PrefectHQ prefect Health Check API health endswith improper authentication

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-7722
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-04 03:16:12 UTC
Updated2026-05-04 03:16:12 UTC
DescriptionA vulnerability was detected in PrefectHQ prefect up to 3.6.21. This impacts the function endswith of the file /api/health of the component Health Check API. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The exploit is now public and may be used. Upgrading to version 3.6.22 will fix this issue. Upgrading the affected component is recommended.

Risk And Classification

Primary CVSS: v4.0 5.5 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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

Problem Types: CWE-287 | CWE-287 Improper Authentication

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.5MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
3.0CNADECLARED5.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
2.0[email protected]Secondary5AV:N/AC:L/Au:N/C:P/I:N/A:N
2.0CNADECLARED5AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA PrefectHQ Prefect affected 3.6.0 Not specified
CNA PrefectHQ Prefect affected 3.6.1 Not specified
CNA PrefectHQ Prefect affected 3.6.2 Not specified
CNA PrefectHQ Prefect affected 3.6.3 Not specified
CNA PrefectHQ Prefect affected 3.6.4 Not specified
CNA PrefectHQ Prefect affected 3.6.5 Not specified
CNA PrefectHQ Prefect affected 3.6.6 Not specified
CNA PrefectHQ Prefect affected 3.6.7 Not specified
CNA PrefectHQ Prefect affected 3.6.8 Not specified
CNA PrefectHQ Prefect affected 3.6.9 Not specified
CNA PrefectHQ Prefect affected 3.6.10 Not specified
CNA PrefectHQ Prefect affected 3.6.11 Not specified
CNA PrefectHQ Prefect affected 3.6.12 Not specified
CNA PrefectHQ Prefect affected 3.6.13 Not specified
CNA PrefectHQ Prefect affected 3.6.14 Not specified
CNA PrefectHQ Prefect affected 3.6.15 Not specified
CNA PrefectHQ Prefect affected 3.6.16 Not specified
CNA PrefectHQ Prefect affected 3.6.17 Not specified
CNA PrefectHQ Prefect affected 3.6.18 Not specified
CNA PrefectHQ Prefect affected 3.6.19 Not specified
CNA PrefectHQ Prefect affected 3.6.20 Not specified
CNA PrefectHQ Prefect affected 3.6.21 Not specified
CNA PrefectHQ Prefect unaffected 3.6.22 Not specified

References

ReferenceSourceLinkTags
github.com/PrefectHQ/prefect/pull/21063/changes/d8c4ff97ef7c0a940925d32b... [email protected] github.com
vuldb.com/submit/807255 [email protected] vuldb.com
github.com/PrefectHQ/prefect [email protected] github.com
vuldb.com/vuln/360898 [email protected] vuldb.com
github.com/PrefectHQ/prefect/releases/tag/3.6.22 [email protected] github.com
vuldb.com/vuln/360898/cti [email protected] vuldb.com
github.com/PrefectHQ/prefect/pull/21063 [email protected] github.com
gist.github.com/nedlir/f576abbb0e491dc9bb7e106c140dda04 [email protected] gist.github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: nedlir (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-05-03T00:00:00.000ZAdvisory disclosed
CNA2026-05-03T02:00:00.000ZVulDB entry created
CNA2026-05-03T11:23:28.000ZVulDB entry last update
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