SSRF

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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SSRF Filter Bypass via IPv4-Mapped IPv6 Literals (CWE-918) in OpenClaw

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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