In Internet2 Grouper before 7.5.1 (in some configurations), a user who is allowed to create or edit rules in the User Interface can escalate privileges.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Internet2 Grouper unaffected
Version Status Constraints
5.8.3 affected ≤ 5.22.5
6.0.0 affected < 6.4.1
7.0.0 affected < 7.5.1

No data.

No data.

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No data.

Project Subscriptions

Vendors Products
Internet2 Subscribe
Grouper Subscribe
Advisories

No advisories yet.

Fixes

Solution

Upgrade to fixed container version

Workaround

Turn off rules in UI for non-admins

References
Link Providers
https://docs.grouper.internet2.edu/wiki/spaces/Grouper/pages/240549893/ cve-icon cve-icon
History

Wed, 30 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 30 Sep 2026 19:45:00 +0000

Type Values Removed Values Added
Title Privilege Escalation via Rule Editing in Internet2 Grouper

Wed, 30 Sep 2026 16:00:00 +0000

Type Values Removed Values Added
Description In Internet2 Grouper before 7.5.1 (in some configurations), a user who is allowed to create or edit rules in the User Interface can escalate privileges.
First Time appeared Internet2
Internet2 grouper
Weaknesses CWE-266
CPEs cpe:2.3:a:internet2:grouper:*:*:*:*:*:*:*:*
Vendors & Products Internet2
Internet2 grouper
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:N/R:U/RE:L/U:Red'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-30T19:06:00.204Z

Reserved: 2026-09-30T15:52:59.863Z

Link: CVE-2026-103470

cve-icon Vulnrichment

Updated: 2026-09-30T18:42:12.790Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-30T16:17:10.230

Modified: 2026-09-30T19:16:40.507

Link: CVE-2026-103470

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T19:30:18Z

Weaknesses