How severe is CVE-2022-4147?

CVE-2022-4147 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-4147 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4147?

CVE-2022-4147 affects Quarkus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4147?

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

When was CVE-2022-4147 published?

CVE-2022-4147 was published on 2022-12-06 and last updated on 2026-06-17.

CVE-2022-4147

CVE-2022-4147 is a high-severity vulnerability in Quarkus with a CVSS 3.x base score of 7.5. 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-1026.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1026
Affected product: Quarkus
Published: 2022-12-06
Last modified: 2026-06-17

Description

Quarkus CORS filter allows simple GET and POST requests with invalid Origin to proceed. Simple GET or POST requests made with XMLHttpRequest are the ones which have no event listeners registered on the object returned by the XMLHttpRequest upload property and have no ReadableStream object used in the request.

Frequently asked questions

What is CVE-2022-4147?: Quarkus CORS filter allows simple GET and POST requests with invalid Origin to proceed. Simple GET or POST requests made with XMLHttpRequest are the ones which have no event listeners registered on the object returned by the XMLHttpRequest upload property and have no ReadableStream object used in the request.
How severe is CVE-2022-4147?: CVE-2022-4147 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-4147 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4147?: CVE-2022-4147 affects Quarkus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4147?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-4147 published?: CVE-2022-4147 was published on 2022-12-06 and last updated on 2026-06-17.

References

https://access.redhat.com/security/cve/CVE-2022-4147

Affected products (1)

cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*

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