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PatchSiren cyber security CVE debrief

CVE-2026-10586 wpdevteam CVE debrief

The Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 6.1.3 via the `save_ai_generated_image()` function. This makes it possible for authenticated attackers, with Author-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Vendor
wpdevteam
Product
Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns
CVSS
HIGH 7.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-05
Original CVE updated
2026-07-23
Advisory published
2026-06-05
Advisory updated
2026-07-23

Who should care

Users of the Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns plugin for WordPress, particularly those with Author-level access and above, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability is caused by the `save_ai_generated_image()` function in the Gutenberg Essential Blocks plugin, which allows authenticated attackers to make web requests to arbitrary locations. This can be used to query and modify information from internal services.

Defensive priority

HIGH

Recommended defensive actions

  • Update the Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns plugin to a version beyond 6.1.3.
  • Restrict access to the plugin's functionality to only trusted users.
  • Monitor web application logs for suspicious activity.

Evidence notes

The vulnerability was reported by [email protected] and can be found in the CVE-2026-10586 record on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-10586) and [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-10586).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-10586 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-10586

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-10586 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-10586

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/essential-blocks/tags/6.1.3/includes/Integrations/AI/AI.php

    [email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.