cve-2020-14343-lab

CVE-2020-14343 – PyYAML 不安全 YAML 加载实验 1. 项目概述 本项目在受控且隔离的 Docker 环境中演示 CVE-2020-14343。 该实验包含两个环境： 使用 PyYAML 5.3.1 的漏洞环境 使用 PyYAML 5.4 和 yaml.safeload 的修复环境 该实验演示了完整的漏洞生命周期： 1. 部署存在漏洞的应用程序。 2. 识别存在漏洞的 PyYAML 版本。 3. 使用受控的 YAML 载荷复现漏洞。 4. 使用自动化脚本检测存在漏洞的版本。 5. 升级到修复版本。 6. 针对已修复的应用程序测试相同的载荷。 7. 验证恶意...

MiracleLinux 8 : perl-YAML-Syck-1.30-7.el8_10 (AXSA:2026-1847:02)

The remote MiracleLinux 8 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2026-1847:02 advisory. YAML-Syck: YAML::Syck: Denial of Service via crafted YAML document CVE-2026-13713 Tenable has extracted the preceding description block directly from the...

RLSA-2026:67269 Important: perl-YAML-Syck security update

This module provides a Perl interface to the libsyck data serialization library. It exports the Dump and Load functions for converting Perl data structures to YAML strings, and the other way around. Security Fixes: YAML-Syck: YAML::Syck: Denial of Service via crafted YAML document CVE-2026-13713...

perl-YAML-Syck security update

An update is available for perl-YAML-Syck. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list This module provides a Perl interface to the libsyck data serializatio...

RockyLinux 8 : perl-YAML-Syck (RLSA-2026:67269)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:67269 advisory. YAML-Syck: YAML::Syck: Denial of Service via crafted YAML document CVE-2026-13713 Tenable has extracted the preceding description block directly from the...

Astra Linux – Vulnerability in yaml-cpp

The SingleDocParser::HandleFlowMap function in yaml-cpp also known as LibYaml-C++ 0.6.2 allows remote attackers to cause a denial of service resource consumption and application crash through a crafted YAML file...

Important: Red Hat Security Advisory: perl-YAML-Syck security update

An update for perl-YAML-Syck is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

Important: perl-YAML-Syck security update

This module provides a Perl interface to the libsyck data serialization library. It exports the Dump and Load functions for converting Perl data structures to YAML strings, and the other way around. Security Fixes: YAML-Syck: YAML::Syck: Denial of Service via crafted YAML document CVE-2026-13713...

ALSA-2026:67269 Important: perl-YAML-Syck security update

This module provides a Perl interface to the libsyck data serialization library. It exports the Dump and Load functions for converting Perl data structures to YAML strings, and the other way around. Security Fixes: YAML-Syck: YAML::Syck: Denial of Service via crafted YAML document CVE-2026-13713...

RHEL 8 : perl-YAML-Syck (RHSA-2026:67269)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:67269 advisory. This module provides a Perl interface to the libsyck data serialization library. It exports the Dump and Load functions for converting Perl data...

AlmaLinux 8 : perl-YAML-Syck (ALSA-2026:67269)

The remote AlmaLinux 8 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2026:67269 advisory. YAML-Syck: YAML::Syck: Denial of Service via crafted YAML document CVE-2026-13713 Tenable has extracted the preceding description block directly from the AlmaLinu...

js-yaml: js-yaml: Denial of Service via crafted YAML documents

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker could exploit this vulnerability by providing a specially crafted YAML document containing a chain of mappings with merge keys. This could cause the parser to consume excessive CPU resources, leading to a Denial o...

js-yaml: js-yaml: Denial of Service via crafted YAML documents

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker could exploit this vulnerability by providing a specially crafted YAML document containing a chain of mappings with merge keys. This could cause the parser to consume excessive CPU resources, leading to a Denial o...

PraisonAI: Unauthenticated RCE via Jobs API + Approval Bypass

Unauthenticated Remote Code Execution via Jobs API and Approval Bypass in PraisonAI Summary An unauthenticated attacker can execute arbitrary OS commands on any server runningthe PraisonAI Jobs API by submitting a crafted workflow YAML. The attack chains twoweaknesses: the /api/v1/runs endpoint...

PYSEC-2026-3529 PraisonAI: Unauthenticated RCE via Jobs API + Approval Bypass

Unauthenticated Remote Code Execution via Jobs API and Approval Bypass in PraisonAI Summary An unauthenticated attacker can execute arbitrary OS commands on any server running the PraisonAI Jobs API by submitting a crafted workflow YAML. The attack chains two weaknesses: the /api/v1/runs endpoint...

CVE-2026-57076

A flaw was found in YAML::Syck. An attacker could exploit a heap use-after-free vulnerability by providing a specially crafted YAML document that reuses an anchor name as an anchors-table key. This flaw causes the software to read freed heap memory, which may lead to information disclosure or...

CVE-2026-57075

A flaw was found in YAML::Syck. An out-of-bounds read vulnerability exists in the base64 decoder, specifically in the syckbase64dec function. This occurs because the decoder uses a signed character to index a lookup table, allowing specially crafted !!binary YAML nodes with high-bit bytes to caus...

js-yaml: js-yaml: Denial of Service via crafted YAML merge keys

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. A remote attacker can exploit this vulnerability by providing a specially crafted YAML document that repeatedly uses the same alias in a merge sequence. This can lead to algorithmic CPU exhaustion, causing the Node.js worker or eve...

Incorrect Authorization

Overview praisonaiagents is a Praison AI agents for completing complex tasks with Self Reflection Agents Affected versions of this package are vulnerable to Incorrect Authorization via the submitjob process. An attacker can execute arbitrary OS commands on the server by submitting a crafted YAML...

js-yaml: js-yaml: Denial of Service via quadratic CPU time parsing with merge keys

A flaw was found in js-yaml, a JavaScript YAML parser and dumper. When merge keys are enabled, a remote attacker could exploit this vulnerability by crafting a YAML document where a chain of mappings uses merge keys, each merging the previous one. This can lead to a significant increase in CPU ti...