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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.2.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Wimi Teamwork", "source": "cna", "vendor": "Cloud Solutions SAS"}, "product": "wimi_teamwork", "vendor": "cloud_solutions"}], "analysis": {"en": {"generated_at": "2026-04-08T15:05:50.243035+00:00", "value": {"mitigation_remediation": ["Verify the installed version of Wimi Teamwork On\u2011Premises and confirm it is version 8.2.0 or higher.", "Upgrade the software to the latest secure release if the current version is below 8.2.0.", "If an immediate upgrade is not possible, restrict or disable direct access to preview.php and enforce proper authorization checks for the item_id parameter.", "Monitor application logs for unauthorized attempts to access preview.php and review user privileges regularly."], "summary": {"action": "Assess Impact", "impact": "Unauthorized disclosure of sensitive information via IDOR"}, "threat_synthesis": {"affected_systems": "Cloud Solutions SAS\u2019s Wimi Teamwork On\u2011Premises installations running any version prior to 8.2.0 are affected. The vulnerability exists wherever preview.php is exposed, and any user who can supply an item_id value will be able to trigger the IDOR behavior.", "description_and_impact": "Wimi Teamwork On\u2011Premises versions earlier than 8.2.0 contain an insecure direct object reference in the preview.php endpoint. The item_id parameter is not verified for proper authorization, allowing an attacker to enumerate sequential identifiers and retrieve image previews from private or group conversations. The unintended disclosure of user\u2011contributed images results in access to confidential or personal data that belongs to other users.", "risk_and_exploitability": "The assigned CVSS v3 base score of 5.3 reflects moderate severity. No EPSS data is available, and the vulnerability is not listed in the CISA KEV catalog. The likely attack vector is remote, through the web interface, and the flaw requires only enumeration of predictable item_id values\u2014an action that can be automated once the attacker has network or web access to the application."}}}}, "created": "2026-04-08T19:27:04.368466+00:00", "updated": "2026-04-08T19:39:35.939179+00:00", "vendors": ["cloud_solutions", "cloud_solutions$PRODUCT$wimi_teamwork"]}