Resource exhaustion in wagtail - CVE-2026-54260
Published: June 16, 2026
Vulnerability identifier: #VU134574
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-54260
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Torchbox
Affected software:
wagtail
wagtail
Detailed vulnerability description
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the image preview view when processing crafted filter specifications. A remote user can submit a purposefully crafted filter specification to cause a denial of service.
The issue is only exploitable through the Wagtail admin interface and is not exploitable by an ordinary site visitor.
How to mitigate CVE-2026-54260
Install security update from vendor's website.