PrefectHQ prefect Webhook/Notification validate_restricted_url toctou_CVE-2026-7724

2.3 / 10

LOW

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Description

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.

Basic Information

ID CVE-2026-7724

Source VulDB

Published May 4, 2026 at 02:45

Affected Product

Vendor PrefectHQ

Product prefect

Version 3.6.28.dev1

Affected Versions PrefectHQ prefect 3.6.28.dev1

CWE Classification

CWE-367 CWE-362

References

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    "lastseen": "",
    "description": "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.",
    "published": "2026-05-04T02:45:12.517Z",
    "modified": "2026-05-04T02:45:12.517Z",
    "type": "cve",
    "title": "PrefectHQ prefect Webhook/Notification validate_restricted_url toctou",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/360900\nhttps://vuldb.com/vuln/360900/cti\nhttps://vuldb.com/submit/807303\nhttps://linear.app/prefect/issue/OSS-7874/fix-dns-rebinding-toctou-bypass-in-validate-restricted-url\nhttps://github.com/PrefectHQ/prefect/pull/21591\nhttps://gist.github.com/nedlir/fa99777e8989414585d08c3625bf044a\nhttps://github.com/PrefectHQ/prefect/commit/7c70ac54a5e101431d83b9f2681ec88d5e0021ed\nhttps://github.com/PrefectHQ/prefect/releases/tag/3.6.28.dev2\nhttps://github.com/PrefectHQ/prefect/",
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    "sourceData": "PrefectHQ prefect 3.6.28.dev1",
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    "cvss": {
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