CVE-2026-90562
published 2026-09-13CVE-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…
PriorityP261high8.1CVSS 3.1
AVNACHPRNUINSUCHIHAH
EPSS
0.42%
36.3th percentile
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.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| langbot-app | langbot | >= 4.0.8.1 < 4.10.11 | 4.10.11 |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.09.2CRITICALCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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GHSA
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.
ghsa_unreviewed·2026-09-13
CVE-2026-90562 [CRITICAL] CWE-331 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.
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.
VulDB
langbot-app LangBot up to 4.10.10 Password Recovery entropy
vuldb·2026-09-13·CVSS 8.1
CVE-2026-90562 [HIGH] langbot-app LangBot up to 4.10.10 Password Recovery entropy
A vulnerability classified as problematic was found in langbot-app LangBot up to 4.10.10. Affected is an unknown function of the component Password Recovery. Executing a manipulation can lead to insufficient entropy.
This vulnerability is registered as CVE-2026-90562. It is possible to launch the attack remotely. No exploit is available.
Upgrading the affected component is advised.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://github.com/langbot-app/LangBothttps://github.com/langbot-app/LangBot/blob/v4.10.2/src/langbot/pkg/api/http/controller/groups/user.pyhttps://github.com/langbot-app/LangBot/blob/v4.10.2/src/langbot/pkg/core/stages/genkeys.pyhttps://github.com/langbot-app/LangBot/commit/267232c24f93c515d6fd3f7f81c0676066ab1ab8https://github.com/langbot-app/LangBot/issues/2392https://www.vulncheck.com/advisories/langbot-before-4.10.11-authentication-bypass-via-weak-recovery-keyhttps://github.com/langbot-app/LangBot/issues/2392
2026-09-13
Published