{"id":"CVE-2026-76264","state":"PUBLISHED","title":"Improper Authorization through the REST API in Splunk Enterprise","description":"In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.10, and 9.4.15, a user who does not hold the \"admin\" or \"power\" Splunk roles could create or edit scripted lookup definitions through raw configuration endpoints. The vulnerability is possible because raw transforms configuration write paths do not apply external lookup capability checks before saving scripted lookup settings.","publishedAt":"2026-10-07T20:46:28.292Z","updatedAt":"2026-10-10T02:44:28.288Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","source":"cisco"},"assigner":"cisco","products":["Splunk Splunk Enterprise"],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.4","status":"affected","lessThan":"10.4.2","versionType":"custom"},{"version":"10.2","status":"affected","lessThan":"10.2.6","versionType":"custom"},{"version":"10.0","status":"affected","lessThan":"10.0.10","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.15","versionType":"custom"}],"modules":["REST API"]}],"references":["https://advisory.splunk.com/advisories/SVD-2026-1001"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76264.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76264","state":"PUBLISHED","datePublished":"2026-10-07T20:46:28.292Z","dateUpdated":"2026-10-10T02:44:28.288Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2026-08-19T12:02:03.620Z"},"containers":{"cna":{"title":"Improper Authorization through the REST API in Splunk Enterprise","descriptions":[{"lang":"en","value":"In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.10, and 9.4.15, a user who does not hold the \"admin\" or \"power\" Splunk roles could create or edit scripted lookup definitions through raw configuration endpoints. The vulnerability is possible because raw transforms configuration write paths do not apply external lookup capability checks before saving scripted lookup settings."}],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.4","status":"affected","lessThan":"10.4.2","versionType":"custom"},{"version":"10.2","status":"affected","lessThan":"10.2.6","versionType":"custom"},{"version":"10.0","status":"affected","lessThan":"10.0.10","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.15","versionType":"custom"}],"modules":["REST API"]}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1001"}],"metrics":[{"cvssV3_1":{"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1","baseScore":4.3,"baseSeverity":"MEDIUM"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","type":"cwe","description":"The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions."}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-10-07T20:46:28.292Z"},"datePublic":"2026-10-07T00:00:00.000Z","source":{"advisory":"SVD-2026-1001","discovery":""},"solutions":[{"lang":"en","value":"Upgrade Splunk Enterprise to versions 10.4.3, 10.2.7, 10.0.10, and 9.4.15, or higher.\n\nAfter upgrading, set `scripted_lookup_raw_write_enforcement = block` in the `limits.conf` configuration file under [lookup], and then restart Splunk Enterprise. For more information see [Configuration file reference](https://help.splunk.com/en/splunk-enterprise/administer/admin-manual/10.2/configuration-file-reference/10.2.7-configuration-file-reference/limits%2Econf) in the Splunk documentation."}],"credits":[{"lang":"en","value":"M Mahdan Argya Syarif (0xbeludan)","type":"reporter"},{"lang":"en","value":"Saidina Hikam (xzyhellsing)","type":"reporter"},{"lang":"en","value":"Alex Hordijk (hordalex)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-10T02:44:20.249009Z","id":"CVE-2026-76264","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-10T02:44:28.288Z"}}]}}}