CVE-2026-9742CWE-1287

Authenticate command with specific mechanism parameter can trigger server crash

High · published June 9, 2026

CVSS v4.0
8.2
EPSS
1%
Percentile
42.3
In the wild
Unconfirmed
What it is

When OIDC authentication is enabled in configuration, clients may set specific values in the "mechanism" parameter of the "authenticate" command that lead to server crash. The authenticate command is accessible to unauthenticated clients, leading to pre-auth denial-of-service in affected product configurations.

The record
Technical detail
CVSS v4.0
8.2 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00506 · 42.3th percentile
Weakness
CWE-1287 · Improper Validation of Specified Type of Input
Published
2026-06-09T21:57Z
EPSS history
Timeline
  • 09 JUN 21:57Z
    Authenticate command with specific mechanism parameter can trigger server crash
    cvelistv5