CVE-2026-84642

The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 15...

CVE-2026-84637

Malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows, bypassing Thunderbird's normal executable attachment protections. With the new invitation display enabled, the attachment could also appear under a misleading filename. This...

UBUNTU-CVE-2026-84637

Malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows, bypassing Thunderbird's normal executable attachment protections. With the new invitation display enabled, the attachment could also appear under a misleading filename. This...

CVE-2026-84637

Malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows, bypassing Thunderbird's normal executable attachment protections. With the new invitation display enabled, the attachment could also appear under a misleading filename. This...

UBUNTU-CVE-2026-84642

The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 15...

CVE-2026-84642

The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 15...

CVE-2026-84637

A flaw was found in Thunderbird. Malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows systems. This bypasses Thunderbird's built-in protections for executable attachments, potentially leading to arbitrary code execution...

CVE-2026-84642

The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 15...

CVE-2026-84642 Allowed UNC hostnames for attachments interpreted as a regular expression

The values of the mail.allowedattachmenthostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 15...

CVE-2026-84637 Calendar invitation attachments could launch local executables

Malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows, bypassing Thunderbird's normal executable attachment protections. With the new invitation display enabled, the attachment could also appear under a misleading filename. This...

CVE-2026-84637

Malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows, bypassing Thunderbird's normal executable attachment protections. With the new invitation display enabled, the attachment could also appear under a misleading filename. This...

CVE-2026-84637

CVE-2026-84637 is a critical (CVSS 9.8) vulnerability in Mozilla Thunderbird where malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows , bypassing Thunderbird's normal executable attachment protections. With the new invitation dis...

CVE-2026-84204

GROWI contains an access control vulnerability in the GET /api/v3/attachment/:id endpoint that fails to validate page access permissions. Authenticated attackers can retrieve attachment metadata from pages they cannot view by supplying known attachment identifiers...

EUVD-2026-69291

GROWI contains an access control vulnerability in the GET /api/v3/attachment/:id endpoint that fails to validate page access permissions. Authenticated attackers can retrieve attachment metadata from pages they cannot view by supplying known attachment identifiers...

CVE-2026-84204

GROWI through 8.0.2 contains an access control vulnerability in the GET /_api/v3/attachment/:id endpoint that fails to validate page access permissions. Authenticated attackers can retrieve attachment metadata from pages they are not authorized to view by supplying known attachment identifiers. T...

CVE-2026-84204 GROWI through 8.0.2 Missing Authorization on apiv3 Attachment Retrieval

GROWI contains an access control vulnerability in the GET /api/v3/attachment/:id endpoint that fails to validate page access permissions. Authenticated attackers can retrieve attachment metadata from pages they cannot view by supplying known attachment identifiers...

CVE-2026-84232

A flaw was found in pulpcore's content serving application. Files uploaded to Pulp file-type repositories are served with their original content type e.g., text/html for .html files, image/svg+xml for .svg files and without a Content-Disposition: attachment header when using local filesystem...

WordPress WooCommerce Product Attachment plugin <= 2.3.3 - Sensitive Data Exposure vulnerability

Sensitive Data Exposure vulnerability discovered by Jakub Herman in WordPress Plugin WooCommerce Product Attachment versions = 2.3.3...

PT-2026-84524

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 153.2 Thunderbird versions prior to 154 Description Malicious calendar invitations can utilize file URI attachments to execute local or network-hosted executables on Windows systems, bypassing standard executable...

GHSA-F2XF-7X3G-4272 PrivateBin has stored Cross-Side-Scripting (XSS) vulnerability in attachment download link via dangerous MIME types with required user-interaction

Summary Stored cross-site scripting XSS in PrivateBin's attachment download link. An anonymous attacker can create a paste with a text/html attachment that, with certain user interaction, bypasses protections similar to CVE-2022-24833. When a victim opens the "Download attachment" link in a new...