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Fencer Intel
medium 6.3

CVE-2026-112943 json

launch-editor: escapeCmdArgs() omits % escaping on Windows

published 20d ago modified 20d ago also EUVD-2026-105039 , GHSA-698v-4r3x-3vcv

cvss
6.3
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

launch-editor allows users to open files with line numbers in editor from Node.js. Prior to 2.14.2, launch-editor did not escape % on Windows when passing an argument to cmd. When an environment variable contained a malicious value, it was possible that that content to be executed. This vulnerability is fixed in 2.14.2.

Patch / fix

  • npm launch-editor 2.14.2
  • npm vite 6.4.4, 7.3.7, 8.1.6, 8.2.4, 8.3.3
  • npm vite-plus 1.1.0
  • vitejs launch-editor 2.14.2
  • vitejs vite 1.1.0, 2.14.2, 6.4.4, 7.3.7, 8.1.6, 8.2.4, 8.3.3

Is CVE-2026-112943 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-112943 updated cvss 8.1

launch-editor: launch-editor: Arbitrary code execution via improper argument escaping on Windows

  • Red Hat Hardened Images grafana13.1 13.1.7-0.2.hum1, grafana13.2 13.2.3-0.3.hum1, prometheus3.13 3.13.4-0.1.hum1
    not affected: component not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20d ago

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 4.0 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA 4.0 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected packages

ecosystem package affected fixed in
npm launch-editor
<2.14.2
2.14.2
npm vite
>=8.3.0, <8.3.3
>=8.2.0, <8.2.4
>=8.0.0, <8.1.6
>=7.0.0, <7.3.7
<6.4.4
8.3.3
8.2.4
8.1.6
7.3.7
6.4.4
npm vite-plus
<1.1.0
1.1.0

Affected products

  • vitejs launch-editor
  • vitejs vite
  • vitejs vite-plus

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.