---
title: "CVE-2026-20300: Cisco ISE - SQL Injection"
description: "Cisco ISE contains a SQL injection caused by improper validation of user-supplied input, letting authenticated remote attackers with low-privileged administrative credentials read or modify database data, exploit requires low-privileged admin access."
url: https://panop.io/threat-heartbeat/CVE-2026-20300/
---

# CVE-2026-20300 Cisco ISE - SQL Injection

Cisco ISE contains a SQL injection caused by improper validation of user-supplied input, letting authenticated remote attackers with low-privileged administrative credentials read or modify database data, exploit requires low-privileged admin access.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.29% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-20300)

## Details

Type

SQL Injection

Impact

Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Published

16 September 2026

Updated

15 October 2026

Weakness

[CWE-89](https://cwe.mitre.org/data/definitions/89.html)

## Vendor fix

Update to the latest available version that addresses this vulnerability.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-20300](https://nvd.nist.gov/vuln/detail/CVE-2026-20300)
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-sql-inj-3QTKR947](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-sql-inj-3QTKR947)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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