# CVE-2023-49105

> **ownCloud ownCloud** vulnerability · **listed in CISA Known Exploited Vulnerabilities catalog**.

## 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.

## Key facts

- **CVE ID:** CVE-2023-49105
- **Vendor:** ownCloud
- **Product:** ownCloud
- **Published:** 2026-08-27
- **CISA remediation due date:** 2026-08-30

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-49105
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

## Citation

> AI Analytics. CVE-2023-49105. Retrieved 2026-08-29 from https://api.ai-analytics.org/cve/CVE-2023-49105. Derived from NIST NVD + CISA KEV. Licensed CC0.

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