CVE-2026-75003
criticalIn Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, whic…
Vendor / product: Roundcube — webmail
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-08-17 13:16
Modified: 2026-09-10 19:18
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 07:07 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
roundcube / webmail ≥1.6.0 <1.6.18, ≥1.7.0 <1.7.3
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/roundcube/roundcubemail/commit/1cebea03474305d9f75a9a33d30880d290b5591b cve@mitre.org
- https://github.com/roundcube/roundcubemail/commit/440277c32e6d84f3d116153af1cc8454361a8a56 cve@mitre.org
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.18 cve@mitre.org
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.3 cve@mitre.org
- https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3 cve@mitre.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗