# CVE-2026-25517: PYSEC-2026-2030 - Wagtail has improper permission handling on admin preview endpoints

Source: https://junglewise.ai/threats/cve-2026-25517-wagtail-has-improper-permission-handling-on-admin-preview  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-07  
License: CC BY 4.0 with a link back

CVE-2026-25517 · Severity: medium · CVSS 4 · Published 2026-07-07

Wagtail has improper permission handling on admin preview endpoints

Technologies: [wagtail (PyPI)](https://junglewise.ai/threats/technologies/pypi-wagtail). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2026-25517 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-25517 being exploited in the wild.

**How severe is CVE-2026-25517?** Medium severity, with a CVSS score of 4, published 7 July 2026.

**Which products and versions are affected?** wagtail (PyPI) ECOSYSTEM:introduced=0,fixed=6.3.6, ECOSYSTEM:introduced=0,fixed=6.3.6,introduced=6.4rc1,fixed=7.0.4,introduced=7.1rc1,fixed=7.1.3,introduced=7.2rc1,fixed=7.2.2,introduced=7.3rc1,fixed=7.3.

**Is there a fix for CVE-2026-25517?** Yes. wagtail (PyPI): upgrade to 6.3.6, 7.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-25517?** Check whether you run wagtail (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- wagtail (PyPI): upgrade to 6.3.6, 7.3 or later

  ```sh
  pip install "wagtail>=7.3"
  ```


## Affected products

- wagtail (PyPI) ECOSYSTEM:introduced=0,fixed=6.3.6, ECOSYSTEM:introduced=0,fixed=6.3.6,introduced=6.4rc1,fixed=7.0.4,introduced=7.1rc1,fixed=7.1.3,introduced=7.2rc1,fixed=7.2.2,introduced=7.3rc1,fixed=7.3

## Identifiers

- CVE-2026-25517
- GHSA-4qvv-g3vr-m348
- PYSEC-2026-2030

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- [Wagtail reflected XSS in dynamic image URL generator](https://junglewise.ai/threats/cve-2026-54263-wagtail-reflected-xss-in-dynamic-image-url-generator)
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