MEDIUM 6.5 GitHub
CVE-2026-54261
Wagtail: Improper permission handling in image preview
### Impact
Due to a missing permission check on the image preview endpoint, a user with access to the Wagtail admin can preview any image. The existing data of the image object itself is not exposed. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin.
### Patches
Patched versions have been released as Wagtail 7.0.8, 7.3.3, 7.4.2.
### Workarounds
For sites that cannot easily upgrade to a current supported version, the vulnerability can be patche
Affected Products
- pip/wagtail < 7.0.8
- pip/wagtail >= 7.1, < 7.3.3
- pip/wagtail >= 7.4, < 7.4.2
References
- https://github.com/advisories/GHSA-r6p4-grq7-xm4m
- https://github.com/wagtail/wagtail/security/advisories/GHSA-r6p4-grq7-xm4m
- https://nvd.nist.gov/vuln/detail/CVE-2026-54261
- https://github.com/pypa/advisory-database/tree/main/vulns/wagtail/PYSEC-2026-614.yaml
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-08-20 via GitHub. Affected: pip/wagtail < 7.0.8, pip/wagtail >= 7.1, < 7.3.3, pip/wagtail >= 7.4, < 7.4.2.
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