CVE-2026-75000 | BDVDB-2026-360694 Detail

RoundcubeWebmail

Description#

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-669 Incorrect Resource Transfer Between Spheres

References#

Exploit#

No public exploit known

History#

Version 12026-08-17Record published in the CVE List.
Version 22026-08-18Most recent update recorded in the CVE List.

Published

Published: 2026-08-17
Last modified: 2026-08-18

Vendor information

Vendor: Roundcube
Product: Webmail

All Roundcube vulnerabilities

Score

5.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 28.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 1.6.0 and < 1.6.18
Fixed
1.6.18
Vulnerable
>= 1.7.0 and < 1.7.3
Fixed
1.7.3

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.8 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).