synced 1 MIN AGO
01 Record

CVE-2026-126187

React: Unauthenticated Remote Code Execution in React Server Components

CriticalPUBLISHEDCNA: GitHub_M
CNA base score9.5 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N
View raw JSON

02 Description

React: Unauthenticated Remote Code Execution in React Server Components

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
2026-11-10 22:33Z1 HR AGO
Last updated
2026-11-10 22:33Z1 HR AGO
Reserved
2026-11-10
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Critical (CVSS 9.5)
CNA CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N
Weaknesses
  • CWE-502Deserialization of Untrusted DataBase
Data version
5.2
Document digest
1ceb8fd236555d102f435b754eb402e96030da009735063dcedbd475414ab579

05 Affected products

VendorProductVersionsPlatforms
reactreact>= 19.0.0, < 19.0.9, >= 19.1.0, < 19.1.10, >= 19.2.0, < 19.2.9, >= 19.3.0, < 19.3.1—

06 References