{"cvss":0.0,"datePublished":"2026-08-26T00:00:00Z","dateUpdated":"2026-08-26T00:00:00Z","description":"ownCloud contains an improper authentication vulnerability that allows an attacker to access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured.","dueDate":"2026-08-30T00:00:00Z","id":"CVE-2023-49105","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Unknown","product":"ownCloud","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","severity":"HIGH","source":"vulncheck_kev","title":"ownCloud Improper Authentication Vulnerability","vendor":"ownCloud"}