PrefectHQ prefect Health Check API health endswith improper authentication
Summary
| CVE | CVE-2026-7722 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-04 03:16:12 UTC |
| Updated | 2026-05-04 22:16:19 UTC |
| Description | A 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. The patch is named e21617125335025b4b27e7d6f0ca028e8e8f3b79. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. |
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
EPSS: 0.000730000 probability, percentile 0.218860000 (date 2026-05-05)
Problem Types: CWE-287 | CWE-287 Improper Authentication
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 5.5 | MEDIUM | 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/C... |
| 4.0 | CNA | DECLARED | 6.9 | MEDIUM | 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 |
| 3.1 | [email protected] | Secondary | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| 3.1 | CNA | DECLARED | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C |
| 3.0 | CNA | DECLARED | 5.3 | MEDIUM | 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 |
| 2.0 | [email protected] | Secondary | 5 | AV:N/AC:L/Au:N/C:P/I:N/A:N | |
| 2.0 | CNA | DECLARED | 5 | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
NoneConfidentiality
LowIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
NoneAvailability
NoneCVSS: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
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| 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
| Reference | Source | Link | Tags |
|---|---|---|---|
| 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 | |
| github.com/PrefectHQ/prefect/commit/e21617125335025b4b27e7d6f0ca028e8e8f... | [email protected] | github.com | |
| github.com/PrefectHQ/prefect/pull/21063/changes/d8c4ff97ef7c0a940925d32b... | MITRE | 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)
CNA: VulDB CNA Team (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-05-03T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-05-03T02:00:00.000Z | VulDB entry created |
| CNA | 2026-05-04T23:22:23.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.