HIGH

CVE-2026-92791

2026-09-16 CVSS v3.1

CVSS

7.5

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.

Weakness (CWE)

CWE-22 Path Traversal

EPSS Score

0.51%

Probability of exploitation in next 30 days

42.1th percentile

References

https://github.com/uber/kraken https://github.com/uber/kraken/blob/v0.1.27/build-index/tagserver/server.go#L128-L129 https://github.com/uber/kraken/blob/v0.1.27/lib/backend/namepath/pather.go#L78-L84 https://github.com/uber/kraken/blob/v0.1.27/lib/backend/testfs/server.go#L165-L173 https://github.com/uber/kraken/issues/645 https://www.vulncheck.com/advisories/uber-kraken-through-0.1.29-path-traversal-via-tag-parameter

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Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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