CVE-2026-97764

Summary

django-allauth before 65.19.4 does not have the expected limits on failed login attempts because, in some common configurations, an attacker can leverage the handling of diacritics (e.g., accents) for a higher effective limit.

Affected Software

Weaknesses

• CWE-180: CWE-180 Incorrect Behavior Order: Validate Before Canonicalize

Workarounds

The vulnerability is NOT exposed if any of the following settings is enabled.

65.4 and later: ACCOUNT_LOGIN_METHODS = {"email"}

65.3 and earlier: ACCOUNT_AUTHENTICATION_METHOD = "email"

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://docs.allauth.org/en/latest/release-notes/recent.html
• https://pypi.org/project/django-allauth/
• https://codeberg.org/allauth/django-allauth/commit/4379e7931fe7572aacc4f3b4b5f2298d5f3ecc96
• https://codeberg.org/allauth/django-allauth/commit/4e252aa2be7cef5d72d78049d6fb07cb27a89c83
• https://codeberg.org/allauth/django-allauth/commit/ae472772c8f93bcb972205c9d7159051cf6f413a

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