Directory Traversal Affecting langfuse-fips-3 package, versions <3.188.0-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.43% (36th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-LANGFUSEFIPS3-17368377
  • published18 Jun 2026
  • disclosed22 Jun 2026

Introduced: 18 Jun 2026

CVE-2026-54286  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade Chainguard langfuse-fips-3 to version 3.188.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream langfuse-fips-3 package and not the langfuse-fips-3 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, on Windows hosts, an encoded backslash (%5C) in the request path decodes to , which the Windows path resolver treats as a separator. serve-static then resolves a single URL segment such as admin\secret.txt into a nested file under the root and serves it, letting an attacker read static files meant to be protected behind prefix-mounted middleware. This vulnerability is fixed in 4.12.25.