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CVE-2026-115293Insertion of Sensitive Information Into Sent Data in Kibana Leading to Credential Disclosure

Description

Insertion of Sensitive Information Into Sent Data (CWE-201) in Kibana Observability onboarding can lead to disclosure of the credentials that Kibana uses to connect to Elasticsearch. When these credentials are embedded in the Elasticsearch host URLs in the Kibana configuration, an authenticated user with the privileges to onboard Observability data can obtain them. The user can then access Elasticsearch directly with the privileges of the Kibana service account, which are outside the privileges granted to that user.

Timeline

  1. ID reserved

    By elastic

  2. · 12 days later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-115293, by who scored it
Scored byCVSSScoreVector
elasticCNA (assigner)3.1Medium6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVDNVD · Awaiting Analysis3.1Medium6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.37% · top 69% of all CVEs (15 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Affected products

  • Elastic · Kibana

    • affected 8.10.0 – ≤ 8.19.23
    • affected 9.0.0 – ≤ 9.4.8
    • affected 9.5.0 – ≤ 9.5.5

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .