9.3

CVE-2026-103470: internet2 grouper Incorrect Privilege Assignment

CVSS: 9.3v4.0CriticalAwaiting analysis
Published 30-09-2026Last modified 30-09-2026
Open JSON

Vulnerability summary

CVE-2026-103470 is a critical (CVSS 9.3) Incorrect Privilege Assignment vulnerability in internet2 grouper. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
Critical · v4.0 (CVE.org)
EPSS score
0.26%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-09-2026
    PublishedVulnerability first disclosed.
  2. 30-09-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

01-10-202620-10-2026
EPSS score
0.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Internet21 product
  • grouper≥ 5.8.3, ≤ 5.22.5 | ≥ 6.0.0, < 6.4.1 | ≥ 7.0.0, < 7.5.1

1 vendor · 1 product

References

1 links