---
id: CVE-2026-75432
title: >-
  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
summary: >-
  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
severity: medium
cvss: 5.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L'
cwe:
  - CWE-822
  - CWE-201
vendor: Red Hat
published: '2026-09-22'
updated: '2026-10-03'
sourceUpdated: '2026-10-03T16:16:38.273'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75432'
references:
  - url: 'https://github.com/jbeder/yaml-cpp/issues/1475'
    label: cve@mitre.org
  - url: 'https://github.com/jbeder/yaml-cpp/pull/1476'
    label: cve@mitre.org
  - url: 'https://github.com/jbeder/yaml-cpp/issues/1475'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-75432.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-75432'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2538741'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-75432'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75432'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-03T15:39:14.868071Z'
epss: 0.00172
epssPercentile: 0.06566
scores:
  nvd: 5.1
  vendor: 6.5
ingestedAt: '2026-09-22T20:10:15.099Z'
---

## Overview

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

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · updated 2026-10-03 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-75432.json)