PT-2026-7936 · Owncloud · Owncloud

Daniel Moreno · Published 2026-02-12 · Updated 2026-02-12 · CVE-2019-25337

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OwnCloud version 8.1.8

Description The software contains a flaw that allows remote attackers to discover user accounts. This is achieved by manipulating the share.php endpoint. Attackers can send specially crafted GET requests to the /index.php/core/ajax/share.php API endpoint, utilizing a wildcard search parameter to obtain comprehensive user information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2019-25337

Affected Products

Owncloud

References · 6

• 🔥 https://exploit-db.com/exploits/47745 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-25337 · Security Note
• https://vulncheck.com/advisories/owncloud-username-disclosure · Note
• https://t.me/CVEtracker/44578 · Telegram Post
• https://ftp.icm.edu.pl/packages/owncloud · Note
• https://owncloud.org · Note