PYSEC-2026-4286 Pydantic AI: Event loop blocked by quadratic title extraction in `web_fetch`

Summary The local web-fetch tool webfetchtool, also used as the WebFetch capability's local fallback processed responses with several steps whose running time grows quadratically with the size of certain server-controlled inputs, and ran them on the event loop: decoding the body with whichever...

Pydantic AI: Event loop blocked by quadratic title extraction in `web_fetch`

SummaryThe local web-fetch tool webfetchtool, also used as the WebFetch capability's local fallback processed responses with several steps whose running time grows quadratically with the size of certain server-controlled inputs, and ran them on the event loop: decoding the body with whichever...

PYSEC-2026-4214 Docling has SSRF guard bypass in remote resource fetching (DNS rebinding / multi-record resolution; no IP validation in HTML render mode)

Summary When remote fetching is enabled enableremotefetch=True, together with fetchimages=True or HTML renderpage=True, docling's protection against requests to private and loopback addresses can be bypassed. - The URL check resolves the host name once, to a single IPv4 address. The HTTP request...

PYSEC-2026-4211 Docling: Unbounded table rowspan/colspan in HTML, JATS, ODS and BoxNote backends causes CPU/memory exhaustion

Summary The HTML, JATS, ODS OpenDocument spreadsheet and BoxNote backends accept table rowspan / colspan values without an upper bound. A few bytes of input, such as , make docling run loops proportional to the declared span and allocate a table grid of the declared size. The result is CPU and...

PYSEC-2026-4219 GPT Researcher MCP STDIO configuration allows remote command execution

An issue in Open Source GPT Researcher v3.3.7 allows attackers to execute arbitrary commands on a victim system via user interaction with a crafted HTML page...

firefox: thunderbird: Use-after-free in the DOM: HTML Parser component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: HTML Parser component...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: thunderbird: Sandbox escape in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the DOM: Core & HTML component...

html/template: golang: Go html/template: Cross-Site Scripting via pathological input

A flaw was found in the html/template component of Go golang. Pathological inputs could prematurely close an unescaped forward slash '/', allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting XSS, where malicious scripts are executed in a user's browser,...

CLEANSTART-2026-PW76062 Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree

CVE-2026-25681 affects multiple packages. Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. See references for individual vulnerability details...

CLEANSTART-2026-TI55611 Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree

CVE-2026-27136 affects multiple packages. Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. See references for individual vulnerability details...

CLEANSTART-2026-YG55734 Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service

CVE-2026-25680 affects multiple packages. Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service. See references for individual vulnerability details...

CLEANSTART-2026-TB44921 Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree

CVE-2026-42506 affects multiple packages. Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. See references for individual vulnerability details...

CLEANSTART-2026-MC43887 Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree

CVE-2026-42502 affects multiple packages. Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. See references for individual vulnerability details...

CLEANSTART-2026-FL89877 html

CVE-2025-58190 affects multiple packages. The html. See references for individual vulnerability details...

CLEANSTART-2026-EM69847 html

CVE-2025-47911 affects multiple packages. The html. See references for individual vulnerability details...

PT-2026-115317

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 155.0.8059.84 Description Improper input validation in the Desktop component allows a remote attacker to potentially execute arbitrary code outside the sandbox by inducing the user to visit a crafted HTML page...

CVE-2026-110916: Improper Input Validation

Improper input validation in Desktop in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-59994: Improper Neutralization of Input During Web Page Generation

EspoCRM is an open source customer relationship management application. Prior to 9.3.9, an unauthenticated remote attacker can send an email to a monitored group or IMAP address, including an email-to-Case address, and place arbitrary HTML in its plain-text body. EspoCRM stores that body and...

CVE-2026-106161: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

In Progress® Kendo® UI for jQuery releases starting with v2020.1.114 and prior to 2026.3.1015, the Badge text method renders string values as raw HTML without encoding, including values supplied through text binding. An attacker who can modify data bound to a Badge can supply HTML containing even...