What’s Vulnerable › Vulnerabilities

CVE-2026-18064: NASA Core Flight System (cFS) Health & Safety (HS) Application NULL Pointer Dereference

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-30 · updated 2026-10-23
• Weakness: CWE-476

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.

Affected products

• NASA Core Flight System (cFS) Health & Safety (HS) Application: through v7.0.1

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-06.json
• https://github.com/nasa/HS
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-06

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