Is CVE-2026-28476 actively exploited?

No active exploitation of CVE-2026-28476 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-28476 be exploited remotely?

Yes. CVE-2026-28476 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-28476?

CVE-2026-28476 has a CVSS score of 8.3 (HIGH).

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HIGH

CVE-2026-28476

CWE-918Published: March 5, 2026· Updated: Mar 9, 2026

8.3

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:18.9th

Official Description

OpenClaw versions prior to 2026.2.14 contain a server-side request forgery vulnerability in the optional Tlon Urbit extension that accepts user-provided base URLs for authentication without proper validation. Attackers who can influence the configured Urbit URL can induce the gateway to make HTTP requests to arbitrary hosts including internal addresses.

NVD Source

Technical Analysis

CVE-2026-28476 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.