CVE-2026-90562

High

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.

SeverityHigh

CVSS8.1

Exploit probability—

ProductLangBot

PublishedSep 13, 2026

First seenSep 13, 2026

Weakness typeCWE-331CWE-331

How to fix

Update

langbot-app LangBot4.10.11 or later

Patches

github.com/langbot-app/LangBot/commit/267232c24f93c515d6fd3f7f81c0676066ab1ab8

Affected products

Product	Affected versions	Fixed in
langbot-app LangBot	4.0.8.1 ≤ v < 4.10.11	4.10.11

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