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CVE-2026-32716— SciTokens: Authorization Bypass via Incorrect Scope Path Prefix Checking

Quick assessment

Affected
scitokens scitokens
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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 1.9.6之前版本存在授权问题漏洞，该漏洞源于Enforcer使用简单前缀匹配验证范围路径，可能导致授权绕过。

CVSS 8.1 · High EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2026-32716

Vulnerability Information
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Vulnerability Title
SciTokens: Authorization Bypass via Incorrect Scope Path Prefix Checking
Source: CVE Program / CVE List V5
Vulnerability Description
SciTokens is a reference library for generating and using SciTokens. Prior to version 1.9.6, the Enforcer incorrectly validates scope paths by using a simple prefix match (startswith). This allows a token with access to a specific path (e.g., /john) to also access sibling paths that start with the same prefix (e.g., /johnathan, /johnny), which is an Authorization Bypass. This issue has been patched in version 1.9.6.
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:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
scitokens 授权问题漏洞
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 1.9.6之前版本存在授权问题漏洞，该漏洞源于Enforcer使用简单前缀匹配验证范围路径，可能导致授权绕过。
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 < 1.9.6 -

II. Public POCs for CVE-2026-32716

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III. Intelligence Information for CVE-2026-32716

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Patches & Fixes for CVE-2026-32716 (1)

Vendor Advisories for CVE-2026-32716 (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-2026-32725 8.3 HIGH SciTokens C++: Relative Path Traversal Vulnerability
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

IV. Related Vulnerabilities

Same product: scitokens
Same vendor: scitokens
Same weakness: CWE-285

V. Comments for CVE-2026-32716

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