{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-31363", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2025-04-08T07:50:19.617Z", "datePublished": "2025-04-16T09:14:15.992Z", "dateUpdated": "2025-04-16T14:33:01.674Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "10.4.2", "status": "affected", "version": "10.4.0", "versionType": "semver"}, {"status": "affected", "version": "10.5.0"}, {"lessThanOrEqual": "9.11.9", "status": "affected", "version": "9.11.0", "versionType": "semver"}, {"status": "unaffected", "version": "10.6.0"}, {"status": "unaffected", "version": "10.4.3"}, {"status": "unaffected", "version": "10.5.1"}, {"status": "unaffected", "version": "9.11.10"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Juho Fors\u00e9n"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Mattermost versions 10.4.x &lt;= 10.4.2, 10.5.x &lt;= 10.5.0, 9.11.x &lt;= 9.11.9 fail to restrict domains the LLM can request to contact upstream&nbsp;which allows an authenticated user to&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">exfiltrate data from an arbitrary server accessible to the victim via</span> performing a prompt injection&nbsp;in the AI plugin's Jira tool.</p>"}], "value": "Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.9 fail to restrict domains the LLM can request to contact upstream\u00a0which allows an authenticated user to\u00a0exfiltrate data from an arbitrary server accessible to the victim via performing a prompt injection\u00a0in the AI plugin's Jira tool."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1426", "description": "CWE-1426: Improper Validation of Generative AI Output", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2025-04-16T09:14:15.992Z"}, "references": [{"url": "https://mattermost.com/security-updates"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Update Mattermost to versions 10.6.0, 10.4.3, 10.5.1, 9.11.10 or higher.</p>"}], "value": "Update Mattermost to versions 10.6.0, 10.4.3, 10.5.1, 9.11.10 or higher."}], "source": {"advisory": "MMSA-2024-00401", "defect": ["https://mattermost.atlassian.net/browse/MM-61473"], "discovery": "INTERNAL"}, "title": "Data exfiltration via AI plugin Jira tool", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-16T14:19:20.968987Z", "id": "CVE-2025-31363", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-16T14:33:01.674Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.9 fail to restrict domains the LLM can request to contact upstream\u00a0which allows an authenticated user to\u00a0exfiltrate data from an arbitrary server accessible to the victim via performing a prompt injection\u00a0in the AI plugin's Jira tool."}], "id": "CVE-2025-31363", "lastModified": "2025-04-16T13:25:37.340", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.0, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 1.4, "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}, "published": "2025-04-16T10:15:15.170", "references": [{"source": "responsibledisclosure@mattermost.com", "url": "https://mattermost.com/security-updates"}], "sourceIdentifier": "responsibledisclosure@mattermost.com", "vulnStatus": "Awaiting Analysis"}

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