Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability.
Impact
Roundcube Webmail versions before 1.6.20 and 1.7.x before 1.7.5 have an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter. This allows execution of arbitrary IMAP commands.
Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.Affected packages
Affected products
Vendor version evidence. Product records are separate from automatic dependency matching.
Roundcube · mitre
Webmail
2 ranges
Roundcube · mitre
Webmail
Compare with this publisher’s ranges. This does not inspect your installation.
affected
1.6.0 → before 1.6.20
semver versions
1.7.0 → before 1.7.5
semver versions
Other versions: unaffected
Original source description
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an IMAP command injection vulnerability. A remote authenticated attacker can exploit this via CRLF sequences injected into the _flag parameter of the mail/mark action to execute arbitrary IMAP commands. Upstream fixed this in the commit “Fix IMAP command injection via CRLF in _flag parameter of mail/mark action”, which rejects flags containing control, whitespace and IMAP-special characters.
Inside the record
Evidence available
Describes the evidence in this view, not whether the product is safe.
Original records
CVE-2026-114720View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.
cve.new JSON →Underlying weaknesses
The source’s classification of what caused the vulnerability.
Environment requirements
These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.
mitre · platform conditions
Any condition may hold
Vulnerable product
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*From (inclusive): 1.6.0
Before: 1.6.20
Vulnerable product
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*From (inclusive): 1.7.0
Before: 1.7.5
Original applicability statements
[
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.6.0",
"versionEndExcluding": "1.6.20"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.7.0",
"versionEndExcluding": "1.7.5"
}
]
}
]
}
]Contributing organizations · 2
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What changed
Follow changesLarge field values are marked as truncated previews. Original source snapshots remain retained.