UpHeron
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Servers and applications

CVE-2026-114728

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a remote content blocking bypass in the handling of FuncIRI attributes. rcube_washtml detected the CSS url() token with a pattern that enumerated only some of its escaped spellings, so values using other CSS escape sequences, for example \000075rl( or u\72 l(, were not recognized and remote content was loaded from an HTML…

Severity
Medium 5.3
Published
22 Oct 2026
Last changed
29 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.6.20, 1.7.5
Sources
NVD

Affected software

SoftwareAffected versions
RoundcubeServers and applications · cpe:a:roundcube:webmail
  • From 1.6.0 before 1.6.20
  • From 1.7.0 before 1.7.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-114728
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-114728