Medium 6.3Published Jun 28, 2026

CVE-2026-13512Databend Tenant client_session_manager.rs state_key authorization

Updated under an hour ago (Oct 28, 2026, 5:50 AM ET)

Does this affect you?

It affects n/a Databend. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for n/a Databend

Exploited in the last 30 days

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.

CVSS: 6.3 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-639, CWE-285
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jun 30, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a Databend databend:databend	1.2.881	CNA record

References

References

https://vuldb.com/vuln/374520	vdb-entry, technical-description
https://vuldb.com/vuln/374520/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-13512	third-party-advisory
https://vuldb.com/submit/838874	third-party-advisory
https://github.com/databendlabs/databend/issues/19930	exploit, issue-tracking
https://github.com/databendlabs/databend/pull/19931	issue-tracking, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.