CVE-2026-31266 — HIGH (7.3)

Vulnerability Description

Craft CMS 5.9.5 and earlier contains a Missing Authorization vulnerability in the migrate endpoint (/actions/app/migrate).

CVSS Score

7.3

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Related Weaknesses (CWE)

CWE-862

References

https://github.com/0xrixet/cms-security-poc
https://github.com/craftcms/cms
https://github.com/0xrixet/Craftcms-PoC-CVE-2026-31266

FAQ

What is CVE-2026-31266?

CVE-2026-31266 is a vulnerability with a CVSS score of 7.3 (HIGH). Craft CMS 5.9.5 and earlier contains a Missing Authorization vulnerability in the migrate endpoint (/actions/app/migrate).

How severe is CVE-2026-31266?

CVE-2026-31266 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-31266?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.