CVE-2026-18064

NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference

Published Jul 30, 2026 CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Description
An incomplete fix for CVE-2026-15352 in the NASA core Flight System
(cFS) Health and Safety (HS) application leaves a separate NULL pointer
dereference reachable in versions through 7.0.1. An attacker who can
trigger the affected command under specific conditions could cause the
HS application to crash, resulting in a denial-of-service condition and
processor reset.

Remediation

Vendor Workaround

NASA reports that an official fix is currently under development and is expected to be included in a future software release. As an interim mitigation, users can update their HS app from the HS repo ( https://github.com/nasa/HS ) to the latest dev branch. The fix is in the dev branch starting at commit 828855f971db4b6714367ed0a970f52dbeab2965

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Nasa
Nasa core Flight System (cfs) Health & Safety (hs) Application
Vendors & Products Nasa
Nasa core Flight System (cfs) Health & Safety (hs) Application
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An incomplete fix for CVE-2026-15352 in the NASA core Flight System (cFS) Health and Safety (HS) application leaves a separate NULL pointer dereference reachable in versions through 7.0.1. An attacker who can trigger the affected command under specific conditions could cause the HS application to crash, resulting in a denial-of-service condition and processor reset.
Title NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Jul 31, 2026, 3:41 PM
Reserved
Jul 28, 2026, 2:10 PM
Status
Awaiting Analysis
Published
Jul 30, 2026, 10:16 PM
Modified
Oct 23, 2026, 10:10 PM