CVE-2026-90562
LangBot before 4.10.11 Authentication Bypass via Weak Recovery Key
CVSS v3
8.1
HIGH
EPSS Score
0.7 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2026-09-13
- Last Modified
- 2026-09-13
Frequently asked questions
What is CVE-2026-90562?
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.
Is CVE-2026-90562 actively exploited?
Active exploitation of CVE-2026-90562 has not been confirmed. Its EPSS score was 0.7% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-90562?
CVE-2026-90562 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2026-90562 affecting your environment?
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