PT-2026-36753 · Prefecthq · Prefect

Nedlir · Published 2026-05-04 · Updated 2026-05-04 · CVE-2026-7723

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions PrefectHQ prefect versions prior to 3.6.14

Description A flaw in the WebSocket Endpoint component allows a remote attacker to perform a manipulation that leads to missing authentication. The issue is located within the '/api/events/in' endpoint.

Recommendations Upgrade to version 3.6.14.

Exploit

Fix

Improper Authentication

Missing Authentication

Weakness Enumeration

CWE-287

CWE-306

Related Identifiers

CVE-2026-7723

Affected Products

Prefect

References · 11

• 🔥 https://gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f · Exploit
• https://github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6 · Patch
• https://github.com/PrefectHQ/prefect/pull/20372 · Patch
• https://github.com/PrefectHQ/prefect/commit/0d3ab3c2d3f9f98abfafdf7b9f6d4f8ed3925e40 · Patch
• https://github.com/PrefectHQ/prefect/releases/tag/3.6.14 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-7723 · Security Note
• https://github.com/PrefectHQ/prefect · Note
• https://vuldb.com/submit/807256 · Note
• https://twitter.com/VulmonFeeds/status/2051155315219992882 · Twitter Post
• https://vuldb.com/vuln/360899 · Note
• https://vuldb.com/vuln/360899/cti · Note