# ownCloud vulnerabilities Source: https://junglewise.ai/threats/vendors/owncloud Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/owncloud.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 9 vulnerabilities in ownCloud: 1 in the last 7 days and 2 in the last 90 days, 3 of them critical and 2 exploited in the wild. The most recent, CVE-2026-84473, was published on 6 November 2026. 1 vulnerability in the last four weeks, up from none in the four before. 1 technology has a page of its own. ## Counts - Last 7 days: 1 - Last 30 days: 1 - Last 90 days: 2 - All time: 9 (3 critical, 2 exploited in the wild) ## About ownCloud A developer of open-source software for self-hosted file sync and share services. ## Latest ownCloud vulnerabilities - [CVE-2026-84473: ownCloud server authentication bypass in WebDAV endpoint](https://junglewise.ai/threats/cve-2026-84473-authentication-bypass-missing-brute-force-protection-in-remote) (info, published 6 Nov 2026) - [CVE-2023-49105: ownCloud improper authentication vulnerability](https://junglewise.ai/threats/cve-2023-49105-owncloud-improper-authentication-vulnerability) (critical, exploited in the wild, published 27 Aug 2026) - [CVE-2025-53831: ownCloud DrawIO stored XSS in web page generation](https://junglewise.ai/threats/cve-2025-53831-owncloud-drawio-stored-xss-in-web-page-generation) (high, CVSS 8.2, published 6 Jul 2026) - [CVE-2025-53830: ownCloud Anti-Virus SSRF leading to code execution](https://junglewise.ai/threats/cve-2025-53830-owncloud-anti-virus-ssrf-leading-to-code-execution) (critical, CVSS 9.1, published 6 Jul 2026) - [CVE-2025-53829: ownCloud 10 path traversal and remote code execution](https://junglewise.ai/threats/cve-2025-53829-owncloud-10-path-traversal-and-remote-code-execution) (high, CVSS 8, published 6 Jul 2026) - [CVE-2025-53828: ownCloud SharePoint app SSRF in ownCloud Classic](https://junglewise.ai/threats/cve-2025-53828-owncloud-sharepoint-app-ssrf-in-owncloud-classic) (high, CVSS 8.5, published 6 Jul 2026) - [CVE-2025-59716: ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token}…](https://junglewise.ai/threats/cve-2025-59716-owncloud-guests-before-0-12-5-allows-unauthenticated-user) (medium, CVSS 5.3, published 5 Nov 2025) - [CVE-2023-49103: ownCloud graphapi Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2023-49103-owncloud-graphapi-information-disclosure-vulnerability) (critical, exploited in the wild, CVSS 10, published 30 Nov 2023) - [CVE-2016-7102: ownCloud Desktop arbitrary code execution via Trojan library](https://junglewise.ai/threats/cve-2016-7102-owncloud-desktop-arbitrary-code-execution-via-trojan-library) (high, CVSS 8.4, published 23 Jan 2017) ## Most severe ownCloud vulnerabilities - [CVE-2023-49103: ownCloud graphapi Information Disclosure Vulnerability](https://junglewise.ai/threats/cve-2023-49103-owncloud-graphapi-information-disclosure-vulnerability) (critical, exploited in the wild, CVSS 10, published 30 Nov 2023) - [CVE-2023-49105: ownCloud improper authentication vulnerability](https://junglewise.ai/threats/cve-2023-49105-owncloud-improper-authentication-vulnerability) (critical, exploited in the wild, published 27 Aug 2026) - [CVE-2025-53830: ownCloud Anti-Virus SSRF leading to code execution](https://junglewise.ai/threats/cve-2025-53830-owncloud-anti-virus-ssrf-leading-to-code-execution) (critical, CVSS 9.1, published 6 Jul 2026) - [CVE-2025-53828: ownCloud SharePoint app SSRF in ownCloud Classic](https://junglewise.ai/threats/cve-2025-53828-owncloud-sharepoint-app-ssrf-in-owncloud-classic) (high, CVSS 8.5, published 6 Jul 2026) - [CVE-2016-7102: ownCloud Desktop arbitrary code execution via Trojan library](https://junglewise.ai/threats/cve-2016-7102-owncloud-desktop-arbitrary-code-execution-via-trojan-library) (high, CVSS 8.4, published 23 Jan 2017) - [CVE-2025-53831: ownCloud DrawIO stored XSS in web page generation](https://junglewise.ai/threats/cve-2025-53831-owncloud-drawio-stored-xss-in-web-page-generation) (high, CVSS 8.2, published 6 Jul 2026) - [CVE-2025-53829: ownCloud 10 path traversal and remote code execution](https://junglewise.ai/threats/cve-2025-53829-owncloud-10-path-traversal-and-remote-code-execution) (high, CVSS 8, published 6 Jul 2026) - [CVE-2025-59716: ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token}…](https://junglewise.ai/threats/cve-2025-59716-owncloud-guests-before-0-12-5-allows-unauthenticated-user) (medium, CVSS 5.3, published 5 Nov 2025) - [CVE-2026-84473: ownCloud server authentication bypass in WebDAV endpoint](https://junglewise.ai/threats/cve-2026-84473-authentication-bypass-missing-brute-force-protection-in-remote) (info, published 6 Nov 2026) ## Vulnerabilities per week 1 vulnerability in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 1 | 1 | 1 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 1 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## ownCloud technologies - [Owncloud](https://junglewise.ai/threats/technologies/owncloud): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "ownCloud vulnerabilities", https://junglewise.ai/threats/vendors/owncloud, 9 November 2026.