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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.

PUBLISHED Reserved 2026-04-18 | Published 2026-04-19 | Updated 2026-04-20 | Assigner VulDB




MEDIUM: 6.3CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 5.6CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 5.6CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
5.1AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Improper Authorization

Incorrect Privilege Assignment

Product status

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

Timeline

2026-04-18:Advisory disclosed
2026-04-18:VulDB entry created
2026-04-18:VulDB entry last update

Credits

vulnplusbot (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/358206 (VDB-358206 | Collabora KodExplorer fileUpload Endpoint share.class.php improper authorization) vdb-entry technical-description

vuldb.com/vuln/358206/cti (VDB-358206 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/789988 (Submit #789988 | KodExplorer 4.52 Business Logic Bypass) third-party-advisory

vulnplus-note.wetolink.com/share/PLCI4v0BWaF8 broken-link exploit

cve.org (CVE-2026-6572)

nvd.nist.gov (CVE-2026-6572)

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