CVE-2026-35545HIGH 8.2EPSS p24.5%

CVE-2026-35545CVE-2026-35545

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.

Scoring

CVSS 3.18.2 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS0.33% probability of exploitation · percentile 24.5% · 2026-06-18T12:00:27Z
Published2026-04-03
Last modified2026-04-07

Underlying weaknesses· 1

CWE-669

References

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

1

TypeTargetConfidenceTier
WeaknessIncorrect Resource Transfer Between Spherescwe-6690%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability
CVE
RoundCube Webmail Cross-site Scripting Vulnerability
CVE
Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability
CVE
Roundcube Webmail Remote Code Execution Vulnerability
CVE
CVE-2026-48842
CVE
Roundcube Webmail File Disclosure Vulnerability
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.