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Fencer Vulns
medium 5.4

CVE-2025-65431 json

django-allauth's Okta and NetIQ implementations used a mutable identifier for authorization decisions

published 2025-12-15 10 mo ago modified 2026-10-14 26 d ago also GHSA-8m3c-c723-h4p4 , PYSEC-2025-111 , EUVD-2025-203376

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi django-allauth 65.13.0
  • allauth allauth 65.13.0
  • django-allauth Debian 14 65.15.0-1

debian advisories DEBIAN-CVE-2025-65431

  • python-django-allauth openSUSE Tumbleweed 65.16.1-2.1

opensuse advisories openSUSE-SU-2026:10680-1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
10 mo ago

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
OSV 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi django-allauth
<65.13.0
65.13.0

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.