CVE-2026-6572

MEDIUM

Collabora KodExplorer fileUpload Endpoint share.class.php improper authorization

Title source: cna
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Third Party Advisory third-party-advisory
Submit #789988 | KodExplorer 4.52 Business Logic Bypass
https://vuldb.com/submit/789988
Vdb Entry, Technical Description vdb-entry technical-description
VDB-358206 | Collabora KodExplorer fileUpload Endpoint share.class.php improper authorization
https://vuldb.com/vuln/358206
Signature, Permissions Required signature permissions-required
VDB-358206 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/358206/cti

Scores

CVSS v3 5.6
EPSS 0.0032
EPSS Percentile 23.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-266 CWE-285
Status published
Products (50)
Collabora/KodExplorer 4.0
Collabora/KodExplorer 4.1
Collabora/KodExplorer 4.10
Collabora/KodExplorer 4.11
Collabora/KodExplorer 4.12
Collabora/KodExplorer 4.13
Collabora/KodExplorer 4.14
Collabora/KodExplorer 4.15
Collabora/KodExplorer 4.16
Collabora/KodExplorer 4.17
... and 40 more
Published Apr 19, 2026
Tracked Since Apr 19, 2026