{"id":"CVE-2026-76277","revision":"fe892164c76a4b3dbc3f5e8034f66e1c","records":[{"revision":"fe892164c76a4b3dbc3f5e8034f66e1c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-76277","aliases":[],"title":"Improper Input Validation of Native Splunk Usernames through the REST API in Splunk Enterprise","description":"In Splunk Enterprise versions below 10.4.3, 10.2.7, 10.0.10, and 9.4.15, a user that holds a role with the edit_user capability could create a native Splunk username that ends with a period. The vulnerability is possible because username validation does not reject a trailing period before the username is used for a user directory. This can cause distinct native Splunk usernames to share per-user configuration data, and user-management operations can affect the wrong account or fail. For more information see Set up native Splunk authentication (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.4/use-the-native-splunk-platform-authentication-scheme/set-up-native-splunk-authentication) and Define roles on the Splunk platform with capabilities (https://help.splunk.com/en/splunk-enterprise/administer/manage-users-and-security/10.4/manage-splunk-platform-users-and-roles/define-roles-on-the-splunk-platform-with-capabilities) in the Splunk documentation.","state":0,"publishedAt":"2026-10-07T20:46:35.907+00:00","modifiedAt":"2026-10-08T15:06:09.743+00:00","affected":[{"ecosystem":"Vendor product","name":"Splunk Enterprise","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Splunk Enterprise\",\n                    \"vendor\": \"Splunk\",\n                    \"versions\": [\n                        {\n                            \"version\": \"10.4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"10.4.3\"\n                        },\n                        {\n                            \"version\": \"10.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"10.2.7\"\n                        },\n                        {\n                            \"version\": \"10.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"10.0.10\"\n                        },\n                        {\n                            \"version\": \"9.4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"9.4.15\"\n                        }\n                    ],\n                    \"modules\": [\n                        \"REST API\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","score":4.1,"severity":"MEDIUM"}],"references":["https://advisory.splunk.com/advisories/SVD-2026-1001"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-76277","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-76277","identifiers":["CVE-2026-76277"]},"retained":false,"historicalAffected":[]}],"coverage":[]}