What’s Vulnerable › Vulnerabilities
CVE-2026-54260: Wagtail: Denial of service via unbounded filter specs in the image preview
- Severity: low (CVSS 2.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-01 · updated 2026-07-02
- Weakness: CWE-400
Description
Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, an authenticated admin user can trigger expensive rendition processing with purposefully crafted filter specs resulting in potentially service degradation. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. This issue has been fixed in versions 7.0.8, 7.3.3, and 7.4.2.
Affected products
- wagtail: before 7.0.8; from 7.1 before 7.3.3; from 7.4 before 7.4.2 — fixed in 7.0.8, 7.3.3, 7.4.2
How to fix
Upgrade to a fixed version: wagtail 7.0.8, 7.3.3, 7.4.2. Check the vendor advisory for mitigations.
References
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