Vulnerability · Published Dec 15, 2025 · Assigned by mitre
CVE-2025-65431
Medium 5.4
In plain English
A medium-severity improper authentication in the django-allauth package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 94.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An issue was discovered in allauth-django before 65.13.0. Both Okta and NetIQ were using preferred_username as the identifier for third-party provider accounts. That value may be mutable and should therefore be avoided for authorization decisions. The providers are now using sub instead.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | django-allauth | no fix listed | DEBIAN-CVE-2025-65431 |
| Debian:13 | django-allauth | no fix listed | DEBIAN-CVE-2025-65431 |
| Debian:14 | django-allauth | 65.15.0-1 | DEBIAN-CVE-2025-65431 |
| PyPI | django-allauth | 65.13.0 | GHSA-8m3c-c723-h4p4 |
| PyPI | django-allauth | 65.13.0 | PYSEC-2025-111 |
| Ubuntu:22.04:LTS | django-allauth | no fix listed | UBUNTU-CVE-2025-65431 |
| Ubuntu:24.04:LTS | django-allauth | no fix listed | UBUNTU-CVE-2025-65431 |
| Ubuntu:25.10 | django-allauth | no fix listed | UBUNTU-CVE-2025-65431 |
| Ubuntu:26.04:LTS | django-allauth | no fix listed | UBUNTU-CVE-2025-65431 |
| Ubuntu:26.10 | django-allauth | no fix listed | UBUNTU-CVE-2025-65431 |
Affected products (as reported)
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N