MEDIUMVulnerability

CVE-2026-75006

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.

Properties

severity
MEDIUM
score
5.8
epss_score
0.00416
cve_id
CVE-2026-75006
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
published_at
2026-08-17T13:16:55.240
last_modified
2026-09-01T21:04:08.583
epss_percentile
0.34745

Related Entities (3)

ENRICHED_BY (1)

[Source]FIRST EPSS

HAS_WEAKNESS (1)

[Weakness]Server-Side Request Forgery (SSRF)

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-75006 — Ninja Signal Threat Intelligence | Ninja Signal