CVE-2026-126777

HighCVSS 7.4/10Last modified Nov 11, 2026

Description

Traccar 3.15 before 6.17.0 contains an authentication bypass vulnerability in LdapProvider.login() that fails to reject empty passwords, causing LDAP binds to be performed as unauthenticated binds when LDAP authentication is enabled. Unauthenticated attackers who know a valid username can log in via POST /api/session or HTTP Basic authentication with an empty password against directories that permit unauthenticated binds, obtaining sessions for any account including administrators.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-287

Affected software

Vendor	Product	Versions
Traccar	Traccar	>= 3.15, < 6.17.0

References

Timeline

Published: Nov 11, 2026
Last modified: Nov 11, 2026
NVD status: Deferred

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