CVE-2023-48648

Concrete CMS before 8.5.13 and 9.x before 9.2.2 allows unauthorized access because directories can be created with insecure permissions. File creation functions (such as the Mkdir() function) gives universal access (0777) to created folders by default. Excessive permissions can be granted when creating a directory with permissions greater than 0755 or when the permissions argument is not specified.

• CWE-276
• CWE-276

• https://documentation.concretecms.org/developers/introduction/version-history/8513-release-notesRelease Notes
• https://documentation.concretecms.org/developers/introduction/version-history/922-release-notesRelease Notes
• https://www.concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-releaseRelease Notes, Vendor Advisory
• https://documentation.concretecms.org/developers/introduction/version-history/8513-release-notesRelease Notes
• https://documentation.concretecms.org/developers/introduction/version-history/922-release-notesRelease Notes
• https://www.concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-releaseRelease Notes, Vendor Advisory

Published

Nov 17, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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