Is CVE-2026-0686 actively exploited?

No active exploitation of CVE-2026-0686 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-0686 be exploited remotely?

Yes. CVE-2026-0686 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-0686?

CVE-2026-0686 has a CVSS score of 7.2 (HIGH).

HOME VULNERABILITIESCVE-2026-0686

HIGH

CVE-2026-0686

CWE-918Published: April 2, 2026· Updated: Apr 3, 2026

7.2

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.6th

Official Description

The Webmention plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.6.2 in the 'MF2::parse_authorpage' function via the 'Receiver::post' function. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

NVD Source

Technical Analysis

CVE-2026-0686 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.