Auth bypass in Collabora Kodexplorer
CVE-2026-6572
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 · last modified .
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (31.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Collabora Kodexplorer — versions 4.0, 4.1, 4.2
Weakness classification (CWE)
References
- vuldb.com/vuln/358206 (technical-description, vdb-entry)
- vuldb.com/vuln/358206/cti (signature, permissions-required)
- vuldb.com/submit/789988 (third-party-advisory)
- vulnplus-note.wetolink.com/share/PLCI4v0BWaF8 (exploit, broken-link)
Frequently asked questions
- What is CVE-2026-6572?
- CVE-2026-6572 is a medium-severity vulnerability in Collabora Kodexplorer, classified under Incorrect Privilege Assignment. CVSS score: 5.6/10. Published 2026-04-19.
- How severe is CVE-2026-6572?
- Medium severity. CVSS v3 base score is 5.6 out of 10.