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.

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History

Sun, 13 Sep 2026 11:00:00 +0000

Type Values Removed Values Added
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.
Title LangBot before 4.10.11 Authentication Bypass via Weak Recovery Key
First Time appeared Langbot
Langbot langbot
Weaknesses CWE-331
CPEs cpe:2.3:a:langbot:langbot:*:*:*:*:*:*:*:*
Vendors & Products Langbot
Langbot langbot
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-13T10:45:36.684Z

Reserved: 2026-09-12T11:13:43.327Z

Link: CVE-2026-90562

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-13T11:17:00.780

Modified: 2026-09-13T11:17:00.780

Link: CVE-2026-90562

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses