{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T03:17:14.927","vulnerabilities":[{"cve":{"id":"CVE-2026-27659","sourceIdentifier":"responsibledisclosure@mattermost.com","published":"2026-03-25T17:16:56.977","lastModified":"2026-03-26T18:49:34.053","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Mattermost versions 11.2.x <= 11.2.2, 10.11.x <= 10.11.10, 11.4.x <= 11.4.0, 11.3.x <= 11.3.1 fail to properly validate CSRF tokens in the /api/v4/access_control_policies/{policy_id}/activate endpoint, which allows an attacker to trick an admin into changing access control policy active status via a crafted request.. Mattermost Advisory ID: MMSA-2026-00578"},{"lang":"es","value":"Las versiones de Mattermost 11.2.x &lt;= 11.2.2, 10.11.x &lt;= 10.11.10, 11.4.x &lt;= 11.4.0, 11.3.x &lt;= 11.3.1 no validan correctamente los tokens CSRF en el endpoint /api/v4/access_control_policies/{policy_id}/activate, lo que permite a un atacante engañar a un administrador para que cambie el estado activo de una política de control de acceso mediante una solicitud manipulada. ID de Aviso de Mattermost: MMSA-2026-00578"}],"metrics":{"cvssMetricV31":[{"source":"responsibledisclosure@mattermost.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","baseScore":4.6,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.1,"impactScore":2.5}]},"weaknesses":[{"source":"responsibledisclosure@mattermost.com","type":"Secondary","description":[{"lang":"en","value":"CWE-352"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"10.11.0","versionEndExcluding":"10.11.11","matchCriteriaId":"B6E5F368-358C-429B-8F04-3C8DF4A71A91"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"11.2.0","versionEndExcluding":"11.2.3","matchCriteriaId":"7F64C167-943D-4F3F-9374-BCC8DECB3881"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"11.3.0","versionEndExcluding":"11.3.2","matchCriteriaId":"805ECFFC-82FD-4754-AF95-32167E1D41CB"},{"vulnerable":true,"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","versionStartIncluding":"11.4.0","versionEndExcluding":"11.4.1","matchCriteriaId":"839BC7B7-28DF-4125-937A-8B0D2D6893C2"}]}]}],"references":[{"url":"https://mattermost.com/security-updates","source":"responsibledisclosure@mattermost.com","tags":["Vendor Advisory"]}]}}]}