EUVD-2026-38054

PhpWeasyPrint vulnerable to SSRF and local file disclosure via the attachment option...

CVE-2026-52951

A flaw was found in the Linux kernel's drm/xe/dma-buf subsystem. This vulnerability involves race conditions when handling the invalidatemappings hook, particularly during buffer object initialization and attachment. An attacker, by triggering specific sequences of operations, could exploit these...

Zimbra Collaboration Suite - Cross-site Scripting

Cross-site scripting XSS vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite ZCS before 8.7 Patch 1 and 8.8.x before 8.8.7 might allow remote attackers to inject arbitrary web script or HTML via a Content-Location header in an email attachment. id:...

Group-Office < 26.0.5 - Remote Code Execution

Group-Office before versions 6.8.150, 25.0.82, and 26.0.5 is vulnerable to remote code execution via OS command injection. The endpoint email/message/tnefAttachmentFromTempFile directly concatenates the user-controlled parameter tmpfile into an exec call. By injecting shell metacharacters into...

EspoCRM <= 9.3.3 - Server-Side Request Forgery

EspoCRM = 9.3.3 contains an authenticated server-side request forgery caused by improper internal-host validation using alternative IPv4 formats in HostCheck::isNotInternalHost, letting authenticated users access internal resources via /api/v1/Attachment/fromImageUrl endpoint. id: CVE-2026-33534...

WP Attachment Export < 0.2.4 - Unrestricted File Download

The plugin does not have proper access controls, allowing unauthenticated users to download the XML data that holds all the details of attachments/posts on a Wordpress powered site. This includes details of even privately published posts and password protected posts with their passwords revealed ...

CVE-2026-4339

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to validate attachment URLs against internal or private IP ranges in the Mattermost Agents plugin MCP server which allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery SS...

CVE-2026-4339

Mattermost CPT: CVE-2026-4339 affects Mattermost versions 10.11.x up to 10.11.18, 11.6.x up to 11.6.3, and 11.5.x up to 11.5.6. The vulnerability arises from the Agents plugin MCP server failing to validate attachment URLs against internal/private IP ranges, enabling an attacker with MCP stdio ac...

CVE-2026-4339 SSRF via unvalidated attachment URLs in Mattermost Agents plugin MCP server

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to validate attachment URLs against internal or private IP ranges in the Mattermost Agents plugin MCP server which allows an attacker with access to the MCP server in stdio mode to perform server-side request forgery SS...

CVE-2026-53236

A flaw was found in the Linux kernel's handling of TCP sockets. An unprivileged application can exploit this vulnerability by attaching a Berkeley Packet Filter BPF using the SOATTACHFILTER option. This allows the application to conduct a side-channel attack, leading to the leakage of sensitive T...

CVE-2026-13324

A vulnerability has been identified in the GNOME Geary package within its mailto URI handling component. This flaw occurs because the email client automatically processes a non-standard attach parameter in email links without prompting or alerting the user. An attacker could exploit this by...

CVE-2025-71333 Flowise - Arbitrary File Upload via Unauthenticated /api/v1/attachments Endpoint

Flowise through 2.2.4 contains an unauthenticated arbitrary file upload vulnerability in the /api/v1/attachments endpoint when storageType is set to local. Attackers can exploit path traversal in the chatId and chatflowId parameters to upload malicious files to arbitrary directories, potentially...

CVE-2026-48944

The K2 frontend article-save handler accepts an attachmentNexisting POST field that is concatenated with JPATHSITE/ and passed to JFile::copy. JPath::clean does NOT strip .., and there is no allow-list of source paths. An Author can therefore copy configuration.php or any other file readable by t...

CVE-2026-48946

CVE-2026-48946 affects the K2 frontend Joomla extension (getk2.com) prior to version 2.26. The issue allows a K2 Author to upload a PHP file (e.g., shell.php) via the article-attachment upload path; Apache mod_php executes the file under the K2 web user, enabling arbitrary PHP code execution in t...

CVE-2026-48944 Joomla Extension - getk2.com - Exposure of sensitive files via attachment copy in K2 extension for Joomla < 2.26

The K2 frontend article-save handler accepts an attachmentNexisting POST field that is concatenated with JPATHSITE/ and passed to JFile::copy. JPath::clean does NOT strip .., and there is no allow-list of source paths. An Author can therefore copy configuration.php or any other file readable by t...

EUVD-2026-39440

The K2 frontend article-save handler accepts an attachmentNexisting POST field that is concatenated with JPATHSITE/ and passed to JFile::copy. JPath::clean does NOT strip .., and there is no allow-list of source paths. An Author can therefore copy configuration.php or any other file readable by t...

CVE-2026-48944

Summary: CVE-2026-48944 affects the K2 Joomla extension (getk2.com) where the frontend article-save handler accepts a parameter attachment[N][existing] that is concatenated with JPATH_SITE/ and passed to JFile::copy(). Since JPath::clean does not strip “..” and there is no allow-list of source pa...

CVE-2026-52799

Gogs is an open source self-hosted Git service. Prior to 0.14.3, GET /attachments/:uuid returns the raw attachment file without verifying whether the requester has view permission for the associated Issue/Comment/Release or the repository. In a test environment with REQUIRESIGNINVIEW = false, we...

CVE-2026-52799

Gogs is an open source self-hosted Git service. Prior to 0.14.3, GET /attachments/:uuid returns the raw attachment file without verifying whether the requester has view permission for the associated Issue/Comment/Release or the repository. In a test environment with REQUIRESIGNINVIEW = false, we...

CVE-2026-52799 Gogs: Missing Authorization in Attachment Download

Gogs is an open source self-hosted Git service. Prior to 0.14.3, GET /attachments/:uuid returns the raw attachment file without verifying whether the requester has view permission for the associated Issue/Comment/Release or the repository. In a test environment with REQUIRESIGNINVIEW = false, we...