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CVE-2026-27701

HIGH CVSS 4.0: 8.8 EPSS 0.06%
Updated Feb 25, 2026
GitHub
Parameter Value
CVSS 8.8 (HIGH)
Type CWE-94 (Code Injection (Внедрение кода))
Vendor GitHub
Public PoC No

LiveCode is an open-source, client-side code playground. Prior to commit e151c64c2bd80d2d53ac1333f1df9429fe6a1a11, LiveCode's `i18n-update-pull` GitHub Actions workflow is vulnerable to JavaScript injection. The title of the Pull Request associated with the triggering issue comment is interpolated directly into a `actions/github-script` JavaScript block using a GitHub Actions template expression.

An attacker who opens a PR with a crafted title can inject arbitrary JavaScript that executes with the privileges of the CI bot token (`CI_APP_ID` / `CI_APP_PRIVATE_KEY`), enabling exfiltration of repository secrets and unauthorized GitHub API operations. Commit e151c64c2bd80d2d53ac1333f1df9429fe6a1a11 fixes the issue.

Attack Parameters

Attack Vector
Network
Атака возможна удалённо
Attack Complexity
High
Сложно эксплуатировать
Attack Requirements
Present
Нужны дополнительные условия
Privileges Required
None
Права не нужны
User Interaction
Passive
Минимальное взаимодействие

Impact Assessment

Confidentiality
High
Полная утечка данных
Integrity
High
Полная модификация данных
Availability
None
Нет нарушения работы

CVSS Vector v4.0