How severe is CVE-2026-63142?

CVE-2026-63142 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-63142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-63142?

CVE-2026-63142 affects Elastic Kibana. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-63142?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-63142 published?

CVE-2026-63142 was published on 2026-07-21 and last updated on 2026-08-03.

CVE-2026-63142

CVE-2026-63142 is a medium-severity vulnerability in Elastic Kibana with a CVSS 3.x base score of 5.0. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Elastic Kibana
Published: 2026-07-21
Last modified: 2026-08-03

Description

Incomplete List of Disallowed Inputs (CWE-184) in Kibana can allow an authenticated attacker with access to the Reporting feature to bypass outbound request restrictions configured by an administrator, causing the reporting service to send requests to network destinations that should be denied by the configured security policy.

Frequently asked questions

What is CVE-2026-63142?: Incomplete List of Disallowed Inputs (CWE-184) in Kibana can allow an authenticated attacker with access to the Reporting feature to bypass outbound request restrictions configured by an administrator, causing the reporting service to send requests to network destinations that should be denied by the configured security policy.
How severe is CVE-2026-63142?: CVE-2026-63142 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-63142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-63142?: CVE-2026-63142 affects Elastic Kibana. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-63142?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-63142 published?: CVE-2026-63142 was published on 2026-07-21 and last updated on 2026-08-03.

References

https://discuss.elastic.co/t/kibana-8-19-19-9-3-8-9-4-4-security-update-esa-2026-66/388568

Affected products (1)

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

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