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CVE-2026-32725— SciTokens C++: Relative Path Traversal Vulnerability

Quick assessment

Affected
scitokens scitokens-cpp
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

scitokens是SciTokens开源的一个基于JWT的科学计算令牌库。 scitokens 1.4.1之前版本存在安全漏洞，该漏洞源于库在授权前规范化令牌中的范围路径并折叠..路径组件，可能导致路径遍历和授权绕过。

CVSS 8.3 · High EPSS 0.99% · P62

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-32725

Vulnerability Information
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Vulnerability Title
SciTokens C++: Relative Path Traversal Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
SciTokens C++ is a minimal library for creating and using SciTokens from C or C++. Prior to version 1.4.1, scitokens-cpp is vulnerable to an authorization bypass when processing path-based scopes in tokens. The library normalizes the scope path from the token before authorization and collapses ".." path components instead of rejecting them. As a result, an attacker can use parent-directory traversal in the scope claim to broaden the effective authorization beyond the intended directory. This issue has been patched in version 1.4.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
scitokens 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
scitokens是SciTokens开源的一个基于JWT的科学计算令牌库。 scitokens 1.4.1之前版本存在安全漏洞，该漏洞源于库在授权前规范化令牌中的范围路径并折叠..路径组件，可能导致路径遍历和授权绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
scitokens scitokens-cpp < 1.4.1 -

II. Public POCs for CVE-2026-32725

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9757 chars
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III. Intelligence Information for CVE-2026-32725

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Patches & Fixes for CVE-2026-32725 (1)

Vendor Advisories for CVE-2026-32725 (1)

Same Patch Batch · scitokens · 2026-03-31 · 5 CVEs total

CVE-2026-32714 9.8 CRITICAL SciTokens vulnerable to SQL Injection in KeyCache
CVE-2026-32727 8.1 HIGH SciTokens: Authorization Bypass via Path Traversal in Scope Validation
CVE-2026-32726 8.1 HIGH SciTokens C++: Sibling-Path Authorization Bypass
CVE-2026-32716 8.1 HIGH SciTokens: Authorization Bypass via Incorrect Scope Path Prefix Checking

IV. Related Vulnerabilities

Same product: scitokens-cpp
Same vendor: scitokens
Same weakness: CWE-23

V. Comments for CVE-2026-32725

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