CVE-2026-7724: Time-of-check Time-of-use in PrefectHQ prefect
CVE-2026-7724 is a time-of-check to time-of-use (TOCTOU) vulnerability in the validate_restricted_url function of the Webhook/Notification component in PrefectHQ prefect versions up to 3. 6. 28. dev1. This vulnerability can be exploited remotely but requires high attack complexity and has low impact severity. The issue has been publicly disclosed, and an upgrade to version 3. 6. 28. dev2 addresses the vulnerability.
AI Analysis
Technical Summary
This vulnerability affects PrefectHQ prefect up to version 3.6.28.dev1 in the validate_restricted_url function within the Webhook/Notification component. It is a TOCTOU race condition that could allow an attacker to manipulate the URL validation process. Exploitation is remote but considered difficult due to high attack complexity. The vulnerability has a CVSS 4.0 score of 2.3, indicating low severity. A patch identified by commit 7c70ac54a5e101431d83b9f2681ec88d5e0021ed is available in version 3.6.28.dev2.
Potential Impact
The vulnerability allows a remote attacker to exploit a TOCTOU race condition in URL validation, potentially bypassing restrictions. However, the low CVSS score and high attack complexity suggest limited impact and difficulty in exploitation. There are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade PrefectHQ prefect to version 3.6.28.dev2 or later, which contains the patch for this vulnerability. No other mitigations are specifically indicated.
CVE-2026-7724: Time-of-check Time-of-use in PrefectHQ prefect
Description
CVE-2026-7724 is a time-of-check to time-of-use (TOCTOU) vulnerability in the validate_restricted_url function of the Webhook/Notification component in PrefectHQ prefect versions up to 3. 6. 28. dev1. This vulnerability can be exploited remotely but requires high attack complexity and has low impact severity. The issue has been publicly disclosed, and an upgrade to version 3. 6. 28. dev2 addresses the vulnerability.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects PrefectHQ prefect up to version 3.6.28.dev1 in the validate_restricted_url function within the Webhook/Notification component. It is a TOCTOU race condition that could allow an attacker to manipulate the URL validation process. Exploitation is remote but considered difficult due to high attack complexity. The vulnerability has a CVSS 4.0 score of 2.3, indicating low severity. A patch identified by commit 7c70ac54a5e101431d83b9f2681ec88d5e0021ed is available in version 3.6.28.dev2.
Potential Impact
The vulnerability allows a remote attacker to exploit a TOCTOU race condition in URL validation, potentially bypassing restrictions. However, the low CVSS score and high attack complexity suggest limited impact and difficulty in exploitation. There are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade PrefectHQ prefect to version 3.6.28.dev2 or later, which contains the patch for this vulnerability. No other mitigations are specifically indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-03T09:18:19.872Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f80d4bcbff5d86109fed88
Added to database: 5/4/2026, 3:06:51 AM
Last enriched: 5/4/2026, 3:21:19 AM
Last updated: 5/4/2026, 4:07:53 AM
Views: 4
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