CVE-2026-7723
MEDIUM EPSS 33.8%
Published May 4, 20261mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Published May 4, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago
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 Details
Base Score
Exploitability
Impact
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
33.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-287 Improper Authentication Authentication
CWE-306 Missing Authentication for Critical Function Authentication
References 8
- gist.github.com https://gist.github.com/nedlir/f1ab8aa038aafbcc6beeef21fab1d74f
- github.com https://github.com/PrefectHQ/prefect/
- github.com https://github.com/PrefectHQ/prefect/commit/f8afecadf88ea5f73694dafa3a365b9d8fae1ad6
- github.com https://github.com/PrefectHQ/prefect/pull/20372
- github.com https://github.com/PrefectHQ/prefect/releases/tag/3.6.14
- vuldb.com https://vuldb.com/submit/807256
- vuldb.com https://vuldb.com/vuln/360899
- vuldb.com https://vuldb.com/vuln/360899/cti
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.