How severe is CVE-2026-10843?

CVE-2026-10843 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-10843 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-10843?

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.

Does CVE-2026-10843 have an EU (EUVD) identifier?

Yes. CVE-2026-10843 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34249.

When was CVE-2026-10843 published?

CVE-2026-10843 was published on 2026-06-04 and last updated on 2026-06-30.

CVE-2026-10843

CVE-2026-10843 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. 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-250.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34249
Weakness: CWE-250
Published: 2026-06-04
Last modified: 2026-06-30

Description

A flaw was found in the OpenShift Cloud Credential Operator Mint-mode IAM policies for AWS. Operator credentials are provisioned with account-wide scope for destructive actions rather than being restricted to cluster-owned resources, enabling cross-scope impact after credential compromise.

Frequently asked questions

What is CVE-2026-10843?: A flaw was found in the OpenShift Cloud Credential Operator Mint-mode IAM policies for AWS. Operator credentials are provisioned with account-wide scope for destructive actions rather than being restricted to cluster-owned resources, enabling cross-scope impact after credential compromise.
How severe is CVE-2026-10843?: CVE-2026-10843 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-10843 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-10843?: 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.
Does CVE-2026-10843 have an EU (EUVD) identifier?: Yes. CVE-2026-10843 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34249.
When was CVE-2026-10843 published?: CVE-2026-10843 was published on 2026-06-04 and last updated on 2026-06-30.

References

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