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Vulnerability record · CVE-2026-62667 · published 19 August 2026

CVE-2026-62667: Missing authorization vulnerability

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.6, the Grav API plugin ApiKeyManager::generateKey() stores a declared scopes array, but ApiKeyAuthenticator::authenticate() does not read keyData[scopes] and returns the owning user's complete identity. AbstractApiController::requirePermission() consequently evaluates the full user ACL, so a key issued for a read-only scope can perform every write, delete, and administrative operation available to the owner. This issue is fixed in version 1.0.6.

8.1 CVSS 3.1 High EPSS 0.41% · top 67.1% CWE-862 · Missing authorization Deferred
8.1CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
9 Sep 2026Last modified by NVD

Description

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.6, the Grav API plugin ApiKeyManager::generateKey() stores a declared scopes array, but ApiKeyAuthenticator::authenticate() does not read keyData[scopes] and returns the owning user's complete identity. AbstractApiController::requirePermission() consequently evaluates the full user ACL, so a key issued for a read-only scope can perform every write, delete, and administrative operation available to the owner. This issue is fixed in version 1.0.6.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

LinkTags
https://github.com/getgrav/grav-plugin-api/commit/dfcc947f0d6758772caac290c68fe8d4c4a4874e
https://github.com/getgrav/grav-plugin-api/releases/tag/1.0.6
https://github.com/getgrav/grav/security/advisories/GHSA-x7hm-jc32-v39j
https://github.com/getgrav/grav/security/advisories/GHSA-x7hm-jc32-v39j

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Source: NIST National Vulnerability Database (record CVE-2026-62667), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.