Vulnerability · Published Sep 22, 2026 · Assigned by mitre
CVE-2026-75432
Medium 5.1
In plain English
A medium-severity security flaw in the yaml-cpp package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.1)5.1Medium
Exploit odds (30 days)0.2%top 93.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | yaml-cpp | no fix listed | DEBIAN-CVE-2026-75432 |
| Debian:13 | yaml-cpp | no fix listed | DEBIAN-CVE-2026-75432 |
| Debian:14 | yaml-cpp | no fix listed | DEBIAN-CVE-2026-75432 |
| Ubuntu:22.04:LTS | yaml-cpp | no fix listed | UBUNTU-CVE-2026-75432 |
| Ubuntu:24.04:LTS | yaml-cpp | no fix listed | UBUNTU-CVE-2026-75432 |
| Ubuntu:26.04:LTS | yaml-cpp | no fix listed | UBUNTU-CVE-2026-75432 |
| Ubuntu:26.10 | yaml-cpp | no fix listed | UBUNTU-CVE-2026-75432 |
Affected products (as reported)
Weakness: CWE-822 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L