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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Databend
  • Databend

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References
Link Providers
https://github.com/databendlabs/databend/issues/19930 cve-icon cve-icon
https://github.com/databendlabs/databend/pull/19931 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-13512 cve-icon cve-icon
https://vuldb.com/submit/838874 cve-icon cve-icon
https://vuldb.com/vuln/374520 cve-icon cve-icon
https://vuldb.com/vuln/374520/cti cve-icon cve-icon
History

Tue, 30 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 28 Jun 2026 23:00:00 +0000

Type Values Removed Values Added
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.
Title Databend Tenant client_session_manager.rs state_key authorization
First Time appeared Databend
Databend databend
Weaknesses CWE-285
CWE-639
CPEs cpe:2.3:a:databend:databend:*:*:*:*:*:*:*:*
Vendors & Products Databend
Databend databend
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'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/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-06-28T22:45:10.824Z

Updated: 2026-06-30T18:01:21.572Z

Reserved: 2026-06-28T06:31:32.823Z

Link: CVE-2026-13512

cve-icon Vulnrichment

Updated: 2026-06-30T18:00:55.463Z

cve-icon NVD

Status : Deferred

Published: 2026-06-28T23:16:48.487

Modified: 2026-06-30T18:16:43.397

Link: CVE-2026-13512

cve-icon Redhat

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