CVE-2026-77582: Tinyauth: User enumeration attack by timing oracle
It’s possible to enumerate users through a timing oracle. In other words: I can easily check if a username exists or not by observing the timing differences between logins.
References
- github.com/advisories/GHSA-456h-ww26-f758
- github.com/tinyauthapp/tinyauth/commit/c22925c2fba981875d0a2b09dd3ee41c0ae4c310
- github.com/tinyauthapp/tinyauth/pull/1004
- github.com/tinyauthapp/tinyauth/releases/tag/v5.1.0
- github.com/tinyauthapp/tinyauth/security/advisories/GHSA-456h-ww26-f758
- nvd.nist.gov/vuln/detail/CVE-2026-77582
Code Behaviors & Features
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