CVE-2025-59716
Last modified
CVE-2025-59716 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token} endpoint. Because of insufficient validation of the supplied token in showPasswordForm, the server responds differently when an e-mail address corresponds to a valid pending guest user rather than a non-existent user.. EPSS estimates a 0.85% chance of exploitation in the next 30 days.
Description
ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token} endpoint. Because of insufficient validation of the supplied token in showPasswordForm, the server responds differently when an e-mail address corresponds to a valid pending guest user rather than a non-existent user.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Owncloud | Guests | <= 0.12.4 |
References
- https://gist.github.com/thesmartshadow/64ae0449e909174d0479a4f23657147fExploit, Third Party Advisory
- https://yeswehack.com/reports/411806Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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