CVE intelligence

CVE-2026-86252

h3 versions before 1.15.9 fail to sanitize carriage return characters in EventStream data and comment fields, allowing attackers to inject a

Published 2026-09-06 · CVSS

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

AVAttack Vector: Network
ACAttack Complexity: Low
ATAttack Requirements: None
PRPrivileges Required: None
UIUser Interaction: None
VCVulnerable System Confidentiality: None
VIVulnerable System Integrity: Low
VAVulnerable System Availability: None
SCSubsequent System Confidentiality: None
SISubsequent System Integrity: None
SASubsequent System Availability: None

medium