CVE-2025-68456CWE-202CWE-770denial-of-service

CVE-2025-68456

Critical · published January 6, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
45.8
In the wild
Unconfirmed
What it is

⚡ Unauthenticated users can trigger database backups in Craft! This could lead to serious data leaks or resource exhaustion. 🔥 Imagine a restaurant where anyone can sneak into the kitchen and order every dish on the menu without paying — that’s what’s happening here! It’s all too easy for attackers to overstuff the database with requests, leading to chaos and potential data exposure. If someone exploits this vulnerability, they could exhaust server resources, leading to downtime, or worse, gain access to sensitive information stored in backups. This could put your entire digital experience at risk, exposing private data that should remain secure.

Put simply

Imagine a restaurant where anyone can sneak into the kitchen and order every dish on the menu without paying — that’s what’s happening here! It’s all too easy for attackers to overstuff the database with requests, leading to chaos and potential data exposure. Craft versions 5.0.0-RC1 to 5.8.20 and 3.0.0 to 4.16.16 allow unauthenticated users to trigger backup operations through specific admin actions, lacking necessary access controls. Without proper authentication checks, anyone can potentially exploit this flaw to access sensitive data.

What to do

If someone exploits this vulnerability, they could exhaust server resources, leading to downtime, or worse, gain access to sensitive information stored in backups. This could put your entire digital experience at risk, exposing private data that should remain secure. Update immediately to Craft version 5.8.21 or 4.16.17 to patch this vulnerability. If you're using Craft 3, make sure to upgrade to the latest Craft 4 or 5 releases that include these fixes. Regularly audit your permissions and access controls to prevent future issues. You’ve got this! With these updates, you’ll protect your Craft site like the security hero you are! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00560 · 45.8th percentile
Weaknesses
CWE-202 · Exposure of Sensitive Information Through Data Queries; CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-01-06T03:15Z
Affected products (4)
ProductVersionsFixed in
craftcms/craft_cms≥ 3.0.0, < 4.16.174.16.17
craftcms/craft_cms≥ 5.0.1, < 5.8.215.8.21
craftcms/craft_cmsall versions—
craftcms/craft_cmsall versions—
References (4)
EPSS history
Timeline
  • 05 JAN 22:03Z
    Unauthenticated Craft CMS users can trigger a database backup
    cvelistv5