Uber Kraken through 0.1.29 fails to validate the tag parameter in the /tags/{tag} endpoint, allowing unauthenticated attackers to traverse outside the configured storage root. Attackers can use percent-encoded parent-directory segments in the tag parameter to read arbitrary files accessible to the testfs backend process.

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Wed, 16 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
Description Uber Kraken through 0.1.29 fails to validate the tag parameter in the /tags/{tag} endpoint, allowing unauthenticated attackers to traverse outside the configured storage root. Attackers can use percent-encoded parent-directory segments in the tag parameter to read arbitrary files accessible to the testfs backend process.
Title Uber Kraken through 0.1.29 Path Traversal via tag parameter
First Time appeared Uber
Uber kraken
Weaknesses CWE-22
CPEs cpe:2.3:a:uber:kraken:*:*:*:*:*:*:*:*
Vendors & Products Uber
Uber kraken
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-16T20:32:46.839Z

Reserved: 2026-09-16T19:40:19.438Z

Link: CVE-2026-92791

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-16T21:17:28.627

Modified: 2026-09-16T21:17:28.627

Link: CVE-2026-92791

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses