CVE-2026-77912

A stored cross-site scripting (XSS) vulnerability exists in GitHub Enterprise Server within the Markdown rendering pipeline . The flaw occurs because the pipeline rewrote quote characters in already-sanitized HTML without performing subsequent re-sanitization, allowing an authenticated attacker t...

PT-2026-97051

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions 3.17 through 3.17.20 GitHub Enterprise Server versions 3.18 through 3.18.14 GitHub Enterprise Server versions 3.19 through 3.19.11 GitHub Enterprise Server versions 3.20 through 3.20.7 GitHub Enterprise Server...

CVE-2026-77912: Improper Neutralization of Input During Web Page Generation

A stored cross-site scripting XSS vulnerability was identified in GitHub Enterprise Server that allowed an authenticated attacker to inject arbitrary HTML attributes into rendered Markdown because the Markdown rendering pipeline rewrote quote characters in already-sanitized HTML without...

CVE-2026-49865

Kimai , an open-source time tracking application, versions prior to 2.58.0 are affected by a Server-Side Request Forgery (SSRF) in the invoice PDF preview and generation workflow. The root cause is that user-controlled Markdown fields (e.g., Customer.invoiceText) pass through an md2html filter in...

EUVD-2026-76765

Kimai is an open-source time tracking application. Versions prior to 2.58.0 contain a server-side request forgery vulnerability in their invoice PDF preview and generation workflow. If an attacker can control Markdown content that is later rendered into an invoice PDF, such as Customer.invoiceTex...

CVE-2026-8447

IBM Langflow OSS versions 1.0.0 through 1.11.2 contain a stored cross-site scripting vulnerability in the Playground chat interface. The root cause is the MarkdownField component rendering chat messages via the rehypeRaw plugin without a sanitization pass, allowing attacker-controlled LLM respons...

CVE-2026-8447 Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized Markdown rendering and untrusted proxy header trust

IBM Langflow OSS 1.0.0 through 1.11.2 suffer from a stored cross-site scripting vulnerability in the Playground chat interface...

CVE-2026-8447 Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized Markdown rendering and untrusted proxy header trust

IBM Langflow OSS 1.0.0 through 1.11.2 suffer from a stored cross-site scripting vulnerability in the Playground chat interface...

CVE-2026-9186

IBM Langflow OSS versions 1.0.0 through 1.11.2 contain an improper access control vulnerability (CWE-284) in the MCP configuration installation endpoint. The endpoint enforces a localhost-only restriction using a client IP helper that blindly trusts the X-Forwarded-For header without verifying th...

CVE-2026-9186 Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized Markdown rendering and untrusted proxy header trust

IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass localhost-only MCP configuration installation by spoofing X-Forwarded-For: 127.0.0.1 header, enabling arbitrary writes to IDE config files /.cursor/mcp.json, etc...

CVE-2026-9186 Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized Markdown rendering and untrusted proxy header trust

IBM Langflow OSS 1.0.0 through 1.11.2 allows remote authenticated attackers to bypass localhost-only MCP configuration installation by spoofing X-Forwarded-For: 127.0.0.1 header, enabling arbitrary writes to IDE config files /.cursor/mcp.json, etc...

CVE-2026-85600 Grav Admin before 2.0.21 Stored XSS via username

Grav Admin getgrav/grav-plugin-admin2 versions , ", or ', allowing an attacker to register a username containing an HTML payload. When an administrator views a UI surface that renders the username through tHtml—such as the two-factor force-disable confirmation prompt or the 'page is locked' edito...

CVE-2026-82881 Aix-DB through 1.2.4 Stored Cross-Site Scripting via Markdown

Aix-DB through 1.2.4 renders markdown with raw HTML enabled into v-html bindings without sanitization, allowing stored cross-site scripting attacks. Attackers can inject malicious HTML and JavaScript through markdown content in chat responses, skill descriptions, or knowledge messages that execut...

CVE-2026-82881 Aix-DB through 1.2.4 Stored Cross-Site Scripting via Markdown

Aix-DB through 1.2.4 renders markdown with raw HTML enabled into v-html bindings without sanitization, allowing stored cross-site scripting attacks. Attackers can inject malicious HTML and JavaScript through markdown content in chat responses, skill descriptions, or knowledge messages that execut...

CVE-2026-82881

Aix-DB through version 1.2.4 is vulnerable to stored cross-site scripting (XSS) . The root cause is that markdown is rendered with raw HTML enabled and bound to v-html without sanitization (specifically in web/src/components/MarkdownPreview/plugins/markdown.ts). An attacker with low privileges ca...

CVE-2026-82881 Aix-DB through 1.2.4 Stored Cross-Site Scripting via Markdown

Aix-DB through 1.2.4 renders markdown with raw HTML enabled into v-html bindings without sanitization, allowing stored cross-site scripting attacks. Attackers can inject malicious HTML and JavaScript through markdown content in chat responses, skill descriptions, or knowledge messages that execut...

PT-2026-83785

Name of the Vulnerable Software and Affected Versions Aix-DB versions 1.0 through 1.2.4 Description The software renders markdown with raw HTML enabled into v-html bindings without proper sanitization, leading to stored cross-site scripting. This allows attackers to inject malicious HTML and...

Security Bulletin: Langflow is vulnerable to stored cross-site scripting and IP spoofing due to unsanitized Markdown rendering and untrusted proxy header trust

Summary Langflow contains two vulnerabilities affecting client-side security and access control integrity. The MarkdownField component renders chat messages using the rehypeRaw plugin without a sanitization pass, causing attacker-controlled LLM response text containing raw HTML to be inserted...

CVE-2026-79663 Ech0 before 4.7.3 Stored XSS via RSS feed tag names

Ech0 before 4.7.3 contains a stored cross-site scripting vulnerability in the public RSS feed where tag names and markdown content are rendered without HTML escaping. Attackers with admin privileges can inject malicious tag names or raw HTML in echo content that executes as JavaScript in RSS...

CVE-2026-77088

justhtml versions 0.9.0 through 1.21.0 are affected by a cross-site scripting (XSS) vulnerability in the to_markdown() function. The root cause is that inline code spans fail to treat blank lines as block boundaries. An attacker can inject blank lines into or element text to break the inline sp...