CVE-2026-7724— Prefect 竞争条件问题漏洞

PrefectHQ prefect Webhook/Notification validate_restricted_url toctou

A vulnerability has been found in PrefectHQ prefect up to 3.6.28.dev1. Affected by this vulnerability is the function validate_restricted_url of the component Webhook/Notification. The manipulation leads to time-of-check time-of-use. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 3.6.28.dev2 addresses this issue. The identifier of the patch is 7c70ac54a5e101431d83b9f2681ec88d5e0021ed. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

检查时间与使用时间(TOCTOU)的竞争条件

Prefect 竞争条件问题漏洞

Prefect是Prefect开源的一款工作流编排工具，使开发人员能够构建、观察数据管道并对数据管道做出反应。 Prefect 3.6.28.dev1及之前版本存在竞争条件问题漏洞，该漏洞源于Webhook/Notification组件的函数validate_restricted_url存在检查时间与使用时间问题，攻击者可通过远程发起攻击。

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