ACTIVELY EXPLOITED

CVE-2014-6278: GNU Bash OS Command Injection Vulnerability

Facts
VendorGNU
ProductGNU Bash
Actively exploitedYes
Added to CISA KEV2 Oct 2025
CISA federal deadline23 Oct 2025
Weakness (CWE)CWE-78

Required action (CISA's text)

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

Description (NVD)

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

SOURCES

Other GNU flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.