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Vulnerability record · CVE-2026-10144 · published 15 September 2026

CVE-2026-10144: OS command injection vulnerability

Rsbuild before 2.0.9 contains a command injection vulnerability that allows attackers to execute arbitrary OS commands by supplying a crafted URL containing shell metacharacters to the server.open configuration on macOS. The openBrowser() function in packages/core/src/server/open.ts passes the URL through encodeURI() before interpolating it into a shell command executed via child_process.exec(), but because encodeURI() does not encode dollar signs, parentheses, or semicolons, embedded shell metacharacters are evaluated by /bin/sh, enabling arbitrary command execution.

7.1 CVSS 4.0 High EPSS 1.6% · top 24.5% CWE-78 · OS command injection Deferred
7.1CVSS 4.0 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
23 Sep 2026Last modified by NVD

Description

Rsbuild before 2.0.9 contains a command injection vulnerability that allows attackers to execute arbitrary OS commands by supplying a crafted URL containing shell metacharacters to the server.open configuration on macOS. The openBrowser() function in packages/core/src/server/open.ts passes the URL through encodeURI() before interpolating it into a shell command executed via child_process.exec(), but because encodeURI() does not encode dollar signs, parentheses, or semicolons, embedded shell metacharacters are evaluated by /bin/sh, enabling arbitrary command execution.

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/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:

References

LinkTags
https://github.com/web-infra-dev/rsbuild/commit/c1e2aebd6b1bbdaece15265572c3284f934b674d
https://github.com/web-infra-dev/rsbuild/pull/7789
https://github.com/web-infra-dev/rsbuild/releases/tag/v2.0.9
https://www.vulncheck.com/advisories/rsbuild-command-injection-via-openbrowser-url-handling

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Source: NIST National Vulnerability Database (record CVE-2026-10144), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.