How severe is CVE-2026-50628?

CVE-2026-50628 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-2026-50628 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-50628?

CVE-2026-50628 affects Apache Cxf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-50628?

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-2026-50628 have an EU (EUVD) identifier?

Yes. CVE-2026-50628 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36396.

When was CVE-2026-50628 published?

CVE-2026-50628 was published on 2026-06-12 and last updated on 2026-08-07.

CVE-2026-50628

CVE-2026-50628 is a critical-severity vulnerability in Apache Cxf 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36396
Weakness: CWE-20
Affected product: Apache Cxf
Published: 2026-06-12
Last modified: 2026-08-07

Description

A logic error in OAuthRequestFilter rejects legitimate requests originating from the bound IP address, while blindly allowing requests from any other IP address. Enabling this security feature inadvertently creates an inverse security check. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.

Frequently asked questions

What is CVE-2026-50628?: A logic error in OAuthRequestFilter rejects legitimate requests originating from the bound IP address, while blindly allowing requests from any other IP address. Enabling this security feature inadvertently creates an inverse security check. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.
How severe is CVE-2026-50628?: CVE-2026-50628 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-2026-50628 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-50628?: CVE-2026-50628 affects Apache Cxf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-50628?: 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-2026-50628 have an EU (EUVD) identifier?: Yes. CVE-2026-50628 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36396.
When was CVE-2026-50628 published?: CVE-2026-50628 was published on 2026-06-12 and last updated on 2026-08-07.

References

Affected products (1)

cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*

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