CVE-2026-27938

HighCVSS 7.7/10Last modified Jun 17, 2026

Description

WPGraphQL provides a GraphQL API for WordPress sites. Prior to version 2.9.1, the `wp-graphql/wp-graphql` repository contains a GitHub Actions workflow (`release.yml`) vulnerable to OS command injection through direct use of `${{ github.event.pull_request.body }}` inside a `run:` shell block. When a pull request from `develop` to `master` is merged, the PR body is injected verbatim into a shell command, allowing arbitrary command execution on the Actions runner. Version 2.9.1 contains a fix for the vulnerability.

Metrics

CVSS 3.1 7.7/10CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-78

Affected software

No affected versions have been published.

Timeline

Published: Feb 26, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

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