CVE-2024-36255

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-36255", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "state": "PUBLISHED", "assignerShortName": "Mattermost", "dateReserved": "2024-05-23T10:57:59.907Z", "datePublished": "2024-05-26T13:32:56.087Z", "dateUpdated": "2024-08-02T03:37:03.667Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "9.5.3", "status": "affected", "version": "9.5.0", "versionType": "semver"}, {"lessThanOrEqual": "9.6.1", "status": "affected", "version": "9.6.0", "versionType": "semver"}, {"lessThanOrEqual": "8.1.12", "status": "affected", "version": "8.1.0", "versionType": "semver"}, {"status": "unaffected", "version": "9.7.0"}, {"status": "unaffected", "version": "9.5.4"}, {"status": "unaffected", "version": "9.6.2"}, {"status": "unaffected", "version": "8.1.13"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Juho Nurminen"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Mattermost versions 9.5.x &lt;= 9.5.3, 9.6.x &lt;= 9.6.1 and 8.1.x &lt;= 8.1.12 fail to perform proper input validation on post actions which allows an attacker to run a playbook checklist task command as another user via creating and sharing a deceptive post action that unexpectedly runs a slash command in some arbitrary channel.</p>"}], "value": "Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper input validation on post actions which allows an attacker to run a playbook checklist task command as another user via creating and sharing a deceptive post action that unexpectedly runs a slash command in some arbitrary channel."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-352", "description": "CWE-352: Cross-Site Request Forgery (CSRF)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2024-05-26T13:32:56.087Z"}, "references": [{"url": "https://mattermost.com/security-updates"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Update Mattermost to versions 9.7.0, 9.5.4, 9.6.2, 8.1.13 or higher.</p>"}], "value": "Update Mattermost to versions 9.7.0, 9.5.4, 9.6.2, 8.1.13 or higher."}], "source": {"advisory": "MMSA-2024-00301", "defect": ["https://mattermost.atlassian.net/browse/MM-56346"], "discovery": "INTERNAL"}, "title": "Post actions can run playbook checklist task commands", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-36255", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-28T16:55:50.413186Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:mattermost:mattermost:9.5.3:*:*:*:*:*:*:*"], "vendor": "mattermost", "product": "mattermost", "versions": [{"status": "affected", "version": "9.5.x", "versionType": "custom", "lessThanOrEqual": "9.5.3"}], "defaultStatus": "affected"}, {"cpes": ["cpe:2.3:a:mattermost:mattermost:9.6.1:*:*:*:*:*:*:*"], "vendor": "mattermost", "product": "mattermost", "versions": [{"status": "affected", "version": "9.6.x", "versionType": "custom", "lessThanOrEqual": "9.6.1"}], "defaultStatus": "affected"}, {"cpes": ["cpe:2.3:a:mattermost:mattermost:8.1.12:*:*:*:*:*:*:*"], "vendor": "mattermost", "product": "mattermost", "versions": [{"status": "affected", "version": "8.1.x", "versionType": "custom", "lessThanOrEqual": "8.1.12"}], "defaultStatus": "affected"}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:47:35.787Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:37:03.667Z"}, "title": "CVE Program Container", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:37:03.667Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-36255", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-28T16:55:50.413186Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:mattermost:mattermost:9.5.3:*:*:*:*:*:*:*"], "vendor": "mattermost", "product": "mattermost", "versions": [{"status": "affected", "version": "9.5.x", "versionType": "custom", "lessThanOrEqual": "9.5.3"}], "defaultStatus": "affected"}, {"cpes": ["cpe:2.3:a:mattermost:mattermost:9.6.1:*:*:*:*:*:*:*"], "vendor": "mattermost", "product": "mattermost", "versions": [{"status": "affected", "version": "9.6.x", "versionType": "custom", "lessThanOrEqual": "9.6.1"}], "defaultStatus": "affected"}, {"cpes": ["cpe:2.3:a:mattermost:mattermost:8.1.12:*:*:*:*:*:*:*"], "vendor": "mattermost", "product": "mattermost", "versions": [{"status": "affected", "version": "8.1.x", "versionType": "custom", "lessThanOrEqual": "8.1.12"}], "defaultStatus": "affected"}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-28T16:57:59.525Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "Post actions can run playbook checklist task commands", "source": {"defect": ["https://mattermost.atlassian.net/browse/MM-56346"], "advisory": "MMSA-2024-00301", "discovery": "INTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Juho Nurminen"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Mattermost", "product": "Mattermost", "versions": [{"status": "affected", "version": "9.5.0", "versionType": "semver", "lessThanOrEqual": "9.5.3"}, {"status": "affected", "version": "9.6.0", "versionType": "semver", "lessThanOrEqual": "9.6.1"}, {"status": "affected", "version": "8.1.0", "versionType": "semver", "lessThanOrEqual": "8.1.12"}, {"status": "unaffected", "version": "9.7.0"}, {"status": "unaffected", "version": "9.5.4"}, {"status": "unaffected", "version": "9.6.2"}, {"status": "unaffected", "version": "8.1.13"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update Mattermost to versions 9.7.0, 9.5.4, 9.6.2, 8.1.13 or higher.", "supportingMedia": [{"type": "text/html", "value": "<p>Update Mattermost to versions 9.7.0, 9.5.4, 9.6.2, 8.1.13 or higher.</p>", "base64": false}]}], "references": [{"url": "https://mattermost.com/security-updates"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper input validation on post actions which allows an attacker to run a playbook checklist task command as another user via creating and sharing a deceptive post action that unexpectedly runs a slash command in some arbitrary channel.", "supportingMedia": [{"type": "text/html", "value": "<p>Mattermost versions 9.5.x &lt;= 9.5.3, 9.6.x &lt;= 9.6.1 and 8.1.x &lt;= 8.1.12 fail to perform proper input validation on post actions which allows an attacker to run a playbook checklist task command as another user via creating and sharing a deceptive post action that unexpectedly runs a slash command in some arbitrary channel.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-352", "description": "CWE-352: Cross-Site Request Forgery (CSRF)"}]}], "providerMetadata": {"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "shortName": "Mattermost", "dateUpdated": "2024-05-26T13:32:56.087Z"}}}, "cveMetadata": {"cveId": "CVE-2024-36255", "state": "PUBLISHED", "dateUpdated": "2024-08-02T03:37:03.667Z", "dateReserved": "2024-05-23T10:57:59.907Z", "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee", "datePublished": "2024-05-26T13:32:56.087Z", "assignerShortName": "Mattermost"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Mattermost", "vendor": "Mattermost", "versions": [{"lessThanOrEqual": "9.5.3", "status": "affected", "version": "9.5.0", "versionType": "semver"}, {"lessThanOrEqual": "9.6.1", "status": "affected", "version": "9.6.0", "versionType": "semver"}, {"lessThanOrEqual": "8.1.12", "status": "affected", "version": "8.1.0", "versionType": "semver"}, {"status": "unaffected", "version": "9.7.0"}, {"status": "unaffected", "version": "9.5.4"}, {"status": "unaffected", "version": "9.6.2"}, {"status": "unaffected", "version": "8.1.13"}]}], "source": "responsibledisclosure@mattermost.com"}, {"affectedData": [{"cpes": ["cpe:2.3:a:mattermost:mattermost:9.5.3:*:*:*:*:*:*:*"], "defaultStatus": "affected", "product": "mattermost", "vendor": "mattermost", "versions": [{"lessThanOrEqual": "9.5.3", "status": "affected", "version": "9.5.x", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:mattermost:mattermost:9.6.1:*:*:*:*:*:*:*"], "defaultStatus": "affected", "product": "mattermost", "vendor": "mattermost", "versions": [{"lessThanOrEqual": "9.6.1", "status": "affected", "version": "9.6.x", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:mattermost:mattermost:8.1.12:*:*:*:*:*:*:*"], "defaultStatus": "affected", "product": "mattermost", "vendor": "mattermost", "versions": [{"lessThanOrEqual": "8.1.12", "status": "affected", "version": "8.1.x", "versionType": "custom"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "47448305-8E05-4AEE-9E7B-D52AC86C7370", "versionEndExcluding": "8.1.13", "versionStartIncluding": "8.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "73F3450F-7A4F-450D-BC68-E726D347636F", "versionEndExcluding": "9.5.4", "versionStartIncluding": "9.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*", "matchCriteriaId": "B3E36367-4F29-45EE-BCF6-CDAA8E599E85", "versionEndExcluding": "9.6.2", "versionStartIncluding": "9.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper input validation on post actions which allows an attacker to run a playbook checklist task command as another user via creating and sharing a deceptive post action that unexpectedly runs a slash command in some arbitrary channel."}, {"lang": "es", "value": "Las versiones de Mattermost 9.5.x &lt;= 9.5.3, 9.6.x &lt;= 9.6.1 y 8.1.x &lt;= 8.1.12 no realizan una validaci\u00f3n de entrada adecuada en las acciones posteriores, lo que permite a un atacante ejecutar un comando de tarea de lista de verificaci\u00f3n del libro de jugadas como otro usuario creando y compartiendo una acci\u00f3n de publicaci\u00f3n enga\u00f1osa que ejecuta inesperadamente un comando de barra diagonal en alg\u00fan canal arbitrario."}], "id": "CVE-2024-36255", "lastModified": "2026-06-17T07:36:23.097", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.6, "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-36255", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-05-28T16:55:50.413186Z", "version": "2.0.3"}}]}, "published": "2024-05-26T14:15:10.060", "references": [{"source": "responsibledisclosure@mattermost.com", "tags": ["Vendor Advisory"], "url": "https://mattermost.com/security-updates"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://mattermost.com/security-updates"}], "sourceIdentifier": "responsibledisclosure@mattermost.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "responsibledisclosure@mattermost.com", "type": "Secondary"}]}

{}

{"created": "2025-07-12T15:42:39.999856+00:00", "updated": "2025-07-12T15:42:39.999909+00:00", "vendors": ["mattermost", "mattermost$PRODUCT$mattermost"]}