SciTokens up to 1.9.5 improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k1.94-

Summaryinfo

A vulnerability labeled as critical has been found in SciTokens up to 1.9.5. This impacts an unknown function. Such manipulation leads to improper authorization. This vulnerability is listed as CVE-2026-32716. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in SciTokens up to 1.9.5 and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-32716 since 03/13/2026. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

Upgrading to version 1.9.6 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 7a237c0f642efb9e8c36ac564b745895cca83583 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: SciTokens 1.9.6
Patch: 7a237c0f642efb9e8c36ac564b745895cca83583

Timelineinfo

03/13/2026 CVE reserved
03/31/2026 +17 days Advisory disclosed
03/31/2026 +0 days VulDB entry created
03/31/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-w8fp-g9rh-34jh
Status: Confirmed

CVE: CVE-2026-32716 (🔒)
GCVE (CVE): GCVE-0-2026-32716
GCVE (VulDB): GCVE-100-354308

Entryinfo

Created: 03/31/2026 08:12
Changes: 03/31/2026 08:12 (66)
Complete: 🔍
Cache ID: 216:D45:103

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