What is CVE-2026-27982?

CVE-2026-27982 is a medium-severity vulnerability in Allauth, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-03-05.

How severe is CVE-2026-27982?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Allauth

CVE-2026-27982

An open redirect vulnerability exists in django-allauth versions prior to 65.14.1 when SAML IdP initiated SSO is enabled (it is disabled by default), which may allow an attacker to redirect users to an arbitrary external website via a crafted URL.

Vulnerability class: Open Redirect

Published 2026-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Allauth
Allauth Django-Allauth — versions prior to 65.14.1

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

allauth.org/news/2026/02/django-allauth-65.14.1-released/ (Release Notes)
jvn.jp/en/jp/JVN23669411/ (Third Party Advisory)

Frequently asked questions

What is CVE-2026-27982?: CVE-2026-27982 is a medium-severity vulnerability in Allauth, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-03-05.
How severe is CVE-2026-27982?: Medium severity. CVSS v3 base score is 6.1 out of 10.