2 lines
2.9 KiB
JSON
2 lines
2.9 KiB
JSON
{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"10.11.18","status":"affected","version":"10.11.0","versionType":"semver"},{"lessThanOrEqual":"11.6.3","status":"affected","version":"11.6.0","versionType":"semver"},{"lessThanOrEqual":"11.5.6","status":"affected","version":"11.5.0","versionType":"semver"},{"status":"unaffected","version":"11.7.0"},{"status":"unaffected","version":"10.11.19"},{"status":"unaffected","version":"11.6.4"},{"status":"unaffected","version":"11.5.7"}]}],"source":"responsibledisclosure@mattermost.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"E5D17833-ABB6-4B7C-9A92-67C12D81F03D","versionEndExcluding":"10.11.19","versionStartIncluding":"10.11.0","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"38954F04-A9D8-47B1-83B8-8D2FE24590F0","versionEndExcluding":"11.5.7","versionStartIncluding":"11.5.0","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","matchCriteriaId":"F39BD857-E72D-4C8A-8054-2C2019FA86FB","versionEndExcluding":"11.6.4","versionStartIncluding":"11.6.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Mattermost versions 10.11.x <= 10.11.18, 11.6.x <= 11.6.3, 11.5.x <= 11.5.6 fail to properly apply markdown image rendering restrictions to AI bot tool result posts, which allows an authenticated attacker to exfiltrate data to an attacker-controlled server via injecting markdown image syntax into tool result content rendered by a victim's client.. Mattermost Advisory ID: MMSA-2026-00619"}],"id":"CVE-2026-3472","lastModified":"2026-06-29T19:27:20.823","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N","version":"3.1"},"exploitabilityScore":2.1,"impactScore":1.4,"source":"responsibledisclosure@mattermost.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-3472","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-06-26T15:41:02.864491Z","version":"2.0.3"}}]},"published":"2026-06-26T15:16:38.770","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-693"}],"source":"responsibledisclosure@mattermost.com","type":"Secondary"}]}
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