{"id":"CVE-2026-20191","title":"A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container.&nbsp;\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input","summary":"A vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container.&nbsp;\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attack…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-22"],"vendor":"cisco","product":"catalyst_center","affected":["catalyst_center >= 2.3.7.0, <= 2.3.7.11","catalyst_center >= 3.1.3, < 3.1.6-75524.200","catalyst_center_global_manager < 1.4.1"],"patched":["catalyst_center 3.1.6-75524.200","catalyst_center_global_manager 1.4.1"],"published":"2026-07-01","updated":"2026-09-17","sourceUpdated":"2026-09-17T19:41:27.380","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-20191","references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catc-file-read-wLH2vf8X","label":"psirt@cisco.com"},{"url":"https://software.cisco.com"}],"tags":["nvd","csaf","vendor-advisory","cisco"],"epss":0.00648,"epssPercentile":0.50841,"ingestedAt":"2026-09-17T20:28:02.740Z","slug":"CVE-2026-20191","body":"## Overview\n\nA vulnerability in Cisco Catalyst Center could allow an unauthenticated, remote attacker to read arbitrary files from a restricted container.&nbsp;\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to read arbitrary files from a restricted container of the affected device.\n\n## Affected\n\n- `catalyst_center >= 2.3.7.0, <= 2.3.7.11`\n- `catalyst_center >= 3.1.3, < 3.1.6-75524.200`\n- `catalyst_center_global_manager < 1.4.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `catalyst_center 3.1.6-75524.200`\n- `catalyst_center_global_manager 1.4.1`\n\n## Vendor advisories\n\n- **cisco-sa-catc-file-read-wLH2vf8X** · Cisco · affected: Cisco Catalyst Center (17 versions) · updated 2026-07-06 · [advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-catc-file-read-wLH2vf8X)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}