CVE-2026-13512

medium

Description

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.

References

https://vuldb.com/vuln/374520/cti

https://vuldb.com/vuln/374520

https://vuldb.com/submit/838874

https://vuldb.com/cve/CVE-2026-13512

https://github.com/databendlabs/databend/pull/19931

https://github.com/databendlabs/databend/issues/19930

Details

Source: Mitre, NVD

Published: 2026-06-28

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 5.3

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

Severity: Medium

EPSS

EPSS: 0.0022