CVE-2026-82266Redpanda Admin API Unauthenticated Superuser Access via Default Configuration
Updated under an hour ago ()
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It affects redpanda-data redpanda. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-306
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
redpanda-data redpanda redpanda_data:redpanda (from the name) | through 26.2.2 | CNA record |
References
- https://github.com/redpanda-data/redpanda/issues/30989issue-tracking
- https://github.com/redpanda-data/redpandaproduct
- https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/conf/redpanda.yamltechnical-description
- https://github.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/src/v/security/request_auth.cctechnical-description
- https://www.vulncheck.com/advisories/redpanda-admin-api-unauthenticated-superuser-access-via-default-configurationthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.