CVE-2026-35544

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Source
https://cve.org/CVERecord?id=CVE-2026-35544
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35544.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-35544
Aliases
Downstream
Published
2026-04-03T03:59:49.053Z
Modified
2026-07-15T02:19:33.586844151Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important.

Database specific 
{
    "cna_assigner": "mitre",
    "cwe_ids": [
        "CWE-669"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35544.json"
}
References

Affected packages

Git / github.com/roundcube/roundcubemail

Affected ranges

Type
GIT
Repo
https://github.com/roundcube/roundcubemail
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
c15f5dbf093a497e19a749b20e7f8fb5a9c24cde
Introduced
993b888afe29c383bf45c84f17090f4db96367ba
Fixed
099009b9c8e1d3c636fb9a5af72f7c2596018662
Fixed
226811a1c974271dbedca72672923abaff8191c0
Fixed
57dec0c127b98e0c8e3b9c26c80049b9c4bcaea7
Fixed
d742954ccbcdee7020f8f2e7c49ce0fca5a0efab
Fixed
27ec6cc9cb25e1ef8b4d4ef39ce76d619caa6870
Fixed
8e4a99b0746577c2928f5ae984b3ab533b970ca0
Database specific 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.5.13"
        },
        {
            "introduced": "1.6.0"
        },
        {
            "last_affected": "1.6.13"
        }
    ]
}

Affected versions

1.*
1.1-beta
1.1-rc
1.1.0
1.2-beta
1.2-rc
1.3-beta
1.4-beta
1.4-rc1
1.4-rc2
1.5-beta
1.5-rc
1.5.0
1.5.1
1.5.10
1.5.11
1.5.12
1.5.13
1.5.2
1.5.3
1.5.4
1.5.5
1.5.6
1.5.7
1.5.8
1.5.9
1.6-beta
1.6.0
1.6.1
1.6.10
1.6.11
1.6.12
1.6.13
1.6.2
1.6.3
1.6.4
1.6.5
1.6.6
1.6.7
1.6.8
1.6.9
1.7-beta
1.7-beta2
1.7-rc
1.7-rc2
1.7-rc3
1.7-rc4
v0.*
v0.1-beta2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35544.json"