CVE-2026-72923

In Microsoft.OpenApi.YamlReader from 2.0.0-preview.11 until 2.12.0 and from 3.0.0 until 3.10.0, and in Microsoft.OpenApi.Readers prior to 1.6.30, a small YAML OpenAPI document containing nested anchors and aliases can cause uncontrolled resource consumption when parsed through the public YAML...

EUVD-2026-73080

In Microsoft.OpenApi.YamlReader from 2.0.0-preview.11 until 2.12.0 and from 3.0.0 until 3.10.0, and in Microsoft.OpenApi.Readers prior to 1.6.30, a small YAML OpenAPI document containing nested anchors and aliases can cause uncontrolled resource consumption when parsed through the public YAML...

PT-2026-87843

In Microsoft.OpenApi.YamlReader from 2.0.0-preview.11 until 2.12.0 and from 3.0.0 until 3.10.0, and in Microsoft.OpenApi.Readers prior to 1.6.30, a small YAML OpenAPI document containing nested anchors and aliases can cause uncontrolled resource consumption when parsed through the public YAML...

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 代码问题漏洞

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...