EEF-CVE-2026-53426 Atom-table exhaustion denial-of-service via JSON parse_document in MDEx

Summary Allocation of Resources Without Limits or Throttling vulnerability in leandrocp MDEx allows Excessive Allocation. MDEx.parse\document/2 accepts a :json, json source. In lib/mdex.ex, the private json\to\node/1 function passes the attacker-controlled node\type value to Module.concat/1, whic...

CVE-2026-53426 Atom-table exhaustion denial-of-service via JSON parse_document in MDEx

Allocation of Resources Without Limits or Throttling vulnerability in leandrocp MDEx allows Excessive Allocation. MDEx.parsedocument/2 accepts a :json, json source. In lib/mdex.ex, the private jsontonode/1 function passes the attacker-controlled nodetype value to Module.concat/1, which calls...

CVE-2026-53426

Allocation of Resources Without Limits or Throttling vulnerability in leandrocp MDEx allows Excessive Allocation. MDEx.parsedocument/2 accepts a :json, json source. In lib/mdex.ex, the private jsontonode/1 function passes the attacker-controlled nodetype value to Module.concat/1, which calls...

CVE-2026-53426 Atom-table exhaustion denial-of-service via JSON parse_document in MDEx

Allocation of Resources Without Limits or Throttling vulnerability in leandrocp MDEx allows Excessive Allocation. MDEx.parsedocument/2 accepts a :json, json source. In lib/mdex.ex, the private jsontonode/1 function passes the attacker-controlled nodetype value to Module.concat/1, which calls...

CVE-2026-54889

Improper Neutralization of Input During Web Page Generation XSS vulnerability in leandrocp mdex allows cross-site scripting via unsanitized URL schemes in Quill Delta output. 'Elixir.MDEx':todelta/2 converts Markdown into a Quill Delta. 'Elixir.MDEx.DeltaConverter':defaultconvertnode/3 in...

CVE-2026-54888

The CVE-2026-54888 issue is a denial-of-service in mdex/mdex_native caused by uncontrolled recursion when converting Markdown to an AST across a NIF boundary. The root cause is missing maximum nesting depth in two mutual Rust functions (ex_document_to_comrak_ast and comrak_ast_to_ex_document), al...

CVE-2026-53427 Cross-site scripting in MDEx via unescaped highlight_lines_class code-fence attribute

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in leandrocp MDEx allows stored or reflected cross-site scripting via attacker-controlled Markdown. When syntax highlighting and full info-string forwarding render: fullinfostring: true are enabled, t...

CVE-2026-53427

The CVE-2026-53427 issue is a cross-site scripting vulnerability in leandrocp MDEx exposed via Markdown rendering. When render: full_info_string is enabled, the Lumis adapter copies a code fence’s highlight_lines_class info-string into per-line HTML class attributes, parsing key=value pairs via s...

CVE-2026-50269

A flaw was found in aiohttp, an asynchronous HTTP client/server framework. This vulnerability, known as CRLF Carriage Return Line Feed injection, allows an attacker to modify HTTP requests by injecting malicious input into multipart or payload headers. If an application processes user-controlled...

CVE-2026-13752

Improper neutralization of parameters in Snowflake CLI versions prior to 3.19 allowed unintended SQL execution. An attacker could exploit this by supplying crafted values to vulnerable command paths, causing Snowflake CLI to execute unintended SQL in the context of the user’s Snowflake session...

Inside the Advisory Database and what happens when vulnerability volume breaks records

In May 2026, the GitHub Advisory Database published 1,560 reviewed advisories --more than five times our typical monthly output and the highest in its history. And it still wasn't enough to keep up. Over the past few months, the vulnerability ecosystem has shifted in a fundamental way. Input acro...

CVE-2026-12143

A flaw was found in form-data, a library for creating readable multipart/form-data streams. A remote attacker can exploit this vulnerability by injecting carriage return CR, line feed LF, or double-quote " characters into the field argument of FormDataappend or the filename option. This allows th...

CVE-2026-13746

Improper neutralization of local CLI parameters in Snowflake CLI versions prior to 3.19 allowed unintended SQL execution. A user could trigger this issue by supplying crafted values to vulnerable Cortex SQL or object listing command paths, causing Snowflake CLI to execute unintended SQL in the...

CVE-2026-13744

CVE-2026-13744 affects Snowflake CLI versions prior to 3.19. The vulnerability arises from improper neutralization of attacker-controlled content, allowing unintended SQL execution when a victim processes crafted repository content, project configuration, manifest data, or specification input thr...

CVE-2026-13744 Snowflake CLI SQL Injection Through Improper Neutralization of User-Controlled Input

Improper neutralization of attacker-controlled content in Snowflake CLI versions prior to 3.19 allowed unintended SQL execution. By supplying crafted repository content, project configuration, manifest data, or specification input, an attacker could cause Snowflake CLI to execute unintended SQL i...

Malicious Perplexity Chrome Extension Intercepted Searches and Address Bar Input

Microsoft has found a malicious Chrome extension that posed as the AI search engine Perplexity and quietly logged what people searched for. It routed every query and every character typed into the address bar through an attacker-controlled server before redirecting users to real results. Microsof...

CVE-2026-11979

libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user input using fixed-size stack buffers without proper bounds checking. By supplying an overly long input line, an attacker can overflow intern...

CVE-2026-11979

libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user input using fixed-size stack buffers without proper bounds checking. By supplying an overly long input line, an attacker can overflow intern...

CVE-2026-11979 Stack-Based Buffer Overflow in libxml2

libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user input using fixed-size stack buffers without proper bounds checking. By supplying an overly long input line, an attacker can overflow intern...

CVE-2026-11979

libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user input using fixed-size stack buffers without proper bounds checking. By supplying an overly long input line, an attacker can overflow intern...