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

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

Wagtail has improper permission handling on admin preview endpoints

Technologies: wagtail (PyPI). 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
    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

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.