Auth bypass in Bestpractical Rt

CVE-2026-41076

RT is an open source, enterprise-grade issue and ticket tracking system. Versions 5.0.9 and prior in addition to 6.0.0 through 6.0.2 contain an authentication bypass vulnerability in RT installations that use LDAP/AD for user authenticatio…

Vulnerability class: Broken Authentication

EPSS: 0.001 (21.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41076?
CVE-2026-41076 is a high-severity vulnerability in Bestpractical Rt, classified under Improper Authentication. CVSS score: 8.1/10. Published 2026-05-22.
How severe is CVE-2026-41076?
High severity. CVSS v3 base score is 8.1 out of 10.