CVE-2026-26936

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 25.2% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-02-26 17:07Z6 MO AGO

Last updated

2026-02-26 18:28Z6 MO AGO

Reserved

2026-02-16

Assigning CNA

elastic

Record state

PUBLISHED

Severity

Medium (CVSS 4.9)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-1333Inefficient Regular Expression ComplexityBase

Data version

5.2

Document digest

273990dbabb0f9d5085ef53ce3a426d16ced8a4e5dc7d80ba6e622971c617e17

• discuss.elastic.cohttps://discuss.elastic.co/t/kibana-8-19-11-9-2-5-security-update-esa-2026-14/385250