CVE-2026-82266
Critical
Description
Redpanda through 26.2.2 binds the Admin API to 0.0.0.0:9644 with admin_api_require_auth defaulting to false, treating unauthenticated requests as superusers. Attackers can reach port 9644 without credentials to create and delete broker accounts, modify cluster configuration, and disrupt partition replication.
SeverityCritical
CVSS9.8
Exploit probability—
ProductRedpanda
PublishedAug 28, 2026
First seenAug 28, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redpanda-data redpanda | v ≤ 26.2.2 | — |
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