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Vulnerabilities

Vulnerability · CVE-2026-7723

A flaw has been found in PrefectHQ prefect up to 3.6.13.

Published May 4, 2026 · catalog updated Jun 17, 2026 · A flaw has been

Check if you run it

No confirmed exploitation is on record for CVE-2026-7723. EPSS is 0.71%. Act only if a listed version of A flaw has been is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A flaw has been).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.71%
Remediation
Not established
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-7723

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-7723. EPSS is 0.71%. Act only if a listed version of A flaw has been is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-287: Improper Authentication; CWE-306: Missing Authentication for Critical Function. EPSS 0.71%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 4, 2026 · NIST NVD

    Detected

    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 f8afecadf88ea5f73

  2. Jun 17, 2026 · NIST NVD

    Updated

    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 f8afecadf88ea5f73

Sources

  • CVE.orgVulnerability recordCVE-2026-7723

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-7723

    30-day exploitation probability 0.7%

    first.org
  • NIST NVDVulnerability recordCVE-2026-7723

    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 publ

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.