Vulnerability Intelligence Report
Collabora KodExplorer fileUpload Endpoint share.class.php improper authorization
CVE-2026-6572
A security vulnerability has been detected in Collabora KodExplorer up to 4.52. Affected by this issue is some unknown functionality of the file /app/controller/share.class.php of the component fileUpload Endpoint. The manipulation of the argument fileUpload leads to improper authorization. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitation is known to be difficult. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
No Active Exploit Signals
CVSS Base Score
6.3
MEDIUM
EPSS Probability:0.32%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Collabora | KodExplorer | 4.0 (affected), 4.1 (affected), 4.2 (affected), 4.3 (affected), 4.4 (affected), 4.5 (affected), 4.6 (affected), 4.7 (affected), 4.8 (affected), 4.9 (affected), 4.10 (affected), 4.11 (affected), 4.12 (affected), 4.13 (affected), 4.14 (affected), 4.15 (affected), 4.16 (affected), 4.17 (affected), 4.18 (affected), 4.19 (affected), 4.20 (affected), 4.21 (affected), 4.22 (affected), 4.23 (affected), 4.24 (affected), 4.25 (affected), 4.26 (affected), 4.27 (affected), 4.28 (affected), 4.29 (affected), 4.30 (affected), 4.31 (affected), 4.32 (affected), 4.33 (affected), 4.34 (affected), 4.35 (affected), 4.36 (affected), 4.37 (affected), 4.38 (affected), 4.39 (affected), 4.40 (affected), 4.41 (affected), 4.42 (affected), 4.43 (affected), 4.44 (affected), 4.45 (affected), 4.46 (affected), 4.47 (affected), 4.48 (affected), 4.49 (affected), 4.50 (affected), 4.51 (affected), 4.52 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.323%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulDB · Researcher · Switzerland |
| Reserved | 2026-04-18T19:07:07 |
| Published | 2026-04-19T12:15:14 |
| Last Updated | 2026-04-20T16:11:35 |
Community Chatter & Buzz