CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
Let's Chat 0.3.0 through 0.4.8 contains a broken access control vulnerability that allows authenticated attackers to download file attachments from private and password-protected rooms they are not a member of by exploiting missing room membership checks in the file retrieval route. Attackers can enumerate adjacent MongoDB ObjectIds derived from a known file ID to recover files uploaded by other users, as the GET /files/:id/:name route in app/controllers/files.js only enforces login authentication without consulting room membership or the Room.canJoin check.
Засегнати продукти
- sdelements lets-chat: 0.3.0 до 0.4.8; 55e8833974c83559ed2cbc12bc15febeb2466254 до 617207ff3c0c0bf8e3c7a915bd9ec03f1dd8390c
Вид слабост
История
- 28 юли 2026 Публикувано
Други уязвимости в sdelements lets-chat
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-66750
- https://nvd.nist.gov/vuln/detail/CVE-2026-66750
- https://github.com/theopaid/Insufficient-Access-Controls-Allow-for-Unauthorized-File-Downloads-Let-s-Chat-
- https://www.vulncheck.com/advisories/let-s-chat-broken-access-control-file-disclosure-via-get-files-route