Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-72648— Cleartext Storage of Sensitive Information in an Environment Variable in Elastic Cloud on Kubernetes Leading to Information Disclosure

Quick assessment

Affected
Elastic Eck Operator
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Elastic Eck Operator是荷兰Elastic公司的一个管理Kubernetes搜索集群的控制器。 Elastic Eck Operator 3.0.0版本至3.4.1版本存在加密问题漏洞，该漏洞源于环境变量中明文存储敏感信息，服务账户令牌被明文写入生成的workload specification，而非引用Kubernetes Secret，导致可读取实时Elasticsearch凭据，造成信息泄露。

CVSS 6.5 · Medium EPSS 0.27% · P20

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Elastic Eck Operator 3.0.0≤ 3.4.1 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-72648

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Cleartext Storage of Sensitive Information in an Environment Variable in Elastic Cloud on Kubernetes Leading to Information Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
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 into the generated workload specification in cleartext rather than being referenced from the Kubernetes Secret that ECK maintains for the other credentials on the same path. Any principal able to read workload specifications in the affected namespace can therefore read a live Elasticsearch credential, even when Kubernetes RBAC does not grant that principal access to Secrets.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过环境变量导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Elastic Eck Operator 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic Eck Operator是荷兰Elastic公司的一个管理Kubernetes搜索集群的控制器。 Elastic Eck Operator 3.0.0版本至3.4.1版本存在加密问题漏洞，该漏洞源于环境变量中明文存储敏感信息，服务账户令牌被明文写入生成的workload specification，而非引用Kubernetes Secret，导致可读取实时Elasticsearch凭据，造成信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Eck Operator 3.0.0 ~ 3.4.1 -

II. Public POCs for CVE-2026-72648

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-72648

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-72648 (1)

Same Patch Batch · Elastic · 2026-08-13 · 48 CVEs total

CVE-2026-72642 8.8 HIGH Use of Out-of-range Pointer Offset in the Elasticsearch Machine Learning Native Inference
CVE-2026-72665 8.1 HIGH Missing Authorization in Kibana Leading to Unauthorized Execution of Host Response Actions
CVE-2026-72670 7.7 HIGH Exposure of Sensitive Information to an Unauthorized Actor in Kibana Leading to Disclosure
CVE-2026-72672 7.7 HIGH Incorrect Authorization in Kibana Leading to Disclosure of Elastic Defend Endpoint Event D
CVE-2026-72669 7.6 HIGH Missing Authorization in Kibana Leading to Cross-User Information Disclosure and Data Tamp
CVE-2026-72658 7.3 HIGH Cross-Site Request Forgery in Kibana Leading to Privilege Escalation
CVE-2026-72677 7.3 HIGH Relative Path Traversal in Kibana Fleet Leading to Unauthorized Deletion of Users and Othe
CVE-2026-72675 7.1 HIGH Missing Authorization in Kibana Machine Learning Leading to Cross-Space Information Disclo
CVE-2026-72629 7.1 HIGH Authorization Bypass Through User-Controlled Key in Kibana Leading to Cross-Space Access t
CVE-2026-72632 7.1 HIGH Observable Discrepancy in Kibana Fleet Leading to Disclosure of Elastic Agent Elasticsearc
CVE-2026-72630 7.1 HIGH Incorrect Authorization in Kibana Fleet Leading to Privilege Escalation
CVE-2026-72643 7.1 HIGH Incorrect Authorization in Kibana Agent Builder Leading to Disclosure and Tampering of Pri
CVE-2026-72666 6.8 MEDIUM Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Query E
CVE-2026-72631 6.5 MEDIUM Improper Privilege Management in Kibana Fleet Leading to Over-Scoped Elastic Agent API Key
CVE-2026-72661 6.5 MEDIUM Missing Authorization in Kibana Leading to Information Disclosure
CVE-2026-49089 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Servic
CVE-2026-72684 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of
CVE-2026-72663 6.5 MEDIUM Inefficient Algorithmic Complexity in Kibana Leading to Denial of Service
CVE-2026-72636 6.5 MEDIUM Uncontrolled Recursion in Elasticsearch Wildcard Matching Leading to Denial of Service
CVE-2026-72657 6.5 MEDIUM Authorization Bypass Through User-Controlled Key in Fleet Server Leading to Information Di

Showing top 20 of 48 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Eck Operator
Same vendor: Elastic
Same weakness: CWE-526

V. Comments for CVE-2026-72648

No comments yet

Leave a comment