Resource exhaustion in Craftcms Cms
CVE-2025-68456
Craft is a platform for creating digital experiences. In versions 5.0.0-RC1 through 5.8.20 and 3.0.0 through 4.16.16, unauthenticated users can trigger database backup operations via specific admin actions, potentially leading to resource exhaustion or information disclosure. Users should update to the patched versions (5.8.21 and 4.16.17) to mitigate the issue. Craft 3 users should update to the latest Craft 4 and 5 releases, which include the fixes.
EPSS: 0.005 (38.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Craftcms Cms — versions >= 5.0.0-RC1, < 5.8.21, >= 3.0.0, < 4.16.17
- Craftcms Craft_cms — versions 5.0.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-68456?
- CVE-2025-68456 is a critical-severity vulnerability in Craftcms Cms, classified under CWE-202. CVSS score: 9.1/10. Published 2026-01-05.
- How severe is CVE-2025-68456?
- Critical severity. CVSS v3 base score is 9.1 out of 10.