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TI-2025-37176 Aliases CVE-2025-59716GHSA-967j-jc6x-3jm4

ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the…

Priority MEDIUM 63CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00951 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:owncloud:guests:*:*:*:*:*:*:*:*up to 0.12.4VulnerableownCloud
  • cpe:2.3:a:owncloud:guests:*:*:*:*:*:*:*:* Versions up to 0.12.4 Vulnerable ·ownCloud

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-59716
  2. 2026-10-03 Alias added: GHSA-967j-jc6x-3jm4

References

Exploit 1

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences