Untrusted Search Path Affecting github.com/xyproto/algernon/engine package, versions <1.17.7


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.44% (35th percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMXYPROTOALGERNONENGINE-17117183
  • published1 Jun 2026
  • disclosed26 May 2026
  • creditDredsen

Introduced: 26 May 2026

CVE-2026-45721  (opens in a new tab)
CWE-426  (opens in a new tab)

How to fix?

Upgrade github.com/xyproto/algernon/engine to version 1.17.7 or higher.

Overview

Affected versions of this package are vulnerable to Untrusted Search Path via the DirPage process. An attacker can execute arbitrary code with the privileges of the server process by placing a handler.lua file in any parent directory above the configured server root and making an HTTP request to a directory path without an index file. This is reachable without authentication, as the handler resolution occurs before permission checks.

CVSS Base Scores

version 4.0
version 3.1