yaml-cpp 0.9.0 Scanner src/scanner.cpp Scanner::PopIndent information disclosure

Summaryinfo

A vulnerability has been found in yaml-cpp 0.9.0 and classified as problematic. This vulnerability affects the function Scanner::PopIndent of the file src/scanner.cpp of the component Scanner. The manipulation leads to information disclosure. This vulnerability is traded as CVE-2026-75432. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in yaml-cpp 0.9.0. This issue affects the function Scanner::PopIndent of the file src/scanner.cpp of the component Scanner. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

An issue in yaml-cpp 0.9.0 allows a remote attacker to obtain sensitive information via the src/scanner.cpp, Scanner::PopIndent(), and Scanner::PushIndentTo() components

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-75432 since 08/17/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• yaml-cpp

Version

• 0.9.0

CPE 2.3info

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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