How severe is CVE-2026-8402?

CVE-2026-8402 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-8402 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-8402?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-8402 published?

CVE-2026-8402 was published on 2026-06-30.

CVE-2026-8402

CVE-2026-8402 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Published: 2026-06-30
Last modified: 2026-06-30

Description

Improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in Eksagate Electronic Engineering and Computer Industry Trade Inc. SYSGUARD 6001 allows Blind SQL Injection. This issue affects SYSGUARD 6001: from 2.0.2 before 6.1.16.0. NOTE: The vendor was contacted and it was learned that the product is not supported.

Frequently asked questions

What is CVE-2026-8402?: Improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in Eksagate Electronic Engineering and Computer Industry Trade Inc. SYSGUARD 6001 allows Blind SQL Injection. This issue affects SYSGUARD 6001: from 2.0.2 before 6.1.16.0. NOTE: The vendor was contacted and it was learned that the product is not supported.
How severe is CVE-2026-8402?: CVE-2026-8402 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-8402 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-8402?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-8402 published?: CVE-2026-8402 was published on 2026-06-30.

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0467

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