{"id":"CVE-2026-76524","state":"PUBLISHED","title":"Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability","description":"A vulnerability in the control channel socket implementation of Open Source Snort 3 could allow an authenticated, local attacker with low privileges to execute arbitrary commands as the Snort 3 process user.\r\n\r\nThis vulnerability is due to a lack of authentication when a local user connects to the Snort control channel socket. An attacker could exploit this vulnerability by connecting to the Snort 3 control channel socket as a local user. A successful exploit could allow the attacker to execute arbitrary commands as well as read and write Snort 3 process memory.","publishedAt":"2026-10-21T16:18:12.052Z","updatedAt":"2026-10-22T13:37:52.029Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco Open Source Snort3"],"affected":[{"vendor":"Cisco","product":"Cisco Open Source Snort3","defaultStatus":"unknown","versions":[{"version":"3.12.2.0","status":"affected"},{"version":"3.1.2.0","status":"affected"},{"version":"3.1.3.0","status":"affected"},{"version":"3.1.4.0","status":"affected"},{"version":"3.1.5.0","status":"affected"},{"version":"3.1.6.0","status":"affected"},{"version":"3.1.7.0","status":"affected"},{"version":"3.1.8.0","status":"affected"},{"version":"3.1.9.0","status":"affected"},{"version":"3.1.10.0","status":"affected"},{"version":"3.1.12.0","status":"affected"},{"version":"3.1.13.0","status":"affected"},{"version":"3.1.14.0","status":"affected"},{"version":"3.1.15.0","status":"affected"},{"version":"3.1.16.0","status":"affected"},{"version":"3.1.17.0","status":"affected"},{"version":"3.1.18.0","status":"affected"},{"version":"3.1.19.0","status":"affected"},{"version":"3.1.20.0","status":"affected"},{"version":"3.1.21.0","status":"affected"},{"version":"3.1.22.0","status":"affected"},{"version":"3.1.23.0","status":"affected"},{"version":"3.1.24.0","status":"affected"},{"version":"3.1.25.0","status":"affected"},{"version":"3.1.27.0","status":"affected"},{"version":"3.1.28.0","status":"affected"},{"version":"3.1.29.0","status":"affected"},{"version":"3.1.30.0","status":"affected"},{"version":"3.1.31.0","status":"affected"},{"version":"3.1.32.0","status":"affected"},{"version":"3.1.36.0","status":"affected"},{"version":"3.1.38.0","status":"affected"},{"version":"3.1.39.0","status":"affected"},{"version":"3.1.40.0","status":"affected"},{"version":"3.1.41.0","status":"affected"},{"version":"3.1.42.0","status":"affected"},{"version":"3.1.43.0","status":"affected"},{"version":"3.1.45.0","status":"affected"},{"version":"3.1.47.0","status":"affected"},{"version":"3.1.48.0","status":"affected"},{"version":"3.1.50.0","status":"affected"},{"version":"3.1.51.0","status":"affected"},{"version":"3.1.52.0","status":"affected"},{"version":"3.1.53.0","status":"affected"},{"version":"3.1.55.0","status":"affected"},{"version":"3.1.56.0","status":"affected"},{"version":"3.1.57.0","status":"affected"},{"version":"3.1.58.0","status":"affected"},{"version":"3.1.59.0","status":"affected"},{"version":"3.1.60.0","status":"affected"},{"version":"3.1.61.0","status":"affected"},{"version":"3.1.62.0","status":"affected"},{"version":"3.1.63.0","status":"affected"},{"version":"3.1.64.0","status":"affected"},{"version":"3.1.65.0","status":"affected"},{"version":"3.1.66.0","status":"affected"},{"version":"3.1.67.0","status":"affected"},{"version":"3.1.69.0","status":"affected"},{"version":"3.1.70.0","status":"affected"},{"version":"3.1.71.0","status":"affected"},{"version":"3.1.72.0","status":"affected"},{"version":"3.1.73.0","status":"affected"},{"version":"3.1.74.0","status":"affected"},{"version":"3.1.75.0","status":"affected"},{"version":"3.1.76.0","status":"affected"},{"version":"3.1.77.0","status":"affected"},{"version":"3.1.78.0","status":"affected"},{"version":"3.1.81.0","status":"affected"},{"version":"3.1.82.0","status":"affected"},{"version":"3.1.83.0","status":"affected"},{"version":"3.1.84.0","status":"affected"},{"version":"3.2.1.0","status":"affected"},{"version":"3.2.2.0","status":"affected"},{"version":"3.3.0.0","status":"affected"},{"version":"3.3.1.0","status":"affected"},{"version":"3.3.2.0","status":"affected"},{"version":"3.3.3.0","status":"affected"},{"version":"3.3.4.0","status":"affected"},{"version":"3.3.5.0","status":"affected"},{"version":"3.3.7.0","status":"affected"},{"version":"3.5.0.0","status":"affected"},{"version":"3.5.1.0","status":"affected"},{"version":"3.8.1.0","status":"affected"},{"version":"3.6.0.0","status":"affected"},{"version":"3.6.2.0","status":"affected"},{"version":"3.9.3.0","status":"affected"},{"version":"3.7.2.0","status":"affected"},{"version":"3.7.0.0","status":"affected"},{"version":"3.9.6.0","status":"affected"},{"version":"3.10.0.0","status":"affected"},{"version":"3.10.2.0","status":"affected"},{"version":"3.7.4.0","status":"affected"},{"version":"3.9.0.0","status":"affected"},{"version":"3.5.2.0","status":"affected"},{"version":"3.12.1.0","status":"affected"},{"version":"3.6.1.0","status":"affected"},{"version":"3.9.2.0","status":"affected"},{"version":"3.6.3.0","status":"affected"},{"version":"3.9.5.0","status":"affected"},{"version":"3.7.1.0","status":"affected"},{"version":"3.9.7.0","status":"affected"},{"version":"3.7.3.0","status":"affected"},{"version":"3.10.1.0","status":"affected"},{"version":"3.9.1.0","status":"affected"},{"version":"3.11.1.0","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-opensrc-snort3-2fXGJPfe"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76524.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76524","state":"PUBLISHED","datePublished":"2026-10-21T16:18:12.052Z","dateUpdated":"2026-10-22T13:37:52.029Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2026-08-19T12:02:03.643Z"},"containers":{"cna":{"title":"Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability","descriptions":[{"lang":"en","value":"A vulnerability in the control channel socket implementation of Open Source Snort 3 could allow an authenticated, local attacker with low privileges to execute arbitrary commands as the Snort 3 process user.\r\n\r\nThis vulnerability is due to a lack of authentication when a local user connects to the Snort control channel socket. An attacker could exploit this vulnerability by connecting to the Snort 3 control channel socket as a local user. A successful exploit could allow the attacker to execute arbitrary commands as well as read and write Snort 3 process memory."}],"affected":[{"vendor":"Cisco","product":"Cisco Open Source Snort3","defaultStatus":"unknown","versions":[{"version":"3.12.2.0","status":"affected"},{"version":"3.1.2.0","status":"affected"},{"version":"3.1.3.0","status":"affected"},{"version":"3.1.4.0","status":"affected"},{"version":"3.1.5.0","status":"affected"},{"version":"3.1.6.0","status":"affected"},{"version":"3.1.7.0","status":"affected"},{"version":"3.1.8.0","status":"affected"},{"version":"3.1.9.0","status":"affected"},{"version":"3.1.10.0","status":"affected"},{"version":"3.1.12.0","status":"affected"},{"version":"3.1.13.0","status":"affected"},{"version":"3.1.14.0","status":"affected"},{"version":"3.1.15.0","status":"affected"},{"version":"3.1.16.0","status":"affected"},{"version":"3.1.17.0","status":"affected"},{"version":"3.1.18.0","status":"affected"},{"version":"3.1.19.0","status":"affected"},{"version":"3.1.20.0","status":"affected"},{"version":"3.1.21.0","status":"affected"},{"version":"3.1.22.0","status":"affected"},{"version":"3.1.23.0","status":"affected"},{"version":"3.1.24.0","status":"affected"},{"version":"3.1.25.0","status":"affected"},{"version":"3.1.27.0","status":"affected"},{"version":"3.1.28.0","status":"affected"},{"version":"3.1.29.0","status":"affected"},{"version":"3.1.30.0","status":"affected"},{"version":"3.1.31.0","status":"affected"},{"version":"3.1.32.0","status":"affected"},{"version":"3.1.36.0","status":"affected"},{"version":"3.1.38.0","status":"affected"},{"version":"3.1.39.0","status":"affected"},{"version":"3.1.40.0","status":"affected"},{"version":"3.1.41.0","status":"affected"},{"version":"3.1.42.0","status":"affected"},{"version":"3.1.43.0","status":"affected"},{"version":"3.1.45.0","status":"affected"},{"version":"3.1.47.0","status":"affected"},{"version":"3.1.48.0","status":"affected"},{"version":"3.1.50.0","status":"affected"},{"version":"3.1.51.0","status":"affected"},{"version":"3.1.52.0","status":"affected"},{"version":"3.1.53.0","status":"affected"},{"version":"3.1.55.0","status":"affected"},{"version":"3.1.56.0","status":"affected"},{"version":"3.1.57.0","status":"affected"},{"version":"3.1.58.0","status":"affected"},{"version":"3.1.59.0","status":"affected"},{"version":"3.1.60.0","status":"affected"},{"version":"3.1.61.0","status":"affected"},{"version":"3.1.62.0","status":"affected"},{"version":"3.1.63.0","status":"affected"},{"version":"3.1.64.0","status":"affected"},{"version":"3.1.65.0","status":"affected"},{"version":"3.1.66.0","status":"affected"},{"version":"3.1.67.0","status":"affected"},{"version":"3.1.69.0","status":"affected"},{"version":"3.1.70.0","status":"affected"},{"version":"3.1.71.0","status":"affected"},{"version":"3.1.72.0","status":"affected"},{"version":"3.1.73.0","status":"affected"},{"version":"3.1.74.0","status":"affected"},{"version":"3.1.75.0","status":"affected"},{"version":"3.1.76.0","status":"affected"},{"version":"3.1.77.0","status":"affected"},{"version":"3.1.78.0","status":"affected"},{"version":"3.1.81.0","status":"affected"},{"version":"3.1.82.0","status":"affected"},{"version":"3.1.83.0","status":"affected"},{"version":"3.1.84.0","status":"affected"},{"version":"3.2.1.0","status":"affected"},{"version":"3.2.2.0","status":"affected"},{"version":"3.3.0.0","status":"affected"},{"version":"3.3.1.0","status":"affected"},{"version":"3.3.2.0","status":"affected"},{"version":"3.3.3.0","status":"affected"},{"version":"3.3.4.0","status":"affected"},{"version":"3.3.5.0","status":"affected"},{"version":"3.3.7.0","status":"affected"},{"version":"3.5.0.0","status":"affected"},{"version":"3.5.1.0","status":"affected"},{"version":"3.8.1.0","status":"affected"},{"version":"3.6.0.0","status":"affected"},{"version":"3.6.2.0","status":"affected"},{"version":"3.9.3.0","status":"affected"},{"version":"3.7.2.0","status":"affected"},{"version":"3.7.0.0","status":"affected"},{"version":"3.9.6.0","status":"affected"},{"version":"3.10.0.0","status":"affected"},{"version":"3.10.2.0","status":"affected"},{"version":"3.7.4.0","status":"affected"},{"version":"3.9.0.0","status":"affected"},{"version":"3.5.2.0","status":"affected"},{"version":"3.12.1.0","status":"affected"},{"version":"3.6.1.0","status":"affected"},{"version":"3.9.2.0","status":"affected"},{"version":"3.6.3.0","status":"affected"},{"version":"3.9.5.0","status":"affected"},{"version":"3.7.1.0","status":"affected"},{"version":"3.9.7.0","status":"affected"},{"version":"3.7.3.0","status":"affected"},{"version":"3.10.1.0","status":"affected"},{"version":"3.9.1.0","status":"affected"},{"version":"3.11.1.0","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-opensrc-snort3-2fXGJPfe","name":"cisco-sa-opensrc-snort3-2fXGJPfe"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"Missing Authentication for Critical Function","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-10-21T16:18:12.052Z"},"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}],"source":{"advisory":"cisco-sa-opensrc-snort3-2fXGJPfe","discovery":"EXTERNAL","defects":["CSCwv48789"]}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-76524","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-21T17:12:12.638552Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-22T13:37:52.029Z"}}]}}}