{"cve":"CVE-2026-7723","nvd":{"published":"2026-05-04T03:16:13.143","modified":"2026-10-26T19:10:00.163","status":"Deferred","description":"A flaw has been found in PrefectHQ prefect up to 3.6.13. Affected is an unknown function of the file /api/events/in of the component WebSocket Endpoint. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version 3.6.14 is able to address this issue. This patch is called f8afecadf88ea5f73694dafa3a365b9d8fae1ad6. It is recommended to upgrade the affected component. 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:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","score":5.5},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":7.3},"cwes":["CWE-287","CWE-306"],"references":["https://gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f","https://github.com/PrefectHQ/prefect/","https://github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6","https://github.com/PrefectHQ/prefect/pull/20372","https://github.com/PrefectHQ/prefect/releases/tag/3.6.14"],"products":[],"source":"nvd","synced_at":"2026-10-26T19:31:02.781428341+00:00"},"epss":{"cve":"CVE-2026-7723","score":0.00421,"percentile":0.36197,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-hvph-5985-r63v","url":"https://osv.dev/vulnerability/GHSA-hvph-5985-r63v","summary":"Prefect Unauthenticated Event Injection via /api/events/in WebSocket","modified":"2026-09-10T03:51:06.024373597Z","packages":[{"ecosystem":"PyPI","name":"prefect","purl":"pkg:pypi/prefect","ranges":["<3.6.14"],"fixed":["3.6.14"]}]},{"id":"PYSEC-2026-2958","url":"https://osv.dev/vulnerability/PYSEC-2026-2958","summary":"Prefect Unauthenticated Event Injection via /api/events/in WebSocket","modified":"2026-07-13T16:32:07.180329564Z","packages":[{"ecosystem":"PyPI","name":"prefect","purl":"pkg:pypi/prefect","ranges":["<3.6.14"],"fixed":["3.6.14"]}]}],"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."]}