CVE-2026-38820

HIGHCVSS 8.3/10EPSS 1.74%

Last modified

CVE-2026-38820 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. 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.. EPSS estimates a 1.74% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
1.74%

76.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
openNDSopenNDS< 11.0.0

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-38820?
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.
How severe is CVE-2026-38820?
CVE-2026-38820 has a CVSS score of 8.3/10 (HIGH severity). The EPSS model estimates a 1.74% probability of exploitation in the next 30 days.
How do I fix CVE-2026-38820?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST