What is CVE-2026-9277?

CVE-2026-9277 is a high-severity vulnerability, classified under Command Injection. CVSS score: 8.1/10. Published 2026-05-22.

How severe is CVE-2026-9277?

High severity. CVSS v3 base score is 8.1 out of 10.

CVE-2026-9277

CVE-2026-9277

shell-quote's `quote()` function did not validate object-token inputs against the operator model used by `parse()`. The `.op` field was backslash-escaped character by character using `/(.)/g`, which in JavaScript does not match line termin…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.001 (21.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

References

7ffcee3d-2c14-4c3e-b844-86c6a321a158 (vendor-advisory)
7ffcee3d-2c14-4c3e-b844-86c6a321a158 (patch)
7ffcee3d-2c14-4c3e-b844-86c6a321a158 (product)
7ffcee3d-2c14-4c3e-b844-86c6a321a158 (product)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-9277?: CVE-2026-9277 is a high-severity vulnerability, classified under Command Injection. CVSS score: 8.1/10. Published 2026-05-22.
How severe is CVE-2026-9277?: High severity. CVSS v3 base score is 8.1 out of 10.