Applied Cybernetics Group Sat, Nov 7, 2026 · data 12:17Z
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GNU Bash OS Command Injection Vulnerability

Added to KEV
2025-10-02
Federal due date
2025-10-23
Vendor
GNU
Product
GNU Bash
EPSS
100.0th percentile (score 0.997, as of 2026-11-06)
NVD CVSS v3.1
—
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2014-6278

CISA short description

GNU Bash contains an OS command injection vulnerability which allows remote attackers to execute arbitrary commands via a crafted environment.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.