How severe is CVE-2026-33463?

CVE-2026-33463 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-33463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33463?

CVE-2026-33463 affects Elastic Kibana. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33463?

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

Does CVE-2026-33463 have an EU (EUVD) identifier?

Yes. CVE-2026-33463 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33011.

When was CVE-2026-33463 published?

CVE-2026-33463 was published on 2026-05-28 and last updated on 2026-06-17.

CVE-2026-33463

CVE-2026-33463 is a medium-severity vulnerability in Elastic Kibana with a CVSS 3.x base score of 5.3. 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-672.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33011
Weakness: CWE-672
Affected product: Elastic Kibana
Published: 2026-05-28
Last modified: 2026-06-17

Description

Operation on a Resource after Expiration or Termination (CWE-672) in Kibana can lead to unauthorized information disclosure. A logic error in how expiration timestamps were validated allowed a time-bounded access token to remain usable beyond its intended validity window, enabling an unauthenticated actor in possession of the token to retrieve the associated content after expiration.

Frequently asked questions

What is CVE-2026-33463?: Operation on a Resource after Expiration or Termination (CWE-672) in Kibana can lead to unauthorized information disclosure. A logic error in how expiration timestamps were validated allowed a time-bounded access token to remain usable beyond its intended validity window, enabling an unauthenticated actor in possession of the token to retrieve the associated content after expiration.
How severe is CVE-2026-33463?: CVE-2026-33463 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-33463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33463?: CVE-2026-33463 affects Elastic Kibana. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33463?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33463 have an EU (EUVD) identifier?: Yes. CVE-2026-33463 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33011.
When was CVE-2026-33463 published?: CVE-2026-33463 was published on 2026-05-28 and last updated on 2026-06-17.

References

https://discuss.elastic.co/t/8-19-16-9-3-5-security-update-esa-2026-33/386551

Affected products (1)

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

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