CVE-2026-38820CWE-78command-injection

CVE-2026-38820

High · published August 28, 2026

CVSS v3.1
8.3
EPSS
3%
Percentile
86.7
In the wild
Unconfirmed
What it is

openNDS before 11.0.0 is susceptible to unauthenticated OS command execution via shell command injection through the fas query parameter on the /opennds_preauth/ endpoint because of libopennds.sh.

The record
Technical detail
CVSS v3.1
8.3 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.02869 · 86.7th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-08-28T06:16Z
References (1)
https://github.com/openNDS/openNDS/commit/8c03750d9a17d601fa7bd03ae7cde20c7c8d1252 · [email protected]
EPSS history
Timeline
  • 28 AUG 00:07Z
    openNDS before 11.0.0 is susceptible to unauthenticated OS command execution via shell command injection through the fas query parameter on the…
    cvelistv5