CVE-2026-121548

Jarun nnn through 5.3 contains an OS command injection vulnerability in plugins/togglex that allows attackers to execute commands via crafted filenames. Attackers can place files whose names contain a double quote and shell syntax, which xargs -I splices into an sh -c script, running commands as the user invoking togglex.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/jarun/nnn
https://github.com/jarun/nnn/blob/v5.3/plugins/togglex#L15
https://github.com/jarun/nnn/commit/04715921aece0257fef7a8558c0783493d98efff
https://github.com/jarun/nnn/issues/2188
https://www.vulncheck.com/advisories/nnn-through-5.3-os-command-injection-via-togglex-plugin
https://github.com/jarun/nnn/issues/2188

Configurations

No configuration.

History

03 Nov 2026, 17:18

Type	Values Removed	Values Added
References	~~() https://github.com/jarun/nnn/issues/2188 -~~	() https://github.com/jarun/nnn/issues/2188 -

03 Nov 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-11-03 16:17

Updated : 2026-11-03 17:18

NVD link : CVE-2026-121548

Mitre link : CVE-2026-121548

CVE.ORG link : CVE-2026-121548

JSON object : View

Products Affected

No product.

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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