{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90955", "assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "state": "PUBLISHED", "assignerShortName": "CIRCL", "dateReserved": "2026-09-14T12:37:52.348Z", "datePublished": "2026-09-14T12:37:54.001Z", "dateUpdated": "2026-09-14T13:00:29.069Z"}, "containers": {"cna": {"affected": [{"modules": ["CLIShell (app/Console/Command/CLIShell)", "SysLogLogableBehavior (app/Plugin/SysLogLogable/Model/Behavior)"], "product": "MISP", "programFiles": ["app/Console/Command/CLIShell.php", "app/Console/Command/CLIShell/cli_common.php", "app/Console/Command/CLIShell/cli_users.php", "app/Plugin/SysLogLogable/Model/Behavior/SysLogLogableBehavior.php"], "repo": "https://github.com/MISP/MISP", "vendor": "MISP", "versions": [{"lessThan": "2.5.46", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Scottish Government - National Cyber Team"}, {"lang": "en", "type": "remediation developer", "value": "iglocska"}, {"lang": "en", "type": "remediation developer", "value": "Claude Fable 5.1"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p></p><p>Affected versions of MISP\u2019s interactive CLI shell do not reliably preserve the identity of the impersonated MISP user across audit logging.</p>\n<p>The shell is designed to run actions as a supplied MISP user ID. 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CLI_usage.md documents the audit-trail behavior.", "patchTruncated": false, "patches": [{"commit": "d13e5db33faa8eb27c945d6561badc24f00b2cda", "patchSha256": "8ea0cae590f0d9a3a2fa579b800f69fb5f5f8c9083de74df05945869dd3e91bf", "source": "https://github.com/MISP/MISP/commit/d13e5db33.patch", "sourceUrl": "https://github.com/MISP/MISP/commit/d13e5db33.patch", "subject": "fix: [cli] Attribute interactive CLI shell writes stably and"}], "source": "https://github.com/MISP/MISP/commit/d13e5db33.patch", "subject": "fix: [cli] Attribute interactive CLI shell writes stably and", "tagVersionBoundary": {"commits_after_fix": 183, "repository": "https://github.com/MISP/MISP", "tag": "v2.5.46", "version": "2.5.46", "version_type": "semver"}, "weaknessRationale": [{"cweId": "CWE-778", "rationale": "The CLI shell's audit rows lost the impersonated user identity after the first lazy model load (reset to SYSTEM), and user-management operations (edit, disable, delete) performed via CLI produced no audit row at all in the default engine. Both are failures to record security-relevant events with sufficient detail."}, {"cweId": "CWE-223", "rationale": "Audit rows written by the CLI shell carried no marker distinguishing them from web-originated actions. In the default engine the description lacked 'via CLI'; in the new engine request_type was not set to CLI. This omission prevents an investigator from determining the true origin of an action."}]}}}, "recordType": "advisory", "vulnId": "GCVE-1-2026-20197"}]}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-90955", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-14T12:55:46.663079Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-14T12:57:04.186Z"}}]}}

{"affected": [{"affectedData": [{"modules": ["CLIShell (app/Console/Command/CLIShell)", "SysLogLogableBehavior (app/Plugin/SysLogLogable/Model/Behavior)"], "product": "MISP", "programFiles": ["app/Console/Command/CLIShell.php", "app/Console/Command/CLIShell/cli_common.php", "app/Console/Command/CLIShell/cli_users.php", "app/Plugin/SysLogLogable/Model/Behavior/SysLogLogableBehavior.php"], "repo": "https://github.com/MISP/MISP", "vendor": "MISP", "versions": [{"lessThan": "2.5.46", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Affected versions of MISP\u2019s interactive CLI shell do not reliably preserve the identity of the impersonated MISP user across audit logging.\n\n\nThe shell is designed to run actions as a supplied MISP user ID. However, the legacy SysLogLogable behavior stored that identity in behavior-instance state that could be overwritten when another model lazily attached the shared behavior. Consequently, subsequent CLI writes could lose the intended user attribution and be logged incorrectly. The commit also notes that CLI-originated records lacked a CLI marker, making them appear similar to ordinary web actions by that user.\n\n\n\nVersion affected: \u22642.5.45"}], "id": "CVE-2026-90955", "lastModified": "2026-09-14T13:19:32.583", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-90955", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-14T12:55:46.663079Z", "version": "2.0.3"}}]}, "published": "2026-09-14T13:19:32.583", "references": [{"source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "url": "https://github.com/MISP/MISP/commit/d13e5db33"}], "sourceIdentifier": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-223"}, {"lang": "en", "value": "CWE-778"}], "source": "5a6e4751-2f3f-4070-9419-94fb35b644e8", "type": "Secondary"}]}

{}

{}