Critical severity9.8NVD Advisory· Published Jul 29, 2025· Updated Jun 17, 2026
CVE-2025-53102
CVE-2025-53102
Description
Discourse is an open-source community discussion platform. Prior to version 3.4.7 on the stable branch and version 3.5.0.beta.8 on the tests-passed branch, upon issuing a physical security key for 2FA, the server generates a WebAuthn challenge, which the client signs. The challenge is not cleared from the user’s session after authentication, potentially allowing reuse and increasing security risk. This is fixed in versions 3.4.7 and 3.5.0.beta.8.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
12cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*+ 10 more
- cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*range: <=3.5.0
- cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*range: <3.4.6
- cpe:2.3:a:discourse:discourse:3.5.0:beta1:*:*:beta:*:*:*
- cpe:2.3:a:discourse:discourse:3.5.0:beta2:*:*:beta:*:*:*
- cpe:2.3:a:discourse:discourse:3.5.0:beta3:*:*:beta:*:*:*
- cpe:2.3:a:discourse:discourse:3.5.0:beta4:*:*:beta:*:*:*
- cpe:2.3:a:discourse:discourse:3.5.0:beta5:*:*:beta:*:*:*
- cpe:2.3:a:discourse:discourse:3.5.0:beta6:*:*:beta:*:*:*
- cpe:2.3:a:discourse:discourse:3.5.0:beta7:*:*:beta:*:*:*
- (no CPE)range: <3.4.7, <3.5.0.beta.8
- (no CPE)range: >= 3.5.0.beta1, < 3.5.0.beta.8
Patches
Vulnerability mechanics
References
3News mentions
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