CVE-2026-44340— PraisonAI: Symlink-extraction bypass of `_safe_extractall` writes outside `dest_dir`

PraisonAI: Symlink-extraction bypass of `_safe_extractall` writes outside `dest_dir`

PraisonAI is a multi-agent teams system. Prior to version 4.6.37, the _safe_extractall helper that all recipe pull, recipe publish, and recipe unpack flows route through validates each archive member's name for absolute paths, .. segments, and resolved-path escape — but does not validate member.linkname, does not reject symlink/hardlink members, and calls tar.extractall(dest_dir) without filter="data". A bundle that contains a symlink with a name inside dest_dir but a linkname pointing outside it, followed by a regular file whose path traverses through the just-created symlink, escapes dest_dir and lets the attacker write arbitrary content to an attacker-chosen location on the victim's filesystem. This issue has been patched in version 4.6.37.

N/A

对路径名的限制不恰当(路径遍历)

PraisonAI 路径遍历漏洞

PraisonAI是Mervin Praison个人开发者的一个低代码多智能体协作框架。 PraisonAI 4.6.37之前版本存在路径遍历漏洞，该漏洞源于_safe_extractall辅助函数未验证成员linkname且未拒绝符号链接或硬链接成员，可能导致攻击者写入任意内容到受害者文件系统。

N/A

N/A