by Kastro
Paper/Archive/CVE-2026-82266

CVE-2026-82266

redpanda-data redpanda — Redpanda Admin API Unauthenticated Superuser Access via Default Configuration

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 49.8.498 × 2010.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
redpanda≤ 26.2.2–CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/redpanda-data/redpanda/issues/30989refgithub.com/redpanda-data/redpandawriteupgithub.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/conf/redpanda.yamlwriteupgithub.com/redpanda-data/redpanda/blob/3cfce474a872090e7c74d14181885f5838c54cf2/src/v/security/request_auth.ccwriteupvulncheck.com/advisories/redpanda-admin-api-unauthenticated-superuser-access-via-default-configuration