CVE-2026-6572
Collabora KodExplorer fileUpload Endpoint share.class.php improper authorization
- Published
- Updated
- Reserved
- Assigned by
- VulDB
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.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium6.3 | 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 |
| VulDBCNA (assigner) | 3.1 | Medium5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 3.0 | Medium5.6 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | Medium5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Deferred | 4.0 | Low2.9 | 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.32% · top 75% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
Affected products
- affected 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
- and 13 more
References (4)
- VDB-358206 | Collabora KodExplorer fileUpload Endpoint share.class.php improper authorization (opens in a new tab)vdb-entrytechnical-description
- VDB-358206 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- Submit #789988 | KodExplorer 4.52 Business Logic Bypass (opens in a new tab)third-party-advisory
- https://vulnplus-note.wetolink.com/share/PLCI4v0BWaF8 (opens in a new tab)broken-linkexploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-6572)Record last updated .