Medium severityGHSA Advisory· Published Jul 20, 2026· Updated Jul 23, 2026
CVE-2026-46715
CVE-2026-46715
Description
Flask-Security-Too allows users to add security features to their Flask applicationa. Version 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an already-authenticated but stale victim session, they can complete OAuth verification using their own OAuth identity. The victim session is then treated as recently reauthenticated, allowing freshness-protected account actions to proceed. Version 5.8.1 contains a fix for this issue.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Flask-Security-TooPyPI | >= 5.8.0, < 5.8.1 | 5.8.1 |
Affected products
1- Range: >= 5.8.0, < 5.8.1
Patches
Vulnerability mechanics
References
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