CVE-2026-1857 - Gutenberg Blocks with AI by Kadence WP <= 3.6.1 - Authenticated (Contributor+) Server-Side Request Forgery via 'endpoint' Parameter

CVE-2026-1857 - Gutenberg Blocks with AI by Kadence WP <= 3.6.1 - Authenticated (Contributor+) Server-Side Request Forgery via 'endpoint' Parameter

https://cvefeed.io/rssfeed/latest.atom / Wed, 02/18/2026 - 11:02
CVE ID : CVE-2026-1857
Published : Feb. 18, 2026, 7:16 a.m. | 1 hour, 6 minutes ago
Description : The Gutenberg Blocks with AI by Kadence WP plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.6.1. This is due to insufficient validation of the `endpoint` parameter in the `get_items()` function of the GetResponse REST API handler. The endpoint's permission check only requires `edit_posts` capability (Contributor role) rather than `manage_options` (Administrator). This makes it possible for authenticated attackers, with Contributor-level access and above, to make server-side requests to arbitrary endpoints on the configured GetResponse API server, retrieving sensitive data such as contacts, campaigns, and mailing lists using the site's stored API credentials. The stored API key is also leaked in the request headers.
Severity: 4.3 | MEDIUM
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.