High severity · published Jul 16, 2026
CVE-2026-15352
NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability exists in the Health & Safety (HS) application of NASA's Core Flight System (cFS). The flaw allows the application to crash via segmentation fault when processing a routine Housekeeping Telemetry request, leading to denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Core Flight System (cFS) Health & Safety (HS) Application · NASA
before v7.0.1 · source: vendor
In the news
VulnerabilityHigh
NASA Core Flight System (cFS) Health & Safety (HS) Application
View CSAF
Summary
Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service condition.
The following versions of NASA Core Flight System (cFS) Health & Safety (HS) Application are affected:
Core Flight System (cFS) Health & Safety (HS) Application <=v7.0.1 (CVE-2026-18064)
CVSS
Vendor
Equipment
Vulnerabilities
v3 7.5
NASA
NASA Core Flight System (cFS) Health & Safety (HS) Application
NULL Pointer Dereference
Background
Critical Infrastructure Sectors: Transportation Systems
Countries/Areas Deployed: Worldwide
Company Headquarters Location: United States
Vulnerabilities
Expand All +
CVE-2026-18064
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.
View CVE Details
Affected Products
NASA Core Flight System (cFS) Health & Safety (HS) Application
Vendor: NASA
Product Version: NASA Core Flight System (cFS) Health & Safety (HS) Application: <=v7.0.1
Product Status: known_affected
Remediations
Mitigation NASA reports that an official fix is currently under development and is expe...
Jul 30, 2026·CISA Advisories
VulnerabilityHigh
NASA Core Flight System (cFS) Health & Safety (HS) Application
View CSAF
Summary
Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service condition.
The following versions of NASA Core Flight System (cFS) Health & Safety (HS) Application are affected:
Core Flight System (cFS) Health & Safety (HS) Application
CVSS
Vendor
Equipment
Vulnerabilities
v3 7.5
NASA
NASA Core Flight System (cFS) Health & Safety (HS) Application
NULL Pointer Dereference
Background
Critical Infrastructure Sectors: Transportation Systems
Countries/Areas Deployed: Worldwide
Company Headquarters Location: United States
Vulnerabilities
Expand All +
CVE-2026-15352
A vulnerability exists in the Health & Safety (HS) application of NASA's Core Flight System (cFS). The flaw allows the application to crash via segmentation fault when processing a routine Housekeeping Telemetry request, leading to denial of service.
View CVE Details
Affected Products
NASA Core Flight System (cFS) Health & Safety (HS) Application
Vendor: NASA
Product Version: NASA Core Flight System (cFS) Health & Safety (HS) Application: <v7.0.1
Product Status: known_affected
Remediations
Mitigation NASA recommends users update to v7.0.1 (https://github.com/nasa/HS/releases/tag/v7.0.1) https://github.com/nasa/HS/releases/tag/v7.0.1
Relevant CWE: CWE-476 NULL Pointer Dereference
Metrics
CVSS V...
Jul 16, 2026·CISA Advisories
Affected product
CF
Core Flight System (cFS) Health & Safety (HS) Application
NASA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15352
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15352
github.com
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-197-03.json
github.com
https://github.com/nasa/HS/releases/tag/v7.0.1
www.cisa.gov
https://www.cisa.gov/news-events/ics-advisories/icsa-26-197-03
More from Core Flight System (cFS) Health & Safety (HS) Application
7.5
CVE-2026-18064
NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference
