cvedb.io
CVE-2026-43926
UNKNOWN · CVSS n/a
EPSS exploitation probability: 0%
Published 2026-06-04T14:16:41.193 · Last modified 2026-06-17T10:50:04.983

Summary

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the password reset confirmation endpoint `/client/reset-password-confirm/:hash` is handled by a non-API controller and is not covered by FOSSBilling's rate limiter, which only applies to `/api/*` routes. This allows an attacker to probe the endpoint for valid reset tokens without any per-IP request limiting, attempt counting, or lockout mechanism. The endpoint acts as an oracle, returning a distinguishable response for valid versus invalid tokens (HTTP 200 vs HTTP 302 redirect). An attacker can submit unlimited token guesses to the password reset confirmation endpoint with no throttling applied. However, practical exploitability is significantly mitigated by the current token generation, which

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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.