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01 Record

CVE-2026-110985

Apache Kafka: Broker silently skips JWT signature verification for SASL/OAUTHBEARER when the JWKS endpoint URL is not configured

UnratedPUBLISHEDCNA: apache
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

Apache Kafka: Broker silently skips JWT signature verification for SASL/OAUTHBEARER when the JWKS endpoint URL is not configured

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Received. NVD last modified this record on 2026-10-28.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-28 16:37Z22 HR AGO
Last updated
2026-10-28 16:37Z22 HR AGO
Reserved
2026-10-15
Assigning CNA
apache
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-345Insufficient Verification of Data AuthenticityClass
  • CWE-347Improper Verification of Cryptographic SignatureBase
  • CWE-636Not Failing Securely ('Failing Open')Class
  • CWE-1287Improper Validation of Specified Type of InputBase
Data version
5.2
Document digest
0565a2ed2e583ef03fde5df4ef9182fcc2df6bd7559620ca14120e026b3f563c

05 Affected products

VendorProductVersionsPlatforms
Apache Software FoundationApache Kafka4.1.0 to 4.1.2, 4.2.0 to 4.2.1, 4.3.0—

06 References