| Summary | Crawl4AI before 0.8.7 contains a server-side request forgery vulnerability in the /crawl, /crawl/stream, /md, and /llm endpoints that fetch arbitrary user-supplied URLs without validation. Unauthenticated attackers can bypass the internal-address blocklist using IPv6-mapped IPv4 addresses to reach internal services and cloud metadata endpoints. |
|---|---|
| Publication Date | June 23, 2026, 7:16 a.m. |
| Registration Date | June 27, 2026, 4:12 a.m. |
| Last Update | June 24, 2026, 12:16 a.m. |
| CVSS3.1 : HIGH | |
| スコア | 8.6 |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
| 攻撃元区分(AV) | ネットワーク |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃に必要な特権レベル(PR) | 不要 |
| 利用者の関与(UI) | 不要 |
| 影響の想定範囲(S) | 変更あり |
| 機密性への影響(C) | 高 |
| 完全性への影響(I) | なし |
| 可用性への影響(A) | なし |