CVE-2026-35540

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Source
https://cve.org/CVERecord?id=CVE-2026-35540
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35540.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-35540
Aliases
Downstream
Published
2026-04-03T03:47:51.456Z
Modified
2026-07-15T01:48:52.859388815Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts.

Database specific 
{
    "cwe_ids": [
        "CWE-669"
    ],
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35540.json"
}
References

Affected packages

Git / github.com/roundcube/roundcubemail

Affected ranges

Type
GIT
Repo
https://github.com/roundcube/roundcubemail
Events
Introduced
993b888afe29c383bf45c84f17090f4db96367ba
Fixed
27ec6cc9cb25e1ef8b4d4ef39ce76d619caa6870
Fixed
579b68eff90650a5c782e153debd66c765648942
Fixed
8e4a99b0746577c2928f5ae984b3ab533b970ca0
Database specific 
{
    "cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.6.0"
        },
        {
            "fixed": "1.6.14"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

1.*
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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35540.json"