How severe is CVE-2026-75171?

CVE-2026-75171 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-2026-75171 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-75171?

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-2026-75171 published?

CVE-2026-75171 was published on 2026-09-04 and last updated on 2026-09-14.

CVE-2026-75171

CVE-2026-75171 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-384.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Published: 2026-09-04
Last modified: 2026-09-14

Description

An issue in HubCore v.14.1.1 allows a remote attacker to escalate privileges via the HUBCOREID session cookie handling component.

Frequently asked questions

What is CVE-2026-75171?: An issue in HubCore v.14.1.1 allows a remote attacker to escalate privileges via the HUBCOREID session cookie handling component.
How severe is CVE-2026-75171?: CVE-2026-75171 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-2026-75171 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-75171?: 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-2026-75171 published?: CVE-2026-75171 was published on 2026-09-04 and last updated on 2026-09-14.

References

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