CVE-2026-35544

See a problem?
Please try reporting it to the source first.

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

GHSA-xpqh-grpw-4xmg

Downstream

Published

2026-04-03T03:59:49Z

Modified

2026-10-21T02:30:38Z

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

Last Affected

c15f5dbf093a497e19a749b20e7f8fb5a9c24cde

Introduced

993b888afe29c383bf45c84f17090f4db96367ba

Fixed

099009b9c8e1d3c636fb9a5af72f7c2596018662

Fixed

226811a1c974271dbedca72672923abaff8191c0

Fixed

57dec0c127b98e0c8e3b9c26c80049b9c4bcaea7

Fixed

d742954ccbcdee7020f8f2e7c49ce0fca5a0efab

Fixed

27ec6cc9cb25e1ef8b4d4ef39ce76d619caa6870

Fixed

8e4a99b0746577c2928f5ae984b3ab533b970ca0

Database specific

Show details

{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "last_affected":  "1.5.13"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "cpe":  "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "1.6.0"
                },
                {
                    "last_affected":  "1.6.13"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "099009b9c8e1d3c636fb9a5af72f7c2596018662"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "range":  [
                {
                    "fixed":  "226811a1c974271dbedca72672923abaff8191c0"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "range":  [
                {
                    "fixed":  "57dec0c127b98e0c8e3b9c26c80049b9c4bcaea7"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "1.5.14",
            "range":  [
                {
                    "fixed":  "d742954ccbcdee7020f8f2e7c49ce0fca5a0efab"
                }
            ],
            "source":  "REFERENCES_TAG"
        },
        {
            "original_tag":  "1.6.14",
            "range":  [
                {
                    "fixed":  "27ec6cc9cb25e1ef8b4d4ef39ce76d619caa6870"
                }
            ],
            "source":  "REFERENCES_TAG"
        },
        {
            "original_tag":  "1.7-rc5",
            "range":  [
                {
                    "fixed":  "8e4a99b0746577c2928f5ae984b3ab533b970ca0"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

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"