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CVE-2026-35545

Published: Apr 3, 2026Updated: Apr 7, 2026 Sources: CVE List NVD BDUCWE-669
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.3%
Top 75.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed via SVG content in an e-mail message. This may lead to information disclosure or access-control bypass. This involves the animate element with attributeName=fill/filter/stroke.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-669

Affected Products

webmailroundcube
Web App
Communications / email-server-client
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
RoundCube WebmailThe RoundCube Team
On-prem
Communications / email-server-client
WebmailRoundcube
Web App
Communications / email-server-client
roundcubeoss-projectDECommunicationsaka roundcube webmail, roundcube
ооо «ред софт»commercialRUOperating Systemsaka red soft
the roundcube teamoss-projectCommunicationsaka roundcube webmail

Exploitability

Official Patch Available

References

https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46
github.com
https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88
github.com
https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221b
github.com
and 6 more references View all →

Timeline

Published
Apr 3, 2026
Last Updated
Apr 7, 2026

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