CVE-2026-11386
Canonical ubuntu-pro-client (ubuntu-advantage-tools), Ubuntu 26.04 LTS, Ubuntu 24.04 LTS 취약점
An input validation and injection vulnerability exists in Canonical ubuntu-pro-client (formerly ubuntu-advantage-tools). The client constructs APT source files (such as /etc/apt/sources.list.d/ubuntu-.list or their DEB822 equivalents) using data received directly from the contract server response via the directives.suites[] and directives.aptURL fields. Because the client utilizes Python's str.format() to write these files without performing escaping, validation, or newline character filtering, a malicious or tampered contract response containing embedded newline (\n) characters can success...
- 대응 우선순위
- 점검
- CVSS
- 9
- EPSS
- 0.34% 백분위 26.9% · 2026.08.03 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.07.16