Exploit for Cross-site Scripting in Docmost

CVE-2026-34212 Docmost accepted a javascript: URL inside an at...

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...

📄 Docmost Cross Site Scripting

Docmost versions prior to 0.71.0 suffer from a persistent cross site scripting vulnerability. CVE-2026-34212 Docmost accepted a javascript: URL inside an attachment node, preserved it through storage and rendering, and turned it back into a clickable anchor in the Docmost origin. Intro I...

📄 Docmost 0.70.x Authorization Bypass

A low-privileged Docmost user could supply a victim attachmentId to the generic upload endpoint and overwrite another page's stored attachment inside the same workspace. Versions 0.3.0 through 0.70.x are affected. CVE-2026-34213 A low-privileged Docmost user could supply a victim attachmentId to...

PT-2026-52722

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-2026-13324

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...

GO-2026-5536 Gogs Missing Authorization in Attachment Download in gogs.io/gogs

Gogs Missing Authorization in Attachment Download in gogs.io/gogs. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, please suggest an...

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

The K2 extension for Joomla (versions

CVE-2026-48946 Joomla Extension - getk2.com - Privileged RCE vulnerability in K2 extension for Joomla < 2.26

The K2 frontend article-attachment upload path accepts files whose extension is .php, and Apache's standard modphp matches .php$ and executes them under the K2 web user. A K2 Author can upload a shell.php, then fetch /media/k2/attachments/shell.php and execute arbitrary PHP code in the web...

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-2026-48944

The K2 extension for Joomla (versions

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 Joomla Extension - getk2.org - 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...

CVE-2026-48944 Joomla Extension - getk2.org - 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...

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: Unrestricted Upload of File with Dangerous Type

The K2 frontend article-attachment upload path accepts files whose extension is .php, and Apache's standard modphp matches .php$ and executes them under the K2 web user. A K2 Author can upload a shell.php, then fetch /media/k2/attachments/shell.php and execute arbitrary PHP code in the web...

PT-2026-52467

The K2 frontend article-save handler accepts an attachmentNexisting POST field that is concatenated with JPATH SITE/ 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...

UNIX Symbolic Link (Symlink) Following

Overview Affected versions of this package are vulnerable to UNIX Symbolic Link Symlink Following through the WriteToCachedFile function when handling network cache files in certain configurations. An attacker can overwrite specific host files and change their ownership by planting a symbolic lin...