Critical severity · published Sep 30, 2026
CVE-2026-103470
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
9.3
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grouper · Internet2
5.8.3 through 5.22.5; 6.0.0 before 6.4.1; 7.0.0 before 7.5.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103470
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103470
docs.grouper.internet2.edu
https://docs.grouper.internet2.edu/wiki/spaces/Grouper/pages/240549893/
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