CVE-2026-56258

描述

Crawl4AI before 0.8.8 contains an arbitrary file write vulnerability in the screenshot and PDF endpoints that allows unauthenticated attackers to write files outside the intended directory via symlink and time-of-check-time-of-use (TOCTOU) attacks on the output_path parameter. Remote attackers can exploit insufficient path validation and symlink following to achieve arbitrary file write and potential code execution on systems where the runtime user has write access to executable or cron locations.

如何修補 CVE-2026-56258

要修補 CVE-2026-56258,請將受影響套件升級到下列已修補版本。

• —升級至 0.8.8 或更新版本
• —升級至 0.8.8 或更新版本

CVE-2026-56258 正在被利用嗎?

低 — EPSS 為 0.7%,目前沒有觀察到大規模利用活動。

受影響套件(2)

• from 0, < 0.8.8
• from 0, < 0.8.8

CVSS 分數

參考連結(6)

• ADVISORYwww.vulncheck.com/advisories/crawl4ai-arbitrary-file-write-via-output-path-symlink-and-toctou
• PATCHgithub.com/unclecode/crawl4ai
• WEBgithub.com/unclecode/crawl4ai/issues/1
• WEBgithub.com/unclecode/crawl4ai/issues/2
• WEB