CVE-2026-7723

HIGH

PrefectHQ prefect WebSocket Endpoint in missing authentication

Title source: cna
STIX 2.1

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.

References (9)

Core 9
Core References
Vdb Entry vdb-entry
VDB-360899 | PrefectHQ prefect WebSocket Endpoint in missing authentication
https://vuldb.com/vuln/360899
Signature, Permissions Required signature permissions-required
VDB-360899 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/360899/cti
Third Party Advisory third-party-advisory
Submit #807256 | PerfectHQ Perfect <=3.6.13 Missing Critical Step in Authentication
https://vuldb.com/submit/807256

Scores

CVSS v3 7.3
EPSS 0.0011
EPSS Percentile 29.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-287 CWE-306
Status published
Products (15)
PrefectHQ/prefect 3.6.0
PrefectHQ/prefect 3.6.1
PrefectHQ/prefect 3.6.10
PrefectHQ/prefect 3.6.11
PrefectHQ/prefect 3.6.12
PrefectHQ/prefect 3.6.13
PrefectHQ/prefect 3.6.14
PrefectHQ/prefect 3.6.2
PrefectHQ/prefect 3.6.3
PrefectHQ/prefect 3.6.4
... and 5 more
Published May 04, 2026
Tracked Since May 04, 2026