CVE-2026-13512CWE-285CWE-639

Databend Tenant client_session_manager.rs state_key authorization

Medium · published June 28, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
31.2
In the wild
Unconfirmed
What it is

A vulnerability was identified in Databend up to 1.2.881 on HTTP. This affects the function ClientSessionManager::state_key of the file src/query/service/src/servers/http/v1/session/client_session_manager.rs of the component Tenant Handler. The manipulation leads to authorization bypass. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The pull request to fix this issue awaits acceptance.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00384 · 31.2th percentile
Weaknesses
CWE-285 · Improper Authorization; CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-06-28T22:45Z
EPSS history
Timeline
  • 28 JUN 22:45Z
    Databend Tenant client_session_manager.rs state_key authorization
    cvelistv5