High
CVE-2026-84256
An argument parsing issue in OpenVPN 2.1_rc10 through 2.6.22 and 2.7_alpha1 through 2.7.7 on Windows allows remote authenticated users to execute arbitrary commands via a crafted certificate subject
Announced Source revision 1
Original source ↗CVE-2026-84256
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-84256
OpenVPN
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "OpenVPN",
"product": "OpenVPN",
"versions": [
{
"status": "affected",
"version": "2.1_rc10",
"versionType": "semver",
"lessThanOrEqual": "2.6.22"
},
{
"status": "affected",
"version": "2.7_alpha1",
"versionType": "semver",
"lessThanOrEqual": "2.7.7"
}
],
"platforms": [
"Windows"
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-84256
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #21318 · Revision 1
- Added to Heist Feed
- Publisher date