CVE-2026-73414
Critical · CVSS 9.2- CVSS
- 9.2
- nvd
- EPSS
- —
- KEV
- No
- Class
- oss containerizable
- CWE-78, CWE-150
Description
Shescape is a simple shell escape library for JavaScript. Prior to 2.1.14 and 3.0.1, getEscapeFunction in src/internal/win/cmd.js does not escape `(` and `)` when applications use the escape or escapeAll APIs on Windows with shell set to cmd.exe, or with shell set to true when CMD is the default. An attacker-controlled argument can break out of a parenthesized CMD construct and inject shell syntax depending on the original command, resulting in arbitrary command execution. This issue is fixed in versions 2.1.14 and 3.0.1.
Affected packages
| npm | shescape | 0 → 2.1.14 |
| npm | shescape | 3.0.0 → 3.0.1 |
References
- https://github.com/ericcornelissen/shescape/commit/43d70b59d09bbe5c3fd02ef08b3a123e977ed9de
- https://github.com/ericcornelissen/shescape/commit/b4b34c394e7f9da2775bb75381066b9a228c425f
- https://github.com/ericcornelissen/shescape/pull/2649
- https://github.com/ericcornelissen/shescape/pull/2651
- https://github.com/ericcornelissen/shescape/releases/tag/v2.1.14
- https://github.com/ericcornelissen/shescape/releases/tag/v3.0.1
- https://github.com/ericcornelissen/shescape/security/advisories/GHSA-w4hw-qcx7-56pr
Status: profiled · ingested 2026-08-15T00:00:50.000Z