PYSEC-2026-2910 PraisonAI Vulnerable to Stored XSS via Unsanitized Agent Output in HTML Rendering (nh3 Not a Required Dependency)

Summary The Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The sanitizehtml function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml. When nh3 is absent the default installation, the...

PT-2026-59545

Summary The Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The sanitize html function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml. When nh3 is absent the default installation, the...

PT-2026-59348

Summary Through the HTML rendering view, scripts can be injected and executed. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Op...

PT-2026-59373

Related advisory This advisory tracks a regression of the original Excel-preview XSS that was publicly disclosed and patched under GHSA-jwf8-pv5p-vhmc patched in v0.8.0. The same root cause — XLSX.utils.sheet to html output rendered via @html excelHtml without DOMPurify — was reintroduced sometim...

PT-2026-59171

Summary The ha-mcp OAuth consent form renders user-controlled parameters via Python f-strings with no HTML escaping. An attacker who can reach the OAuth endpoint and convince the server operator to follow a crafted authorization URL could execute JavaScript in the operator's browser. This affects...

SUSE CVE-2026-59923

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

CVE-2026-55437

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.17, 2.32.7, 2.33.8, and 2.34.2, the AgentLogLine dashboard component instantiated ansi-to-html without escapeXML: true and inserted the result via dangerouslySetInnerHTML so HTML embedded...

CVE-2026-55437

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.17, 2.32.7, 2.33.8, and 2.34.2, the AgentLogLine dashboard component instantiated ansi-to-html without escapeXML: true and inserted the result via dangerouslySetInnerHTML so HTML embedded...

CVE-2026-55647 DataEase: authenticated stored XSS in the dashboard text components

DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, dashboard text components render stored component content with Vue v-html without server-side HTML sanitization, allowing an authenticated user who can edit dashboard component data to inject HTML with executable...

PYSEC-2026-1696 NiceGUI Stored/Reflected XSS in ui.interactive_image via unsanitized SVG content

Summary A Cross-Site Scripting XSS vulnerability exists in the ui.interactiveimage component of NiceGUI v3.3.1 and earlier. The component renders SVG content using Vue's v-html directive without any sanitization. This allows attackers to inject malicious HTML or JavaScript via the SVG tag. Detail...

Potentially untrusted input is rendered as HTML in final output

ImpactAll users of mjml-python who insert untrusted data into mjml templates unless that data is checked in a very strict manner. User input like would be rendered as...

PYSEC-2026-1631 Potentially untrusted input is rendered as HTML in final output

Impact All users of mjml-python who insert untrusted data into mjml templates unless that data is checked in a very strict manner. User input like script would be rendered as in the final HTML output. The attacker must be able to control some data which is later injected in an mjml template which...

DEBIAN-CVE-2026-50133

Hugo is a static site generator. Prior to 0.162.0, Hugo accepts content files in several markup formats. Files mapped to the text/html media type typically .html files under /content, or pages produced by a content adapter that sets content.mediaType = "text/html" had their body emitted verbatim...

PT-2026-55747

fulgur converts untrusted HTML/CSS into PDF, commonly on a server that processes input supplied by many tenants. In versions prior to 0.26.0, a childless box that resolves to a pathologically tall height was amplified into thousands of blank PDF pages, even when it produces no visible output. The...

EUVD-2026-41421

RAGFlow before 0.26.3 stores an agent pipeline DSL node name without sanitization: the agent update endpoint normalizes the submitted DSL via normalizedsl, which only performs JSON serialization validation and preserves the node name verbatim. The dataflow-result web UI then renders that name int...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the OAuth callback controller process. An attacker can execute arbitrary JavaScript in authenticated users' browsers by crafting malicious OAuth callback URLs containing unsanitized error query parameters...

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...

PYSEC-2026-2142

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. FIn versions = 2.82.0, 2.91.0, if the HTML backend was explicitly configured for rendering rendering option by default deactivated, then the Playwright-based rendering...

PYSEC-2026-2142

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. FIn versions = 2.82.0, 2.91.0, if the HTML backend was explicitly configured for rendering rendering option by default deactivated, then the Playwright-based rendering...

CVE-2026-44016

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. FIn versions = 2.82.0, 2.91.0, if the HTML backend was explicitly configured for rendering rendering option by default deactivated, then the Playwright-based rendering...