MGASA-2026-0532
Updated roundcubemail package fixes security vulnerabilities
No scoreFix available
- Fix IMAP command injection via CRLF in _uid parameter of mail/headers and mail/viewsource action, reported by Wahab “NeoX” K.
- Fix bug where an alias login wasn’t qualified by IMAP host, reported by Milan Hoppe.
- Add a size limit to the CSS proxy content processing, reported by Milan Hoppe.
- Fix SSRF filter (is_local_url()) bypass via NAT64 64:ff9b::/96, reported by dizconnect.
- Fix remote content blocking bypass via SVG SMIL by attribute, reported by Milan Hoppe.
- Fix remote content blocking bypass via CSS escapes in FuncIRI attributes (again), reported by Milan Hoppe.
- Fix passing potentally unsafe attachment content into ImageMagick on image resize, reported by Paulos Yibelo
- Fix mail header injection via the From display-name in the Bounce (resend) action, reported by Clay.
- Fix mail header injection via References/In-Reply-To/Message-ID/From parameters, reported by Sunil Tripathy.
- Fix object injection primitive in rcube_session::unserialize() via “!”-prefixed session keys, reported by Oli Z.
- Fix ImageMagick resource limits bypass by GD fallback during thumbnail generation, reported by GoldenSW.
- Fix CSS scoping bypass in HTML messages using at-rules, reported by GoldenSW.
- Fix bug where deprecated action aliases bypassed disabled_actions setting, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix IMAP command injection via CRLF in _flag parameter of mail/mark action, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix CSRF validation bypass in the mark-as-junk action, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix XSS issue in handling of password driver error responses, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix mail header injection via subject of a message forwarded as attachment, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix mail header injection via media type in an inline image data URI, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix bug where Password Modoboa driver could change password for another account, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix unsafe use of a login name in SquirrelMail import file path, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
What each source reports
OSV No score
Updated roundcubemail package fixes security vulnerabilities
- Fix IMAP command injection via CRLF in _uid parameter of mail/headers and mail/viewsource action, reported by Wahab “NeoX” K.
- Fix bug where an alias login wasn’t qualified by IMAP host, reported by Milan Hoppe.
- Add a size limit to the CSS proxy content processing, reported by Milan Hoppe.
- Fix SSRF filter (is_local_url()) bypass via NAT64 64:ff9b::/96, reported by dizconnect.
- Fix remote content blocking bypass via SVG SMIL by attribute, reported by Milan Hoppe.
- Fix remote content blocking bypass via CSS escapes in FuncIRI attributes (again), reported by Milan Hoppe.
- Fix passing potentally unsafe attachment content into ImageMagick on image resize, reported by Paulos Yibelo
- Fix mail header injection via the From display-name in the Bounce (resend) action, reported by Clay.
- Fix mail header injection via References/In-Reply-To/Message-ID/From parameters, reported by Sunil Tripathy.
- Fix object injection primitive in rcube_session::unserialize() via “!”-prefixed session keys, reported by Oli Z.
- Fix ImageMagick resource limits bypass by GD fallback during thumbnail generation, reported by GoldenSW.
- Fix CSS scoping bypass in HTML messages using at-rules, reported by GoldenSW.
- Fix bug where deprecated action aliases bypassed disabled_actions setting, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix IMAP command injection via CRLF in _flag parameter of mail/mark action, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix CSRF validation bypass in the mark-as-junk action, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix XSS issue in handling of password driver error responses, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix mail header injection via subject of a message forwarded as attachment, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix mail header injection via media type in an inline image data URI, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix bug where Password Modoboa driver could change password for another account, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Fix unsafe use of a login name in SquirrelMail import file path, reported by Squirt1e, Atum, N0b0dy, and Gh0u1L5.
- Record
MGASA-2026-0532- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
roundcubemailMageia:10 |
before 1.7.5-1.mga10 | 1.7.5-1.mga10 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
MGASA-2026-0532 is a vulnerability with no CVSS score yet in roundcubemail, published October 23, 2026. No source lists public exploit code. Fixed in roundcubemail 1.7.5-1.mga10.