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CVE-2026-14802

HIGH Exploitation: PoC
7.3
CVSS 3.1
Description
A vulnerability was detected in react create-react-app up to 5.0.1 on macOS. This affects the function startBrowserProcess of the file openBrowser.js of the component react-dev-utils. Performing a manipulation results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Metadata

CVE ID
CVE-2026-14802
State
PUBLISHED
Assigner
VulDB
Reserved
2026-07-05 19:11 UTC
Published
2026-07-06 06:30 UTC
Last updated
2026-07-06 15:17 UTC
Primary CWE
CWE-78
OS Command Injection
Vendor / Product
react / create-react-app
Sources
cve.org  ·  NVD

Severity & Metrics

7.3 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
react create-react-app — 5.0.0, 5.0.1
Weakness (CWE)
CWESourceDescription
CWE-77 cna Command Injection
CWE-78 cna OS Command Injection
CVSS scores (4)
ScoreSeverityVersionSourceVector
7.5 N/D 2.0 cna AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
7.3 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.3 HIGH 3.0 cna CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.9 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
References (6)
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