Zero Day MonitorZDM
DashboardVulnerabilitiesTrendingZero-DaysNewsAbout
Login
ImpressumPrivacy Policy
Zero Day Monitor © 2026
2557 articles · 104594 vulns · 38/41 feeds (7d)
← Back to list
5.3
CVE-2026-35545PATCHED
roundcube · webmail

CVE-2026-35545: An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed

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.

Affected Products

VendorProductVersions
roundcubewebmailcomposer/roundcube/roundcubemail: >= 1.7-beta, < 1.7-rc5

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
open sourceroundcubecert_advisory90%

References

  • https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15
  • https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6
  • https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46
  • https://github.com/roundcube/roundcubemail/releases/tag/1.6.15
  • https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88
  • https://github.com/roundcube/roundcubemail/releases/tag/1.5.15
  • https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221b

Related News (2 articles)

Tier B
BSI Advisories3h ago
[UPDATE] [mittel] Roundcube: Mehrere Schwachstellen
→ No new info (linked only)
Tier C
VulDB4d ago
CVE-2026-35545 | Roundcube Webmail up to 1.5.14/1.6.14 SVG Content resource transfer
→ No new info (linked only)
CVSS 3.15.3 MEDIUM
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA KEV❌ No
Actively exploited❌ No
Patch available
roundcube/roundcubemail@1.7-rc5
CWECWE-669
PublishedApr 3, 2026
Last enriched4d agov2
Tags
vulnerabilityresource transfer
Trending Score44
Source articles2
Independent2
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

Community Vote

0
Login to vote
0 upvotes0 downvotes
No votes yet

Related CVEs (5)

MEDIUMCVE-2026-35544EXP
CVE-2026-35544: An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitiz
Trending: 71
MEDIUMCVE-2026-35542EXP
CVE-2026-35542: An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed
Trending: 63
MEDIUMCVE-2026-35540EXP
CVE-2026-35540: An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization
Trending: 53
MEDIUMCVE-2026-35543
CVE-2026-35543: An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed
Trending: 44
MEDIUMCVE-2026-35541
CVE-2026-35541: An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plu
Trending: 34

Pin to Dashboard

Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 3, 2026
Discovered by ZDM
Apr 3, 2026
Updated: affectedVersions, severity, tags
Apr 3, 2026
Patch Available
Apr 3, 2026

Version History

v2
Last enriched 4d ago
v2Tier C4d ago

Updated affected versions to include 1.5.14 and 1.6.14, changed severity to HIGH, and noted that no exploit is available.

affectedVersionsseveritytags
via VulDB
v14d ago

Initial creation