Files or Directories Accessible to External Parties, Server-Side Request Forgery (SSRF) vulnerability in Apache Flink Kubernetes Operator.
The FlinkSessionJob jarURI is currently not validated so that it points to user-owned files or addresses. This lets a user with CR create permissions read files from the operator pod's filesystem and pull content from any backing store reachable through Flink's pluggable filesystem layer and access them through the submitted Flink job. Furthermore for fetching from http/https addresses there is currently no allowlist on the URI scheme, no host check, no IP-range restriction, and no protection against pointing the URI at internal or link-local addresses.This issue affects Apache Flink Kubernetes Operator: from 1.3.0 before 1.15.0.
Users are recommended to upgrade to version 1.15.0, which fixes the issue.
Metrics
Affected Vendors & Products
References
History
Tue, 02 Jun 2026 15:30:00 +0000
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| Metrics |
ssvc
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Mon, 01 Jun 2026 14:15:00 +0000
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| CPEs | cpe:2.3:a:apache:flink_kubernetes_operator:*:*:*:*:*:*:*:* | |
| Metrics |
cvssV3_1
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Wed, 27 May 2026 10:30:00 +0000
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| First Time appeared |
Apache
Apache flink Kubernetes Operator |
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| Vendors & Products |
Apache
Apache flink Kubernetes Operator |
Tue, 26 May 2026 17:30:00 +0000
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| References |
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Tue, 26 May 2026 15:45:00 +0000
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| Description | Files or Directories Accessible to External Parties, Server-Side Request Forgery (SSRF) vulnerability in Apache Flink Kubernetes Operator. The FlinkSessionJob jarURI is currently not validated so that it points to user-owned files or addresses. This lets a user with CR create permissions read files from the operator pod's filesystem and pull content from any backing store reachable through Flink's pluggable filesystem layer and access them through the submitted Flink job. Furthermore for fetching from http/https addresses there is currently no allowlist on the URI scheme, no host check, no IP-range restriction, and no protection against pointing the URI at internal or link-local addresses.This issue affects Apache Flink Kubernetes Operator: from 1.3.0 before 1.15.0. Users are recommended to upgrade to version 1.15.0, which fixes the issue. | |
| Title | Apache Flink Kubernetes Operator: Server-Side Request Forgery and local file access in Kubernetes Operator | |
| Weaknesses | CWE-552 CWE-918 |
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| References |
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Status: PUBLISHED
Assigner: apache
Published: 2026-05-26T14:38:21.937Z
Updated: 2026-06-02T14:12:08.938Z
Reserved: 2026-04-14T12:59:12.603Z
Link: CVE-2026-40564
Updated: 2026-05-26T16:18:03.659Z
Status : Modified
Published: 2026-05-26T16:16:24.590
Modified: 2026-06-02T16:16:38.893
Link: CVE-2026-40564
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