Vulnerability Details CVE-2026-32727
SciTokens is a reference library for generating and using SciTokens. Prior to version 1.9.7, the Enforcer is vulnerable to a path traversal attack where an attacker can use dot-dot (..) in the scope claim of a token to escape the intended directory restriction. This occurs because the library normalizes both the authorized path (from the token) and the requested path (from the application) before comparing them using startswith. This issue has been patched in version 1.9.7.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.6%
CVSS Severity
CVSS v3 Score 8.1
References
Products affected by CVE-2026-32727
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cpe:2.3:a:scitokens:scitokens_library:*