Improper Authentication Affecting oauthenticator package, versions [,17.4.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PYTHON-OAUTHENTICATOR-15907926
- published5 Apr 2026
- disclosed3 Apr 2026
- creditJay Neiva, Pr00fOf3xpl0it
Introduced: 3 Apr 2026
CVE-2026-33175 (opens in a new tab)How to fix?
Upgrade oauthenticator to version 17.4.0 or higher.
Overview
Affected versions of this package are vulnerable to Improper Authentication via the authentication when username_claim is set to email and email verification is not enforced. An attacker can gain unauthorized access and potentially take over accounts by using an unverified email address on an Auth0 tenant.