How severe is CVE-2026-72670?

CVE-2026-72670 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-72670 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-72670?

CVE-2026-72670 affects Elastic Kibana. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-72670?

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-2026-72670 published?

CVE-2026-72670 was published on 2026-08-13 and last updated on 2026-09-04.

CVE-2026-72670

CVE-2026-72670 is a high-severity vulnerability in Elastic Kibana with a CVSS 3.x base score of 7.7. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Elastic Kibana
Published: 2026-08-13
Last modified: 2026-09-04

Description

A lower privileged user who holds only the privilege to read agent policies can read the entire configuration of a configured Fleet proxy. This would normally require the Fleet privilege to read settings.The proxy configuration possibly contains proxy authentication credentials and private key material that they should not be authorized to view.

Frequently asked questions

What is CVE-2026-72670?: A lower privileged user who holds only the privilege to read agent policies can read the entire configuration of a configured Fleet proxy. This would normally require the Fleet privilege to read settings.The proxy configuration possibly contains proxy authentication credentials and private key material that they should not be authorized to view.
How severe is CVE-2026-72670?: CVE-2026-72670 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-72670 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-72670?: CVE-2026-72670 affects Elastic Kibana. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-72670?: 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-2026-72670 published?: CVE-2026-72670 was published on 2026-08-13 and last updated on 2026-09-04.

References

https://discuss.elastic.co/t/kibana-8-19-20-and-9-4-5-security-update-esa-2026-87/389524

Affected products (1)

cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*

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