CVE-2026-33159

March 25, 2026, 3:41 p.m.

6.9
Medium

Description

Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.8 and from version 5.0.0-RC1 to before version 5.9.14, guest users can access Config Sync updater index, obtain signed data, and execute state-changing Config Sync actions (regenerate-yaml, apply-yaml-changes) without authentication. This issue has been patched in versions 4.17.8 and 5.9.14.

Product(s) Impacted

Vendor Product Versions
Craftcms
  • Craft Cms
  • 4.0.0-r1-4.17.7, 5.0.0-r1-5.9.13

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-306
Missing Authentication for Critical Function
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a craftcms craft_cms 4.0.0-r1-4.17.7 / / / / / / /
a craftcms craft_cms 5.0.0-r1-5.9.13 / / / / / / /

References

https://github.com/craftcms/cms/commit/7f0ead833f7c2b91ae12003caad833479dd08592
https://github.com/craftcms/cms/releases/tag/4.17.8
https://github.com/craftcms/cms/releases/tag/5.9.14
https://github.com/craftcms/cms/security/advisories/GHSA-6mrr-q3pj-h53w

Tags

[email protected]
CWE-306
2026-03-24
CVE-2026-33159

CVSS Score

6.9 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: NONE
  • Privileges Required: NONE
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: LOW
  • Integrity Impact: LOW
  • Availability Impact: NONE
  • Exploit Maturity: NOT_DEFINED

    • CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

    View Vector String

Timeline

Published: March 24, 2026, 6:16 p.m.
Last Modified: March 25, 2026, 3:41 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.