- Description
- Directory traversal with remote code execution can occur in /upload in ONLYOFFICE Document Server before 5.6.3, when JWT is used, via a /.. sequence in an image upload parameter.
- Source
- cve@mitre.org
- NVD status
- Modified
- Products
- document_server
CVSS 3.1
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 6.4
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:P/A:P
Data from CISA
- Vulnerability name
- ONLYOFFICE Docs Server Path Traversal Vulnerability
- Exploit added on
- Oct 8, 2026
- Exploit action due
- Oct 11, 2026
- Required action
- Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "226FAC46-5D2C-4685-AA75-0EEB5BA85178",
"versionEndExcluding": "5.6.3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]