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CVE-2026-35545

Medium priority
Needs evaluation

An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed via SVG content in an e-mail message. This may lead to information disclosure or access-control bypass. This...

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-35544

Medium priority
Needs evaluation

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important.

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-35543

Medium priority
Needs evaluation

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or...

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-35542

Medium priority
Needs evaluation

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information...

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-35541

Medium priority
Needs evaluation

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing the old password.

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-35540

Medium priority
Needs evaluation

An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local...

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-35539

Medium priority
Needs evaluation

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. XSS exists because of insufficient HTML attachment sanitization in preview mode. A victim must preview a text/html attachment.

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-35538

Medium priority
Needs evaluation

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could lead to IMAP injection or CSRF bypass during mail search.

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-35537

Medium priority
Needs evaluation

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache session handler may lead to arbitrary file write operations by unauthenticated attackers via crafted session data.

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-26079

Medium priority
Vulnerable

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13 allows Cascading Style Sheets (CSS) injection, e.g., because comments are mishandled.

1 affected package

roundcube

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
roundcube Vulnerable Vulnerable Vulnerable Vulnerable
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