Vulnerability Description
LangBot before 4.10.11 generates password recovery keys with only 24 bits of entropy and applies no rate limiting to the unauthenticated reset-password endpoint. Remote attackers knowing the administrator email can exhaust the keyspace through concurrent requests to reset the admin password and gain account access.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/langbot-app/LangBot
- https://github.com/langbot-app/LangBot/blob/v4.10.2/src/langbot/pkg/api/http/con
- https://github.com/langbot-app/LangBot/blob/v4.10.2/src/langbot/pkg/core/stages/
- https://github.com/langbot-app/LangBot/commit/267232c24f93c515d6fd3f7f81c0676066
- https://github.com/langbot-app/LangBot/issues/2392
- https://www.vulncheck.com/advisories/langbot-before-4.10.11-authentication-bypas
- https://github.com/langbot-app/LangBot/issues/2392
FAQ
What is CVE-2026-90562?
CVE-2026-90562 is a vulnerability with a CVSS score of 8.1 (HIGH). LangBot before 4.10.11 generates password recovery keys with only 24 bits of entropy and applies no rate limiting to the unauthenticated reset-password endpoint. Remote attackers knowing the administr...
How severe is CVE-2026-90562?
CVE-2026-90562 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-90562?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.