What is CVE-2026-45807?

CVE-2026-45807 is a high-severity vulnerability in Kestra-io Kestra, classified under Path Traversal. CVSS score: 7.7/10. Published 2026-06-26.

How severe is CVE-2026-45807?

High severity. CVSS v3 base score is 7.7 out of 10.

Path Traversal in Kestra-io Kestra

CVE-2026-45807

Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.43 and 1.3.19, several Kestra API endpoints accept a kestra:// URI from the client and pass it through StorageInterface.parentTraversalGuard before reading the und…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Affected products

Kestra-io Kestra — versions < 1.0.43, >= 1.1.0, < 1.3.19

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45807?: CVE-2026-45807 is a high-severity vulnerability in Kestra-io Kestra, classified under Path Traversal. CVSS score: 7.7/10. Published 2026-06-26.
How severe is CVE-2026-45807?: High severity. CVSS v3 base score is 7.7 out of 10.