CVE-2026-90562 LangBot - Authentication Bypass

LangBot < 4.10.11 contains a broken authentication caused by weak password recovery keys with 24 bits entropy and no rate limiting on reset-password endpoint, letting remote attackers exhaust keyspace and gain admin access, exploit requires knowing admin email.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.73% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
13 September 2026
Updated
15 October 2026
Weakness
CWE-331

Vendor fix

Update to version 4.10.11 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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