CVE-2026-8451 (GCVE-0-2026-8451)
Vulnerability from cvelistv5 – Published: 2026-06-30 12:33 – Updated: 2026-06-30 13:43Title
Insufficient input validation leading to memory overread
Summary
Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:43 UTC
CWE
- awe-125
- CWE-125 - Out-of-bounds Read
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| NetScaler | ADC |
Affected:
14.1 , < 72.61
(patch)
Affected: 13.1 , < 63.18 (patch) Affected: 14.1 FIPs , < 72.61 (patch) Affected: 13.1 FIPS and NDcPP , < 37.272 (patch) |
guessed | |
| NetScaler | Gateway |
Affected:
14.1 , < 72.61
(patch)
Affected: 13.1 , < 63.18 (patch) |
guessed |
Date Public
2026-06-30 12:00
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 4d5dcdca-7d58-4047-beb1-f54f5e5c1bb3
Exploited: Yes
Timestamps
First Seen: 2026-07-01
Asserted: 2026-07-01
Scope
Notes: KEVIntel entry: Insufficient input validation leading to memory overread | Affected: NetScaler / ADC, Gateway | CVSS: 8.8 (HIGH) | EPSS: 0.00502 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | Insufficient input validation leading to memory overread |
| Vendor | NetScaler |
| Product | ADC, Gateway |
| Added Date | 2026-07-01T21:50:00.000Z |
| Cvss Score | 8.8 |
| Epss Score | 0.00502 |
| Cvss Severity | HIGH |
| Epss Percentile | 0.39231 |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | True |
References
Created: 2026-07-02 17:00 UTC
| Updated: 2026-07-10 06:14 UTC
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