CVE-2026-57530

Milkdown (versions

CVE-2026-57530 Milkdown < 7.21.3 Stored XSS via javascript: URL in link href

Milkdown before 7.21.3 contains a stored cross-site scripting vulnerability in the @milkdown/preset-commonmark and @milkdown/components packages that allows attackers with document write access to execute arbitrary JavaScript in the browser context of any user who opens the document or clicks a...

PT-2026-64135

Summary The execute code tool's subprocess sandbox advertises a three-layer defense AST validation, text-pattern blocklist, restricted builtins . In sandbox mode the default only two layers are active — the text-pattern blocklist is skipped — and both remaining layers are bypassed by combining tw...

CVE-2026-61438 PraisonAI before 4.6.78 Remote Code Execution via Broken AST Sandbox

PraisonAI before 4.6.78 contains a remote code execution vulnerability in JobWorkflowExecutor.execinlinepython due to insufficient AST validation of workflow script steps. Attackers can create malicious YAML workflow files with import os statements followed by os.system calls that bypass sandbox...

CVE-2026-61438

PraisonAI before 4.6.78 contains a remote code execution vulnerability in JobWorkflowExecutor.execinlinepython due to insufficient AST validation of workflow script steps. Attackers can create malicious YAML workflow files with import os statements followed by os.system calls that bypass sandbox...

EUVD-2026-44643

PraisonAI before 4.6.78 contains a remote code execution vulnerability in JobWorkflowExecutor.execinlinepython due to insufficient AST validation of workflow script steps. Attackers can create malicious YAML workflow files with import os statements followed by os.system calls that bypass sandbox...

JLSEC-2026-664 Stack overflow vulnerability in `ast_selectors.cpp` in function...

Stack overflow vulnerability in astselectors.cpp in function Sass::CompoundSelector::hasrealparentref in libsass:3.6.5-8-g210218, which can be exploited by attackers to causea denial of service DoS. Also affects the command line driver for libsass, sassc 3.6.2...

PYSEC-2026-2975 PyBlade: SSTI/RCE via Bypassed AST Validation in sandbox.py

A vulnerability has been found in AntaresMugisho PyBlade 0.1.8-alpha/0.1.9-alpha. The affected element is the function issafeast of the file sandbox.py of the component AST Validation. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack may...

PT-2026-59535

PraisonAI's AST-based Python sandbox can be bypassed using type. getattribute trampoline, allowing arbitrary code execution when running untrusted agent code. Description The execute code direct function in praisonaiagents/tools/python tools.py uses AST filtering to block dangerous Python...

PT-2026-59606

A vulnerability has been found in AntaresMugisho PyBlade 0.1.8-alpha/0.1.9-alpha. The affected element is the function is safe ast of the file sandbox.py of the component AST Validation. Such manipulation leads to improper neutralization of special elements used in a template engine. The attack m...

SUSE-RU-2026:2816-1 Recommended update for python-aioresponses, python-google-api-core, python-google-api-python-client, python-google-auth, python-google-auth-httplib2, python-google-cloud-appengine-logging, python-google-cloud-artifact-registry, python-google-cloud-audit-log, python-google-cloud-build, python-google-cloud-compute, python-google-cloud-core, python-google-cloud-dns, python-google-cloud-domains, python-google-cloud-iam, python-google-cloud-kms, python-google-cloud-kms-inventory, python-google-cloud-logging, python-google-cloud-run, python-google-cloud-secret-manager, python-google-cloud-service-directory, python-google-cloud-spanner, python-google-cloud-storage, python-google-cloud-vpc-access, python-google-crc32c, python-google-resumable-media, python-googleapis-common-protos, python-grpc-google-iam-v1, python-grpc-interceptor, python-mmh3, python-mypy, python-opentelemetry-resourcedetector-gcp, python-poetry-core, python-proto-plus, python-pytest-asyncio, python-syrupy, python-typed-ast, python-uritemplate, python-dnspython, python-trio, python-websocket-client

This update for python-aioresponses, python-google-api-core, python-google-api-python-client, python-google-auth, python-google-auth-httplib2, python-google-cloud-appengine-logging, python-google-cloud-artifact-registry, python-google-cloud-audit-log, python-google-cloud-build,...

PYSEC-2026-1370 Fickling vulnerable to detection bypass due to "builtins" blindness

Fickling's assessment Fickling started emitting AST nodes for builtins imports in order to match them during analysis https://github.com/trailofbits/fickling/commit/9f309ab834797f280cb5143a2f6f987579fa7cdf. Original report Summary Fickling works by Pickle bytecode -- AST -- Security analysis...

PYSEC-2026-1444 H2O Vulnerable to Denial of Service (DoS) and File Write

In h2oai/h2o-3 version 3.46.0.1, the runtool command exposes classes in the water.tools package through the ast parser. This includes the XGBoostLibExtractTool class, which can be exploited to shut down the server and write large files to arbitrary directories, leading to a denial of service...

LiteLLM Vulnerable to Denial of Service (DoS)

A vulnerability in BerriAI/litellm, as of commit 26c03c9, allows unauthenticated users to cause a Denial of Service DoS by exploiting the use of ast.literaleval to parse user input. This function is not safe and is prone to DoS attacks, which can crash the litellm Python server...

PYSEC-2026-1549 LiteLLM Vulnerable to Denial of Service (DoS)

A vulnerability in BerriAI/litellm, as of commit 26c03c9, allows unauthenticated users to cause a Denial of Service DoS by exploiting the use of ast.literaleval to parse user input. This function is not safe and is prone to DoS attacks, which can crash the litellm Python server...

EUVD-2026-40453

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

CVE-2026-56777 n8n - AST Validator Bypass in Python Code Node

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

CVE-2026-56777

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

CVE-2026-56777 n8n - AST Validator Bypass in Python Code Node

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...

PT-2026-54049

n8n before 2.25.7 and 2.26.x before 2.26.2 contains an abstract syntax tree AST security validator bypass in the Python Code node. An authenticated user with permission to create or modify workflows containing a Python Code node can bypass the validator and access the task executor module...