cvedb.io
CVE-2026-53646
UNKNOWN · CVSS n/a
EPSS exploitation probability: 0%
Published 2026-07-06T23:16:56.683 · Last modified 2026-07-06T23:16:56.683

Summary

FOSSBilling is a free, open-source billing and client management system. In versions 0.5.6 through 0.7.2, when a `ClientPasswordReset` record already exists for a client (from a previous unexpired reset request), subsequent calls to the `reset_password` guest API endpoint reuse the existing token instead of generating a new one. The 15-minute validity window is anchored to the first request's `created_at` timestamp, not the time of the most recent email. An attacker who obtained the original reset link remains able to use it even after the victim requests a new reset, because the original token is never invalidated or rotated. Version 0.8.0 patches the issue. Some workarounds are available. Configure a reverse proxy (e.g., Nginx, Apache, Cloudflare) to apply per-IP rate limiting to the `/c

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.