Vulnerability Description
Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.
CVSS Score
4.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Related Weaknesses (CWE)
References
- https://github.com/roundcube/roundcubemail/commit/26d7677
- https://news.ycombinator.com/item?id=46937012
- https://nullcathedral.com/posts/2026-02-08-roundcube-svg-feimage-remote-image-by
FAQ
What is CVE-2026-25916?
CVE-2026-25916 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.
How severe is CVE-2026-25916?
CVE-2026-25916 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-25916?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.