JLSEC-2026-22

The function "Token& Scanner::peek" in scanner.cpp in yaml-cpp 0.5.3 and earlier allows remote attackers to cause a denial of service assertion failure and application exit via a '!2' string...

Deserialization of Untrusted Data

Overview kedro is a Kedro helps you build production-ready data and analytics pipelines Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the logging.config.dictConfig function when user-controlled input is used for the logging configuration file path, whic...

perl-YAML-Syck security update

1.30-6 - Resolves: RHEL-156475 - Fix CVE-2026-4177...

PT-2026-30281

Commit ce53491 March 24 fixed command injection via system packages in Dockerfile templates and images.py by adding shlex.quote. However, the cloud deployment path in src/bentoml/ internal/cloud/deployment.py was not included in the fix. Line 1648 interpolates system packages directly into a shel...

RHEL 8 : perl-YAML-Syck (RHSA-2026:6470)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:6470 advisory. This module provides a Perl interface to the libsyck data serialization library. It exports the Dump and Load functions for converting Perl data...

PYSEC-2026-2135

Copier is a library and CLI app for rendering project templates. Prior to version 9.14.1, Copier's externaldata feature allows a template to load YAML files using template-controlled paths. If untrusted templates are in scope, a malicious template can read attacker-chosen YAML-parseable local fil...

CVE-2026-34730

Copier is a library and CLI app for rendering project templates. Prior to version 9.14.1, Copier's externaldata feature allows a template to load YAML files using template-controlled paths. If untrusted templates are in scope, a malicious template can read attacker-chosen YAML-parseable local fil...

CVE-2026-34730 Copier `_external_data` allows path traversal and absolute-path local file read without unsafe mode

Copier is a library and CLI app for rendering project templates. Prior to version 9.14.1, Copier's externaldata feature allows a template to load YAML files using template-controlled paths. If untrusted templates are in scope, a malicious template can read attacker-chosen YAML-parseable local fil...

CVE-2026-34730 Copier `_external_data` allows path traversal and absolute-path local file read without unsafe mode

Copier is a library and CLI app for rendering project templates. Prior to version 9.14.1, Copier's externaldata feature allows a template to load YAML files using template-controlled paths. If untrusted templates are in scope, a malicious template can read attacker-chosen YAML-parseable local fil...

CVE-2026-34730

Copier is a library and CLI app for rendering project templates. Prior to version 9.14.1, Copier's externaldata feature allows a template to load YAML files using template-controlled paths. If untrusted templates are in scope, a malicious template can read attacker-chosen YAML-parseable local fil...

CVE-2026-34730

Summary: CVE-2026-34730 affects Copier prior to version 9.14.1, where the optional _external_data feature allows template-controlled paths to load YAML files. This can enable destination-external reads, including parent-directory traversal (e.g., ../secret.yml) and absolute paths, exposing the co...

perl-YAML-Syck: YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter

Multiple security issues have been discovered in the perl YAML::Syck module. A heap overflow occurs when class names exceed the initial 512-byte allocation, a base64 decoder could read past the buffer end on trailing newlines. strtok mutated n-typeid in place, corrupting shared node data, and a...

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: perl-YAML-Syck: YAML::Syck versions through 1.36 for Perl has several potential...

Copier `_external_data` allows path traversal and absolute-path local file read without unsafe mode

Summary Copier's externaldata feature allows a template to load YAML files using template-controlled paths. The documentation describes these values as relative paths from the subproject destination, so relative paths themselves appear to be part of the intended feature model. However, the curren...

Important: perl-YAML-Syck

Issue Overview: YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names exceed the initial 512-byte allocation. The base64 decoder could read past the...

PT-2026-29671

Name of the Vulnerable Software and Affected Versions Copier versions prior to 9.14.1 Description The external data feature in Copier allows templates to load YAML files using paths controlled by the template. This can allow a malicious template to read YAML-parseable local files accessible to th...

Important: perl-YAML-Syck

Issue Overview: YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names exceed the initial 512-byte allocation. The base64 decoder could read past the...

Amazon Linux 2023 : perl-YAML-Syck, perl-YAML-Syck-tests (ALAS2023-2026-1517)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1517 advisory. YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high- severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names...

Amazon Linux 2 : perl-YAML-Syck, --advisory ALAS2-2026-3216 (ALAS-2026-3216)

The version of perl-YAML-Syck installed on the remote host is prior to 1.27-3. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3216 advisory. YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high- severity heap buff...