CVE-2026-3472 Markdown image rendering bypass in AI bot tool result posts in Mattermost

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to properly apply markdown image rendering restrictions to AI bot tool result posts, which allows an authenticated attacker to exfiltrate data to an attacker-controlled server via injecting markdown image syntax into to...

CVE-2026-3472 Markdown image rendering bypass in AI bot tool result posts in Mattermost

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to properly apply markdown image rendering restrictions to AI bot tool result posts, which allows an authenticated attacker to exfiltrate data to an attacker-controlled server via injecting markdown image syntax into to...

Exploit for Cross-site Scripting in Docmost

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

CVE-2026-53145

A flaw was found in the Linux kernel's Direct Rendering Manager DRM Graphics Execution Manager GEM subsystem. A race condition exists within the changehandle ioctl between gemclose and gemchangehandle operations. This could lead to incorrect handling of graphics memory, potentially resulting in...

CVE-2026-53169

A flaw was found in the Linux kernel's accel/ethosu driver. An unprivileged local user with access to the Direct Rendering Manager DRM device could submit a specific command NPUOPRESIZE that the driver does not properly handle. This could lead to excessive kernel log spam and, if the paniconwarn...

CVE-2026-8661

Server-Side Request Forgery in the markdowntopdf action of Rapid7 InsightConnect Markdown Plugin on Linux in versions prior to 4.0.2 allows remote attackers to make arbitrary outbound HTTP requests via unsanitized resource-loading HTML elements img/src, CSS url, @import embedded in Markdown input...

CVE-2026-8661

Server-Side Request Forgery in the markdowntopdf action of Rapid7 InsightConnect Markdown Plugin on Linux in versions prior to 4.0.2 allows remote attackers to make arbitrary outbound HTTP requests via unsanitized resource-loading HTML elements img/src, CSS url, @import embedded in Markdown input...

CVE-2026-44696: Improper Neutralization of Input During Web Page Generation

OpenProject is open-source, web-based project management software. Prior to 17.4.0, OpenProject's rich text markdown rendering pipeline uses Sanitize::Config::RELAXED:css for inline style sanitization. This configuration permits essentially all CSS properties in style attributes on permitted HTML...

CVE-2026-3472: Protection Mechanism Failure

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to properly apply markdown image rendering restrictions to AI bot tool result posts, which allows an authenticated attacker to exfiltrate data to an attacker-controlled server via injecting markdown image syntax into to...

Linux kernel DRI DoS

The vulnerability of the functions dpdisplaygetnextbridge drivers/gpu/drm/msm/dp/dpdisplay.c and dpparserfindnextbridge drivers/gpu/drm/msm/dp/dpparser.c in the Linux kernel’s Direct Rendering Infrastructure DRI driver framework is related to the distribution of resources without any restrictions...

Linux DRI Kernel Module Heap Buffer Overflow DoS

The vulnerability of the mesondrvunbind function in the drivers/gpu/drm/meson/mesondrv.c file, a part of the Direct Rendering Infrastructure DRI driver framework for the Linux operating system, relates to the reutilization of previously freed memory. Exploiting this vulnerability could allow an...

PT-2026-52721

Mattermost versions 10.11.x = 10.11.18, 11.6.x = 11.6.3, 11.5.x = 11.5.6 fail to properly apply markdown image rendering restrictions to AI bot tool result posts, which allows an authenticated attacker to exfiltrate data to an attacker-controlled server via injecting markdown image syntax into to...

GO-2026-5702 SiYuan Affected by Zero-Click NTLM Hash Theft and Blind SSRF via Mermaid Diagram Rendering in github.com/siyuan-note/siyuan/kernel

SiYuan Affected by Zero-Click NTLM Hash Theft and Blind SSRF via Mermaid Diagram Rendering in github.com/siyuan-note/siyuan/kernel...

GO-2026-5644 SiYuan: Stored XSS in Attribute View Gallery/Kanban Cover Rendering Allows Arbitrary Command Execution in Desktop Client in github.com/siyuan-note/siyuan/kernel

SiYuan: Stored XSS in Attribute View Gallery/Kanban Cover Rendering Allows Arbitrary Command Execution in Desktop Client in github.com/siyuan-note/siyuan/kernel. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module...

CVE-2026-44016

A flaw was found in Docling. If the HTML backend is explicitly configured for rendering, a remote attacker could exploit a vulnerability in the Playwright-based rendering feature by crafting malicious HTML documents. This could allow the attacker to execute arbitrary JavaScript or make unauthoriz...

GO-2026-5207 Fleet: Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering in github.com/rancher/fleet

Fleet: Helm impersonation bypass of RESTClientGetter retains cluster-admin during template rendering in github.com/rancher/fleet...

CVE-2026-50556

A flaw was found in @angular/platform-server. This Cross-Site Scripting XSS vulnerability exists in its DOM emulation dependency, domino, when handling the content of elements during server-side rendering. A remote attacker could exploit this by injecting unescaped closing tags within dynamic tex...

GO-2026-5124 Gogs has DoS in rendering issue index pattern in gogs.io/gogs

Gogs has DoS in rendering issue index pattern 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 edi...

CVE-2026-52966

A flaw was found in the Linux kernel's Direct Rendering Manager DRM subsystem. A logical error in the 'change handle' logic, specifically related to the replacement of IDR ID allocator pointers, could lead to a kernel warning or system panic. This issue could allow a local attacker to trigger a...

webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash

A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling...