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CVE-2026-48846

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CVE-2026-48846

Published: May 25, 2026

Modified: May 26, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, the remote image blocking feature can be bypassed via a crafted CSS var() value in an e-mail message, which may lead to information disclosure or access-control bypass.

VendorProductVersions

Roundcube

Webmail

affected
1.6.0 - < 1.6.16
affected
1.7.0 - < 1.7.1

Weaknesses (CWE)

CWE-669

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

References

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