Is shell-quote affected by CVE-2026-9277?

npm shell-quote is affected in >=1.1.0 <1.8.4.

Is CVE-2026-9277 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.8%.

critical

CVE-2026-9277

Q: Is CVE-2026-9277 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.8%.

npm · shell-quote

Summary

shell-quote quote() does not escape newlines in object .op values

Severity: critical
EPSS: 0.8% (p56)
Also known as: GHSA-w7jw-789q-3m8p
Published: 2026-06-09

References

https://github.com/ljharb/shell-quote/security/advisories/GHSA-w7jw-789q-3m8p
https://nvd.nist.gov/vuln/detail/CVE-2026-9277
https://github.com/ljharb/shell-quote/commit/1518179

Related advisories

CVE-2026-13311 — high · npm/shell-quote

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.