{"cve":"CVE-2026-7724","nvd":{"published":"2026-05-04T03:16:13.317","modified":"2026-10-26T19:10:00.163","status":"Deferred","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. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.","cvss_v4":{"vector":"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","score":1.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","score":5.0},"cwes":["CWE-362","CWE-367"],"references":["https://gist.github.com/nedlir/fa99777e8989414585d08c3625bf044a","https://github.com/PrefectHQ/prefect/","https://github.com/PrefectHQ/prefect/commit/7c70ac54a5e101431d83b9f2681ec88d5e0021ed","https://github.com/PrefectHQ/prefect/pull/21591","https://github.com/PrefectHQ/prefect/releases/tag/3.6.28.dev2"],"products":[],"source":"nvd","synced_at":"2026-10-26T19:31:02.781428341+00:00"},"epss":{"cve":"CVE-2026-7724","score":0.0025,"percentile":0.16183,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-p3pq-hxmr-vqqr","url":"https://osv.dev/vulnerability/GHSA-p3pq-hxmr-vqqr","summary":"Prefect SSRF Bypass via DNS Rebinding in validate_restricted_url","modified":"2026-09-10T03:50:47.143652690Z","packages":[{"ecosystem":"PyPI","name":"prefect","purl":"pkg:pypi/prefect","ranges":["<3.6.28.dev2"],"fixed":["3.6.28.dev2"]}]},{"id":"PYSEC-2026-2959","url":"https://osv.dev/vulnerability/PYSEC-2026-2959","summary":"Prefect SSRF Bypass via DNS Rebinding in validate_restricted_url","modified":"2026-07-13T16:33:06.780866797Z","packages":[{"ecosystem":"PyPI","name":"prefect","purl":"pkg:pypi/prefect","ranges":["<3.6.28.dev2"],"fixed":["3.6.28.dev2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}