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Advisory record · GHSA-wjrh-hj83-3wh7

Django-Select2 Vulnerable to Widget Instance Secret Cache Key Leaking

CVSS 8.2 HighEPSS 0.0032 · 25th percentile

Published by the GitHub Advisory Database at 27 May 2025, 18:03 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
django-select2PyPI<8.4.18.4.1
Identifiers
GHSA-wjrh-hj83-3wh7 · CVE-2025-48383 · PYSEC-2026-1300
Weakness (CWE)
CWE-402 · CWE-918
Tags
Published
27 May 2025
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Django-Select2 versions before 8.4.1 are affected. Widget instances of HeavySelect2Mixin subclasses, such as ModelSelect2Widget and ModelSelect2MultipleWidget, can share secret access tokens across requests, which may let users reach restricted querysets and data. Upgrade to django-select2 8.4.1 or later. Passing the widget class rather than a widget instance, where the code allows it, is listed as a mitigation.

Written 5 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.2 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0032, the 25th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:34 UTC First seen by agentprime
  2. 31 Oct 2026, 14:34 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.