Collabora KodExplorer fileUpload Endpoint share.class.php improper authorization_CVE-2026-6572

6.3 / 10

MEDIUM

CVSS: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

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.

Basic Information

ID CVE-2026-6572

Source VulDB

Published Apr 19, 2026 at 12:15

Affected Product

Vendor Collabora

Product KodExplorer

Version 4.0

Affected Versions Collabora KodExplorer 4.0
Collabora KodExplorer 4.1
Collabora KodExplorer 4.2
Collabora KodExplorer 4.3
Collabora KodExplorer 4.4
Collabora KodExplorer 4.5
Collabora KodExplorer 4.6
Collabora KodExplorer 4.7
Collabora KodExplorer 4.8
Collabora KodExplorer 4.9
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
Collabora KodExplorer 4.18
Collabora KodExplorer 4.19
Collabora KodExplorer 4.20
Collabora KodExplorer 4.21
Collabora KodExplorer 4.22
Collabora KodExplorer 4.23
Collabora KodExplorer 4.24
Collabora KodExplorer 4.25
Collabora KodExplorer 4.26
Collabora KodExplorer 4.27
Collabora KodExplorer 4.28
Collabora KodExplorer 4.29
Collabora KodExplorer 4.30
Collabora KodExplorer 4.31
Collabora KodExplorer 4.32
Collabora KodExplorer 4.33
Collabora KodExplorer 4.34
Collabora KodExplorer 4.35
Collabora KodExplorer 4.36
Collabora KodExplorer 4.37
Collabora KodExplorer 4.38
Collabora KodExplorer 4.39
Collabora KodExplorer 4.40
Collabora KodExplorer 4.41
Collabora KodExplorer 4.42
Collabora KodExplorer 4.43
Collabora KodExplorer 4.44
Collabora KodExplorer 4.45
Collabora KodExplorer 4.46
Collabora KodExplorer 4.47
Collabora KodExplorer 4.48
Collabora KodExplorer 4.49
Collabora KodExplorer 4.50
Collabora KodExplorer 4.51
Collabora KodExplorer 4.52

CWE Classification

CWE-285 CWE-266

References

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    "lastseen": "",
    "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": "2026-04-19T12:15:14.167Z",
    "modified": "2026-04-19T12:15:14.167Z",
    "type": "cve",
    "title": "Collabora KodExplorer fileUpload Endpoint share.class.php improper authorization",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/358206\nhttps://vuldb.com/vuln/358206/cti\nhttps://vuldb.com/submit/789988\nhttps://vulnplus-note.wetolink.com/share/PLCI4v0BWaF8",
    "id": "CVE-2026-6572",
    "bulletinFamily": "",
    "cwe": [
        "CWE-285",
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    "cvelist": null,
    "sourceData": "Collabora KodExplorer 4.0\nCollabora KodExplorer 4.1\nCollabora KodExplorer 4.2\nCollabora KodExplorer 4.3\nCollabora KodExplorer 4.4\nCollabora KodExplorer 4.5\nCollabora KodExplorer 4.6\nCollabora KodExplorer 4.7\nCollabora KodExplorer 4.8\nCollabora KodExplorer 4.9\nCollabora KodExplorer 4.10\nCollabora KodExplorer 4.11\nCollabora KodExplorer 4.12\nCollabora KodExplorer 4.13\nCollabora KodExplorer 4.14\nCollabora KodExplorer 4.15\nCollabora KodExplorer 4.16\nCollabora KodExplorer 4.17\nCollabora KodExplorer 4.18\nCollabora KodExplorer 4.19\nCollabora KodExplorer 4.20\nCollabora KodExplorer 4.21\nCollabora KodExplorer 4.22\nCollabora KodExplorer 4.23\nCollabora KodExplorer 4.24\nCollabora KodExplorer 4.25\nCollabora KodExplorer 4.26\nCollabora KodExplorer 4.27\nCollabora KodExplorer 4.28\nCollabora KodExplorer 4.29\nCollabora KodExplorer 4.30\nCollabora KodExplorer 4.31\nCollabora KodExplorer 4.32\nCollabora KodExplorer 4.33\nCollabora KodExplorer 4.34\nCollabora KodExplorer 4.35\nCollabora KodExplorer 4.36\nCollabora KodExplorer 4.37\nCollabora KodExplorer 4.38\nCollabora KodExplorer 4.39\nCollabora KodExplorer 4.40\nCollabora KodExplorer 4.41\nCollabora KodExplorer 4.42\nCollabora KodExplorer 4.43\nCollabora KodExplorer 4.44\nCollabora KodExplorer 4.45\nCollabora KodExplorer 4.46\nCollabora KodExplorer 4.47\nCollabora KodExplorer 4.48\nCollabora KodExplorer 4.49\nCollabora KodExplorer 4.50\nCollabora KodExplorer 4.51\nCollabora KodExplorer 4.52",
    "sourceHref": "",
    "cvss": {
        "score": 6.3,
        "severity": "MEDIUM",
        "vector": "CVSS: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",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
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        "baseScore": 0,
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        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
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    "product": "KodExplorer",
    "version": "4.0",
    "vendor": "Collabora",
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}