CVE-2026-7722: Improper Authentication in PrefectHQ prefect
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.
AI Analysis
Technical Summary
This vulnerability affects PrefectHQ prefect versions 3.6.0 through 3.6.21. The issue lies in the Health Check API's /api/health endpoint, where improper authentication occurs due to a flaw in the endswith function. This allows unauthenticated remote attackers to bypass authentication controls. The vulnerability has a CVSS 4.0 base score of 6.9, indicating medium severity. A public exploit exists. The vendor has released version 3.6.22 which fixes this vulnerability.
Potential Impact
Successful exploitation allows remote attackers to bypass authentication on the Health Check API endpoint, potentially granting unauthorized access to health check information or related functionality. The impact is limited to improper authentication without direct evidence of further privilege escalation or data compromise in the provided data.
Mitigation Recommendations
Upgrade PrefectHQ prefect to version 3.6.22 or later to remediate this vulnerability. Since the vendor has released a fixed version, applying this official update is the recommended mitigation. Patch status is confirmed by the advisory stating upgrading to 3.6.22 fixes the issue.
CVE-2026-7722: Improper Authentication in PrefectHQ prefect
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.
CVSS v4.0
Score 6.9medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects PrefectHQ prefect versions 3.6.0 through 3.6.21. The issue lies in the Health Check API's /api/health endpoint, where improper authentication occurs due to a flaw in the endswith function. This allows unauthenticated remote attackers to bypass authentication controls. The vulnerability has a CVSS 4.0 base score of 6.9, indicating medium severity. A public exploit exists. The vendor has released version 3.6.22 which fixes this vulnerability.
Potential Impact
Successful exploitation allows remote attackers to bypass authentication on the Health Check API endpoint, potentially granting unauthorized access to health check information or related functionality. The impact is limited to improper authentication without direct evidence of further privilege escalation or data compromise in the provided data.
Mitigation Recommendations
Upgrade PrefectHQ prefect to version 3.6.22 or later to remediate this vulnerability. Since the vendor has released a fixed version, applying this official update is the recommended mitigation. Patch status is confirmed by the advisory stating upgrading to 3.6.22 fixes the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-03T09:18:12.918Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f80d4bcbff5d86109fed74
Added to database: 5/4/2026, 3:06:51 AM
Last enriched: 5/4/2026, 3:21:32 AM
Last updated: 6/18/2026, 7:18:14 AM
Views: 83
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