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CVE-2026-82266

Redpanda authentication bypass

9.8 CRITICALEPSS 0.62%
  1. Published28 Aug 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2026-82266 being actively exploited?

CVE-2026-82266 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.62%.

How severe is CVE-2026-82266?

CVE-2026-82266 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.62% probability of exploitation.

How do I fix CVE-2026-82266?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.