CVE-2026-84439

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.

Published

2026-09-16 09:27Z1 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

c2609c26120360229b9705c526b19cea3772bf57f19dc497150666f2b1b6d836

• lists.apache.orghttps://lists.apache.org/thread/b7qnjvqjh393l0j07tmnb5ggg40sx3m6vendor-advisory
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/09/15/6