2 lines
3.9 KiB
JSON
2 lines
3.9 KiB
JSON
{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"11.6.0","status":"affected","version":"11.6.0","versionType":"semver"},{"lessThanOrEqual":"11.5.3","status":"affected","version":"11.5.0","versionType":"semver"},{"lessThanOrEqual":"11.4.4","status":"affected","version":"11.4.0","versionType":"semver"},{"lessThanOrEqual":"10.11.14","status":"affected","version":"10.11.0","versionType":"semver"},{"status":"unaffected","version":"11.7.0"},{"status":"unaffected","version":"11.6.1"},{"status":"unaffected","version":"11.5.4"},{"status":"unaffected","version":"11.4.5"},{"status":"unaffected","version":"10.11.15"}]}],"source":"responsibledisclosure@mattermost.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"6696A83A-CD06-45BD-A4C1-16A09C4CA15B","versionEndExcluding":"10.11.15","versionStartIncluding":"10.11.0","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"AB489375-1F54-4A24-AE2C-37D92B27FF4D","versionEndExcluding":"11.4.5","versionStartIncluding":"11.4.0","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"617D4791-A087-42E8-BF73-B39B30CB29C8","versionEndExcluding":"11.5.4","versionStartIncluding":"11.5.0","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"77708744-DCB4-4AE3-8146-CB043DAB6FBB","versionEndExcluding":"11.6.1","versionStartIncluding":"11.6.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to enforce request body size limits on plugin HTTP endpoints which allows an attacker to cause a denial of service via crafted oversized HTTP requests.. Mattermost Advisory ID: MMSA-2026-00646"},{"lang":"es","value":"Las versiones de Mattermost 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 no aplican límites de tamaño del cuerpo de la solicitud en los puntos finales HTTP del plugin, lo que permite a un atacante causar una denegación de servicio mediante solicitudes HTTP manipuladas y sobredimensionadas. ID de aviso de Mattermost: MMSA-2026-00646"}],"id":"CVE-2026-5308","lastModified":"2026-07-23T16:10:00.137","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":1.2,"impactScore":3.6,"source":"responsibledisclosure@mattermost.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-5308","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-05-22T12:14:52.101944Z","version":"2.0.3"}}]},"published":"2026-05-22T11:16:23.047","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-400"}],"source":"responsibledisclosure@mattermost.com","type":"Secondary"}]}
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