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Medium · 5.3 CVE-2026-9091 EUVD-2026-32942GHSA-gv4m-v8c8-hr3gGO-2026-5896

CVE-2026-9091

Published May 28, 2026 · Updated May 29, 2026 · Assigned by certcc

Description

Casdoor versions 2.362.0 and earlier contain a logic flaw in the social‑login binding flow that allows users to bypass configured MFA requirements. The binding‑rule code path in controllers/auth.go calls HandleLoggedIn directly without invoking checkMfaEnable. Any user authenticating via this path is logged in without MFA enforcement.

Affected products

VendorProductAffectedFixed
Casdoor Casdoor ≤ 2.362.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260723T184607-160000.1.1 openSUSE-SU-2026:21483-1

Affected packages

EcosystemPackageAffectedFixedRecord
Go github.com/casdoor/casdoor <= 1.1000.1-0.20260321120606-239e8bd69487 — GHSA-gv4m-v8c8-hr3g
Go github.com/casdoor/casdoor all versions — GO-2026-5896

Advisories 1

References