CVSS 3.1
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: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
Simple Machines Forum 2.1 prior to commit b4d23df (fixed in 2.1.8) and 3.0 prior to commit 4bf35cf contains a server-side request forgery vulnerability in the image proxy that allows authenticated attackers to trigger internal HTTP requests by embedding attacker-controlled URLs in BBCode image tags, which the proxy fetches without validating resolved destination IPs against private address ranges, loopback, or link-local addresses. Attackers can leverage SMF's automatic HMAC signature generation for any embedded image URL to obtain valid signed proxy requests targeting internal services such as cloud instance metadata endpoints, internal web applications, and container network services.
Засегнати продукти
- SimpleMachines SMF: 2.1.0 преди 2.1.8; 2.1.8; b4d23dfd74a511587c605f9d294cefc3a75b4b26; 3.0.0-alpha.1 до 3.0.0-alpha.4; 4bf35cf9e45573a5f55a6f52995086c1da89c096
Вид слабост
История
- 14 юли 2026 Публикувано
Други уязвимости в SimpleMachines SMF
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-61520
- https://nvd.nist.gov/vuln/detail/CVE-2026-61520
- https://github.com/SimpleMachines/SMF/commit/4bf35cf9e45573a5f55a6f52995086c1da89c096
- https://github.com/SimpleMachines/SMF/commit/b4d23dfd74a511587c605f9d294cefc3a75b4b26
- https://www.vulncheck.com/advisories/simple-machines-forum-ssrf-via-image-proxy