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THREAT OPS › Threat News › [NVD] CVE-2026-72648 (MEDIUM 6.5) — Cleartext Storage of Sensitive Information in an Environment Variable (CWE-526) in Elastic Cloud on Kubernetes (ECK) can lead to information disclosure via Retrieve Embedded Sensitive Data (CAPEC-37). When ECK reconciles a Fleet Server resource that authenticates to Elasticsearch

[NVD] CVE-2026-72648 (MEDIUM 6.5) — Cleartext Storage of Sensitive Information in an Environment Variable (CWE-526) in Elastic Cloud on Kubernetes (ECK) can lead to information disclosure via Retrieve Embedded Sensitive Data (CAPEC-37). When ECK reconciles a Fleet Server resource that authenticates to Elasticsearch

mednvdPublished 2026-08-13

CVE-2026-72648 CVSS: 6.5 MEDIUM Published: 2026-08-13T20:17:25.160

Cleartext Storage of Sensitive Information in an Environment Variable (CWE-526) in Elastic Cloud on Kubernetes (ECK) can lead to information disclosure via Retrieve Embedded Sensitive Data (CAPEC-37). When ECK reconciles a Fleet Server resource that authenticates to Elasticsearch with a service account token, the token is written

MITRE ATT&CK techniques

CredentialsT1589.001

Indicators of compromise

CVE-2026-72648cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-72648