EUVD-2026-73080

Microsoft.OpenApi.YamlReader vulnerable to denial of service via YAML alias expansion...

CVE-2026-72923

The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model. In Microsoft.OpenApi.Readers versions before 1.6.30 and Microsoft.OpenApi.YamlReader from 2.0.0-preview.11 through 2.11.0 a...

PT-2026-87843

Name of the Vulnerable Software and Affected Versions Microsoft.OpenApi.YamlReader versions 2.0.0-preview.11 through 2.11.x Microsoft.OpenApi.YamlReader versions 3.0.0 through 3.9.x Microsoft.OpenApi.Readers versions prior to 1.6.30 Description Uncontrolled resource consumption occurs when parsin...

PT-2026-60594

Name of the Vulnerable Software and Affected Versions YAML::Syck versions prior to 1.47 Description A heap use-after-free occurs when an anchor name is reused as an anchors-table key in the syck hdlr add anchor function. In the bundled libsyck, an anchor name allocated by syck strndup is stored a...

USN-7465-1 mistral, python-mistral-lib vulnerabilities

It was discovered that Mistral incorrectly handled nested anchors in YAML files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. CVE-2018-16848 Pierre Gaxatte discovered that Mistral incorrectly handled erroneous SSH private key...

GHSA-VJ49-J7RC-H54F Esoteric YamlBeans XML Entity Expansion vulnerability

An issue was discovered in Esoteric YamlBeans through 1.15. A crafted YAML document is able perform am XML Entity Expansion attack against YamlBeans YamlReader. By exploiting the Anchor feature in YAML, it is possible to generate a small YAML document that, when read, is expanded to a large size,...

YamlBeans code-related vulnerabilities

YamlBeans is an open source library from Esoteric Software. Can be easily Java object graph with YAML. A security vulnerability exists in Esoteric Software YamlBeans 1.15 and earlier versions, which stems from the ability of a carefully crafted YAML document to perform an XML entity expansion...

PT-2023-21575 · Kaml · Kaml

Name of the Vulnerable Software and Affected Versions: kaml versions prior to 0.53.0 Description: The issue affects applications that use kaml to parse untrusted input containing anchors and aliases, potentially leading to excessive memory consumption and crashes. This is related to a class of...

CVE-2018-16848: Uncontrolled Resource Consumption

A Denial of Service DoS condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted workflow definition YAML file containing nested anchors can lead to resource exhaustion culminating in a denial of service...