CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
ewe is a Gleam web server. Prior to version 3.0.6, the encode_headers function in src/ewe/internal/encoder.gleam directly interpolates response header keys and values into raw HTTP bytes without validating or stripping CRLF (\r\n) sequences. An application that passes user-controlled data into response headers (e.g., setting a Location redirect header from a request parameter) allows an attacker to inject arbitrary HTTP response content, leading to response splitting, cache poisoning, and possible cross-site scripting. Notably, ewe does validate CRLF in incoming request headers via validate_field_value() in the HTTP/1.1 parser — but provides no equivalent protection for outgoing response headers in the encoder. This issue has been patched in version 3.0.6.
Засегнати продукти
- vshakitskiy ewe: < 3.0.6
Вид слабост
История
- 2 април 2026 Публикувано
Други уязвимости в vshakitskiy ewe
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-34715
- https://nvd.nist.gov/vuln/detail/CVE-2026-34715
- https://github.com/vshakitskiy/ewe/security/advisories/GHSA-x2w3-23jr-hrpf
- https://github.com/vshakitskiy/ewe/commit/ce4ff214d32626a10fda9398dc94a2d720e17446
- https://github.com/vshakitskiy/ewe/releases/tag/v3.0.6