How severe is CVE-2026-1363?

CVE-2026-1363 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-2026-1363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1363?

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.

Does CVE-2026-1363 have an EU (EUVD) identifier?

Yes. CVE-2026-1363 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4423.

When was CVE-2026-1363 published?

CVE-2026-1363 was published on 2026-01-23 and last updated on 2026-06-17.

CVE-2026-1363

CVE-2026-1363 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-603.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4423
Weakness: CWE-603
Published: 2026-01-23
Last modified: 2026-06-17

Description

IAQS and I6 developed by JNC has a Client-Side Enforcement of Server-Side Security vulnerability, allowing unauthenticated remote attackers to gain administrator privileges by manipulating the web front-end.

Frequently asked questions

What is CVE-2026-1363?: IAQS and I6 developed by JNC has a Client-Side Enforcement of Server-Side Security vulnerability, allowing unauthenticated remote attackers to gain administrator privileges by manipulating the web front-end.
How severe is CVE-2026-1363?: CVE-2026-1363 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-2026-1363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-1363?: 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.
Does CVE-2026-1363 have an EU (EUVD) identifier?: Yes. CVE-2026-1363 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4423.
When was CVE-2026-1363 published?: CVE-2026-1363 was published on 2026-01-23 and last updated on 2026-06-17.

References

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