157 lines
7.5 KiB
JSON
157 lines
7.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-76277",
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"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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"state": "PUBLISHED",
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"assignerShortName": "cisco",
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"dateReserved": "2026-08-19T12:02:03.621Z",
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"datePublished": "2026-10-07T20:46:35.907Z",
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"dateUpdated": "2026-10-08T15:06:09.743Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"product": "Splunk Enterprise",
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"vendor": "Splunk",
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"versions": [
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{
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"version": "10.4",
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"status": "affected",
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"versionType": "custom",
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"lessThan": "10.4.3"
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},
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{
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"version": "10.2",
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"status": "affected",
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"versionType": "custom",
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"lessThan": "10.2.7"
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},
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{
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"version": "10.0",
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"status": "affected",
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"versionType": "custom",
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"lessThan": "10.0.10"
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},
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{
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"version": "9.4",
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"status": "affected",
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"versionType": "custom",
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"lessThan": "9.4.15"
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}
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],
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"modules": [
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"REST API"
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/markdown",
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"value": "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."
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}
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],
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"value": "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."
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}
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],
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"references": [
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{
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"url": "https://advisory.splunk.com/advisories/SVD-2026-1001"
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}
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],
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"title": "Improper Input Validation of Native Splunk Usernames through the REST API in Splunk Enterprise",
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"datePublic": "2026-10-07T00:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "cwe",
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"cweId": "CWE-20",
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"description": "The product does not validate or incorrectly validates input that can affect the control flow or data flow of a program."
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}
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]
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}
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],
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"source": {
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"advisory": "SVD-2026-1001",
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"discovery": "INTERNAL"
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},
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"providerMetadata": {
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"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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"shortName": "cisco",
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"dateUpdated": "2026-10-07T20:46:35.907Z"
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},
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"metrics": [
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{
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"cvssV3_1": {
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L",
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"version": "3.1",
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"baseScore": 4.1,
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"baseSeverity": "MEDIUM"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Upgrade Splunk Enterprise to versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15, or higher."
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Gabriel Nitu, Splunk",
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"type": "finder"
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}
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]
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-10-08T15:05:55.710479Z",
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"id": "CVE-2026-76277",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-10-08T15:06:09.743Z"
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}
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}
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]
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}
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} |