High
CVE-2026-113386
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 are affected by IMAP command injection. A remote authenticated attacker can exploit this via CRLF sequences injected into the _uid parameter of the mail/headers and mail/viewsource actions to execute arbitrary IMAP commands.
Announced Group revision 1
Original source ↗CVE-2026-113386
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-2026-113386
Webmail
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.
[
{
"repo": "https://github.com/roundcube/roundcubemail",
"vendor": "Roundcube",
"product": "Webmail",
"versions": [
{
"status": "affected",
"version": "1.6.0",
"lessThan": "1.6.20",
"versionType": "semver"
},
{
"status": "affected",
"version": "1.7.0",
"lessThan": "1.7.5",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-113386
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #52437 · Revision 1
- Added to Heist Feed
- Publisher date