Kubernetes API Server - YAML Parsing DoS (Billion Laughs)

The Kubernetes API server is vulnerable to a denial of service attack via YAML/JSON parsing. An attacker can send a specially crafted YAML/JSON payload that causes exponential memory consumption Billion Laughs attack, leading to API server crash. id: CVE-2019-11253 info: name: Kubernetes API Serv...

snakeyaml_cve_poc

snakeyamlcvepoc SnakeYAML-CVE-2022-1471-POC build Either build the jar on your host with mvn clean compile assembly:single Or use docker to build an image with docker build -t snakeyaml . run Run the container with docker run --rm -p8080:8080 snakeyaml or the jar if you built on your host with ja...

docling-core-CVE-2026-24009

CVE-2026-24009 — docling-core Unsafe YAML Deserialization PoC + Notes This repo contains a proof-of-concept PoC and a simple scanner demonstrating CVE-2026-24009 , where docling-core can enable code execution when loading attacker-controlled YAML under specific dependency conditions. TL;DR Impact...

loader-CVE-2020-14343

loader-CVE-2020-14343 A web application vulnerable to CVE-2020-14343 insecure deserialization leading to command execution in PyYAML package. Writeup: https://github.com/TebbaaX/CTFs/blob/main/HackerNewsBdarija-CTF-2022/loadder/Loader.md...

CVE-2020-1947

CVE-2020-1947 Apache ShardingSphere UI Análisis YAML Replicación de Vulnerabilidad de Ejecución Remota de Código 0x01 Descargar el paquete binario de shardingsphere wget https://mirror-hk.koddos.net/apache/incubator/shardingsphere/4.0.0/apache-shardingsphere-incubating-4.0.0-sharding-ui-bin.tar.g...

EUVD-2026-69712

js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources...

js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources

Summary maxTotalMergeKeys does not count empty mappings. An attacker can repeatedly merge a large sequence of them and consume significant CPU without reaching the configured limit. Example yaml arr: &arr , , , ... N empty mappings targets: - : arr repeated K times For every target, the loader...

cve-2022-1471-jira-lab

CVE-2022-1471 — SnakeYAML RCE lab Jira / Automation for Jira context Offline, self-contained lab proving the mechanism behind CVE-2022-1471 SnakeYAML unsafe deserialization → RCE, CVSS 9.8, as used in the Jira / Jira Service Management finding against a host running 9.4.9 affected range...

js-yaml: js-yaml: Denial of Service vulnerability in YAML parsing

A flaw was found in js-yaml, a JavaScript YAML parser. An attacker can exploit this by providing a specially crafted YAML document that causes the parser to perform excessive processing when handling merge keys with empty sources. This can lead to prolonged CPU consumption, effectively causing a...

js-yaml: js-yaml: Denial of Service vulnerability in YAML parsing

A flaw was found in js-yaml, a JavaScript YAML parser. An attacker can exploit this by providing a specially crafted YAML document that causes the parser to perform excessive processing when handling merge keys with empty sources. This can lead to prolonged CPU consumption, effectively causing a...

js-yaml: js-yaml: Denial of Service vulnerability in YAML parsing

A flaw was found in js-yaml, a JavaScript YAML parser. An attacker can exploit this by providing a specially crafted YAML document that causes the parser to perform excessive processing when handling merge keys with empty sources. This can lead to prolonged CPU consumption, effectively causing a...

js-yaml: js-yaml: Denial of Service vulnerability in YAML parsing

A flaw was found in js-yaml, a JavaScript YAML parser. An attacker can exploit this by providing a specially crafted YAML document that causes the parser to perform excessive processing when handling merge keys with empty sources. This can lead to prolonged CPU consumption, effectively causing a...

CVE-2026-84375

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2 and 4.3.2, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge targets,...

CVE-2026-84375

js-yaml , a widely used JavaScript YAML parser, is vulnerable to a CPU exhaustion issue in its merge-key (<

PT-2026-84523

Name of the Vulnerable Software and Affected Versions js-yaml versions 3.0.0 through 3.15.1 js-yaml versions prior to 4.3.2 Description An issue exists where maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js fails to count empty mapping sources when processing the merge key . This allo...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: nodejs-grunt (UTSA-2026-093223)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-093223 advisory. The package grunt before 1.3.0 are vulnerable to Arbitrary Code Execution due to the default usage of the function load instead of its secure replacement safeLoad of...

EUVD-2026-51537

Improper Neutralization of CRLF Sequences vulnerability in ufirstgroup ymlr Elixir.Ymlr module allows attackers to inject arbitrary content into generated YAML documents through document comments. Ymlr.document!/2 interpolates each caller-supplied comment string into the output behind a single...

The vulnerability of the YAML syntax analysis and parsing library js-yaml lies in the uncontrolled modification of object prototype attributes, allowing attackers to compromise the integrity of the protected information.

The vulnerability of the YAML parsing library js-yaml is related to uncontrolled changes to object prototype attributes. Exploiting this vulnerability could allow an attacker to compromise the integrity of the protected information...

CVE-2026-44795 Spinnaker: Non-safe yaml deserialization allowing RCE when using specific types

Spinnaker is an open source, multi-cloud continuous delivery platform. Prior to 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3, unsafe YAML processing bypasses safe deserialization when using CloudFormation deployments or CloudFoundry baking. The use of a non-safe constructor allows arbitrary loading...

SUSE-SU-2026:2824-1 Security update for alloy

This update for alloy fixes the following issues - CVE-2026-10722: github.com/cilium/ebpf: BTF string offset boundary check can lead to crash when parsing malformed ELF/BTF input bsc1267811. - CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: golang.org/x/net/html:...