CVE-2026-126775

low

Description

Social-auth-core 4.7.0 before 7.0.0 contains a login cross-site request forgery vulnerability in the SAML backend that restores sessions named in the unsigned RelayState parameter. Attackers can deliver their own valid IdP response and RelayState to a victim's browser via an auto-submitting form, signing the victim into the attacker's account to capture entered data.

References

https://www.vulncheck.com/advisories/social-auth-core-4.7.0-before-7.0.0-login-csrf-via-saml-relaystate

https://github.com/python-social-auth/social-core/security/advisories/GHSA-4pv2-52v7-vrfx

https://github.com/python-social-auth/social-core/releases/tag/7.0.0

https://github.com/python-social-auth/social-core/pull/2167

https://github.com/python-social-auth/social-core/commit/7d9da571fc9ce8bd0003ccfcbfa8ed98c18bb640

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-123769

Details

Source: Mitre, NVD

Published: 2026-11-11

Updated: 2026-11-12

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.2

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 2.3

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: Low

EPSS

EPSS: 0.0014