CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, без особени условия, с обикновен потребителски вход и след действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
SiYuan Windows installer before version 3.8.1 (affected versions >= 2.0.14) contains an uncontrolled search path element vulnerability in its NSIS installer, which invokes system executables such as TASKKILL by name rather than by absolute path. Because NSIS nsExec::Exec resolves these calls using a search path that includes the installer's own launch directory ahead of System32, an attacker who plants a malicious executable (e.g., a renamed TASKKILL.exe) in that directory can have it executed when the installer runs. These calls occur in electron-builder's preInit hook before the license page is displayed, and with an all-users (elevated) install the planted binary executes with an elevated token, resulting in local privilege escalation.
Засегнати продукти
- siyuan-note siyuan: 2.0.14 преди 3.8.1; 3.8.1
Вид слабост
История
- 30 август 2026 Публикувано
Други уязвимости в siyuan-note siyuan
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-82649
- https://nvd.nist.gov/vuln/detail/CVE-2026-82649
- https://github.com/siyuan-note/siyuan/security/advisories/GHSA-9j65-967f-5rv3
- https://github.com/siyuan-note/siyuan/commit/251596fc0de2f9528c00c224252fd073a99973f4
- https://www.vulncheck.com/advisories/siyuan-before-3.8.1-local-privilege-escalation-via-uncontrolled-search-path