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CVE-2026-14802

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0128dd3e73ee6b1abeedc5abcac41185b3f95d710f8f2a738b123d75d8730b3f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"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","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"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","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/metrics/3/cvssV2_0
cwe · 2 assertions

{"cweId":"CWE-78","description":"OS Command Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:react:create-react-app:*:*:*:*:*:*:*:*"],"modules":["react-dev-utils"],"product":"create-react-app","vendor":"react","versions":[{"status":"affected","version":"5.0.0"},{"status":"affected","version":"5.0.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"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","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"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","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

2 source assertions
{"cweId":"CWE-78","description":"OS Command Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-77","description":"Command Injection","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/problemTypes/1/descriptions/0

Source references

7 source assertions
{"tags":["product"],"url":"https://github.com/react/create-react-app/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/references/5
{"tags":["exploit","issue-tracking"],"url":"https://github.com/react/create-react-app/issues/17269"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/references/4
{"name":"CVE-2026-14802 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-14802"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://vuldb.com/submit/850857"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/adp/0/references/0
{"name":"Submit #850857 | Node.js create-react-app 12.0.1 OS Command Injection","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/850857"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/references/3
{"name":"VDB-376396 | react create-react-app react-dev-utils openBrowser.js startBrowserProcess os command injection","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/376396"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/references/0
{"name":"VDB-376396 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/376396/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9ae1898c9ee7f5346d4b76ee3959f3ab92aad95d62ca08b1d7edc03ac8f79d2e · sha256:ba63d056156ec990… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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