In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-4760-1 roundcube security update
Debian DSA Debian DSA DSA-6479-1 roundcube security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 17 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 17 Aug 2026 15:15:00 +0000

Type Values Removed Values Added
Title SVG FuncIRI URL Evades Remote Image Blocking in Roundcube Webmail

Mon, 17 Aug 2026 13:00:00 +0000

Type Values Removed Values Added
Description In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.
First Time appeared Roundcube
Roundcube webmail
Weaknesses CWE-669
CPEs cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
Vendors & Products Roundcube
Roundcube webmail
References
Metrics cvssV3_1

{'score': 5.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-18T03:55:30.789Z

Reserved: 2026-08-17T12:50:50.937Z

Link: CVE-2026-75003

cve-icon Vulnrichment

Updated: 2026-08-17T14:37:42.716Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-17T13:16:54.900

Modified: 2026-09-10T19:18:27.853

Link: CVE-2026-75003

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-17T15:45:03Z

Weaknesses