CVE-2026-34975

CVE-2026-34975 — CRLF Email Header Injection in Plunk via raw MIME construction Severity : High CVSS 8.5 CWE : CWE-93 — Improper Neutralization of CRLF Sequences 'CRLF Injection' Affected : useplunk/plunk = 0.7.1 Fixed in : 0.8.0 Advisory : GHSA-2mvm-rg5v-7hfq NVD :...

[SECURITY] [DSA 6579-1] roundcube security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6579-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso October 23, 2026 https://www.debian.org/security/faq -...

Debian dsa-6579 : roundcube - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6579 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6579-1 [email protected] https://www.debian.org/securit...

Roundcube Webmail Project Roundcube Webmail Input validation error vulnerability

The Roundcube Webmail project contains an input validation error vulnerability in versions prior to 1.6.20 and 1.7.5 of version 1.7.x. This vulnerability stems from an email header injection issue during Bounce operations. The function rcubemime::decodeaddresslist fails to remove control characte...

Roundcube Webmail Project Roundcube Webmail Input validation error vulnerability

The Roundcube Webmail project contains an input validation error vulnerability in versions prior to 1.6.20 and 1.7.5 of version 1.7.x. This vulnerability arises because rcmailsendmail only strips line breaks from the Subject and Organization headers, failing to sanitize other header values receiv...

CVE-2026-91831

The Subscribe to Comments WordPress plugin before 2.3.3 does not sanitise newline characters from a notification sender-name setting before using it in e-mail headers, allowing users with Author-level access and above to inject arbitrary e-mail headers, such as a hidden Bcc, and to spoof the send...

EUVD-2026-104101

The Subscribe to Comments WordPress plugin before 2.3.3 does not sanitise newline characters from a notification sender-name setting before using it in e-mail headers, allowing users with Author-level access and above to inject arbitrary e-mail headers, such as a hidden Bcc, and to spoof the send...

CVE-2026-91831 Subscribe to Comments 2.3 - 2.3.2 - Author+ Email Header Injection via From Name Setting

The Subscribe to Comments WordPress plugin before 2.3.3 does not sanitise newline characters from a notification sender-name setting before using it in e-mail headers, allowing users with Author-level access and above to inject arbitrary e-mail headers, such as a hidden Bcc, and to spoof the send...

WordPress Subscribe to Comments plugin < 2.3.3 - Author+ Email Header Injection vulnerability

Author+ Email Header Injection vulnerability discovered by Het Kalariya in WordPress Plugin Subscribe to Comments versions 2.3.3...

CVE-2026-91831

The Subscribe to Comments WordPress plugin versions before 2.3.3 is vulnerable to an Email Header Injection flaw. The application fails to sanitize newline characters in the notification sender-name setting before utilizing them in email headers. This allows users with Author-level access or high...

CVE-2026-91831 Subscribe to Comments 2.3 - 2.3.2 - Author+ Email Header Injection via From Name Setting

The Subscribe to Comments WordPress plugin before 2.3.3 does not sanitise newline characters from a notification sender-name setting before using it in e-mail headers, allowing users with Author-level access and above to inject arbitrary e-mail headers, such as a hidden Bcc, and to spoof the send...

PT-2026-117251

The Subscribe to Comments WordPress plugin before 2.3.3 does not sanitise newline characters from a notification sender-name setting before using it in e-mail headers, allowing users with Author-level access and above to inject arbitrary e-mail headers, such as a hidden Bcc, and to spoof the send...

MGASA-2026-0507 Updated roundcubemail package fixes security vulnerabilities

Fix CSS declaration smuggling via un-encoded ampersand emission, reported by Zach Hanley of Horizon3.ai Fix CSS property injection via body background attribute, reported by zenithhostingevan Fix email header injection via bare CR in the subject field, reported by CVE-Hunter-Leo Fix email header...

[SECURITY] [DSA 6545-1] roundcube security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6545-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso October 06, 2026 https://www.debian.org/security/faq -...

Debian dsa-6545 : roundcube - security update

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6545 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6545-1 [email protected] https://www.debian.org/security/...

[SECURITY] [DLA 4823-1] roundcube security update

Debian LTS Advisory DLA-4823-1 [email protected] https://www.debian.org/lts/security/ Guilhem Moulin October 05, 2026 https://wiki.debian.org/LTS Package : roundcube Version : 1.6.5+dfsg-1+deb12u12 CVE ID : not yet available Debian Bug : 1146838 Multiple vulnerabilities were discovered ...

Debian dla-4823 : roundcube - security update

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4823 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4823-1 [email protected]...

Fedora 45 : roundcubemail (2026-6ab831c1c5)

The remote Fedora 45 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-6ab831c1c5 advisory. Release 1.7.4 - Use X-Content-Type-Options:nosniff for attachment previews and downloads 10308 - zipdownload: Fix attachment filename sanitisation of backsla...

CVE-2026-86813

CVE-2026-86813 affects the MetForm WordPress plugin prior to version 4.1.9 . The vulnerability resides in how the plugin handles newline characters in user-submitted values that are placed into notification email headers, specifically the Reply-To field. An unauthenticated attacker can inject add...

CVE-2026-86813 MetForm < 4.1.9 - Unauthenticated Email Header Injection via Notification Reply-To

The MetForm WordPress plugin before 4.1.9 does not properly neutralize newline characters in user-submitted values that are placed into notification email headers, allowing unauthenticated attackers to inject additional email headers, such as Bcc, into the emails the site sends when a submitted...