All vulnerabilities

Servers and applications

CVE-2026-114716

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a mail header injection vulnerability. rcmail_sendmail::extract_inline_images() used the media type taken from an inline image data URI without validating it, so a remote authenticated attacker could inject arbitrary MIME part headers into the outgoing message by placing CRLF sequences in that media type. Upstream fixed this…

Severity
High 8.5
Published
22 Oct 2026
Last changed
30 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-2026-114716
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-114716