CVE-2026-6572
MEDIUMCollabora KodExplorer fileUpload Endpoint share.class.php improper authorization
Title source: cnaDescription
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
Exploit broken-link
exploit
https://vulnplus-note.wetolink.com/share/PLCI4v0BWaF8
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