What is CVE-2026-48129?

CVE-2026-48129 is a medium-severity vulnerability in Kestra-io Kestra, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-06-19.

How severe is CVE-2026-48129?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Kestra-io Kestra

CVE-2026-48129

Kestra is an open-source, event-driven orchestration platform. Prior to versions 1.3.19, 1.2.19, 1.1.19, and 1.0.43, Kestra task `inputFiles` writes rendered file names directly under the task working directory. When a flow forwards untrus…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L.

Affected products

Kestra-io Kestra — versions < 1.0.43, >= 1.1.0, < 1.1.19, >= 1.2.0, < 1.2.19

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-48129?: CVE-2026-48129 is a medium-severity vulnerability in Kestra-io Kestra, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-06-19.
How severe is CVE-2026-48129?: Medium severity. CVSS v3 base score is 6.5 out of 10.