01 Record
CVE-2026-84501
Apache ZooKeeper: Operational log forgery via newline injection in EnsembleAuthenticationProvider
UnratedPUBLISHEDCNA: apache
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Apache ZooKeeper: Operational log forgery via newline injection in EnsembleAuthenticationProvider
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
- Not recorded
- 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
- 2026-09-16 09:28Z1 HR AGO
- Last updated
- 2026-09-16 10:12Z25 MIN AGO
- Reserved
- 2026-09-01
- Assigning CNA
- apache
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-117Improper Output Neutralization for LogsBase
- Data version
- 5.2
- Document digest
- c2133afe63a556acf0e3bedc9c5d5378c8735ee6fd5e6ff39109a61a0e50a33e
05 Affected products
VendorProductVersionsPlatforms
06 References
- lists.apache.orghttps://lists.apache.org/thread/ohby1g6zjt72p0w79rhbr41nczzvr33y
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/09/15/7