{"id":"CVE-2026-13512","title":"A vulnerability was identified in Databend up to 1.2.881 on HTTP","summary":"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 Handl…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-285","CWE-639"],"published":"2026-06-28","updated":"2026-06-28","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-13512","references":[{"url":"https://github.com/databendlabs/databend/issues/19930","label":"cna@vuldb.com"},{"url":"https://github.com/databendlabs/databend/pull/19931","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-13512","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/838874","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/374520","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/374520/cti","label":"cna@vuldb.com"}],"tags":["nvd"],"ingestedAt":"2026-06-29T13:42:12.279Z","epss":0.00384,"epssPercentile":0.29615,"slug":"CVE-2026-13512","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}