2 lines
3.4 KiB
JSON
2 lines
3.4 KiB
JSON
{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"11.3.0","status":"affected","version":"11.3.0","versionType":"semver"},{"lessThanOrEqual":"11.2.2","status":"affected","version":"11.2.0","versionType":"semver"},{"lessThanOrEqual":"10.11.10","status":"affected","version":"10.11.0","versionType":"semver"},{"status":"unaffected","version":"11.4.0"},{"status":"unaffected","version":"11.3.1"},{"status":"unaffected","version":"11.2.3"},{"status":"unaffected","version":"10.11.11"}]}],"source":"responsibledisclosure@mattermost.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"B6E5F368-358C-429B-8F04-3C8DF4A71A91","versionEndExcluding":"10.11.11","versionStartIncluding":"10.11.0","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"7F64C167-943D-4F3F-9374-BCC8DECB3881","versionEndExcluding":"11.2.3","versionStartIncluding":"11.2.0","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"945A6E29-209F-4992-8692-BEF63DCB6B98","versionEndExcluding":"11.3.1","versionStartIncluding":"11.3.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to validate team-specific upload_file permissions which allows a guest user to post files in channels where they lack upload_file permission via uploading files in a team where they have permission and reusing the file metadata in a POST request to a different team. Mattermost Advisory ID: MMSA-2025-00553"},{"lang":"es","value":"Las versiones de Mattermost 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fallan al validar los permisos de upload_file específicos del equipo, lo que permite a un usuario invitado publicar archivos en canales donde carece del permiso de upload_file, mediante la carga de archivos en un equipo donde tiene permiso y la reutilización de los metadatos del archivo en una solicitud POST a un equipo diferente. ID de Aviso de Mattermost: MMSA-2025-00553"}],"id":"CVE-2026-4265","lastModified":"2026-06-17T10:56:19.557","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":1.4,"source":"responsibledisclosure@mattermost.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-4265","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-03-16T13:41:40.647671Z","version":"2.0.3"}}]},"published":"2026-03-16T14:20:19.733","references":[{"source":"responsibledisclosure@mattermost.com","tags":["Vendor Advisory"],"url":"https://mattermost.com/security-updates"}],"sourceIdentifier":"responsibledisclosure@mattermost.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-863"}],"source":"responsibledisclosure@mattermost.com","type":"Secondary"}]}
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