CVE-2026-41115
Description
A flaw was found in Apache Kafka. An improper authorization vulnerability exists in the CONSUMER_GROUP_DESCRIBE API, where it incorrectly validates the DESCRIBE operation instead of the READ operation on the GROUP resource. This discrepancy can lead to misconfigured Access Control Lists (ACLs), potentially allowing unauthorized users with DESCRIBE permission to access sensitive group metadata. This could result in unintended information disclosure or unauthorized access to group-related information.
Statement
Moderate: An improper authorization flaw in Apache Kafka's CONSUMER_GROUP_DESCRIBE API could lead to information disclosure. This vulnerability allows users with only DESCRIBE permission on a GROUP resource to access sensitive group metadata, which should typically require READ permission. Exploitation relies on misconfigured Access Control Lists (ACLs) within the Kafka environment.
Common Vulnerability Scoring System (CVSS) Score Details
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 Score Breakdown
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| Base Score | 6.5 | N/A | 4.3 |
| Attack Vector | Network | N/A | Network |
| Attack Complexity | Low | N/A | Low |
| Privileges Required | Low | N/A | Low |
| User Interaction | None | N/A | None |
| Scope | Unchanged | N/A | Unchanged |
| Confidentiality | High | N/A | Low |
| Integrity Impact | None | N/A | None |
| Availability Impact | None | N/A | None |
Vector
Red Hat: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
cve.org: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Understanding the Weakness (CWE)
Confidentiality,Integrity,Availability,Access Control
Technical Impact: Read Application Data; Modify Application Data; Execute Unauthorized Code or Commands; Gain Privileges or Assume Identity
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