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PatchSiren cyber security CVE debrief

CVE-2026-67978 NASA CVE debrief

A Denial of Service (DoS) issue was found in the SBN UDP interface of NASA cFS v7.0.1. The issue allows attackers to cause a DoS via transmitting a crafted SBN frame. This vulnerability impacts service availability and requires immediate attention from affected organizations. The SBN UDP interface is used for communication within the cFS, and a crafted SBN frame can cause the system to become unresponsive. Organizations should verify their affected scope and review official advisories for detailed guidance.

Vendor
NASA
Product
cFS
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-03
Original CVE updated
2026-08-31
Advisory published
2026-08-03
Advisory updated
2026-08-31

Who should care

Organizations using NASA cFS v7.0.1 should verify their affected scope and take defensive actions. This includes reviewing official advisories, monitoring for crafted SBN frames, and implementing compensating controls. Security teams and vulnerability management teams should prioritize this issue due to its potential for service disruption. Operators and administrators of affected systems should also be aware of the vulnerability and take necessary precautions.

Technical summary

The SBN UDP interface in NASA cFS v7.0.1 is vulnerable to a Denial of Service (DoS) attack. An attacker can cause a DoS by transmitting a crafted SBN frame, which can lead to service disruption. This issue has a high impact on service availability and requires immediate attention from organizations using the affected version. The vulnerability is specific to the SBN UDP interface and does not affect other components of cFS.

Defensive priority

High priority due to potential for service disruption

Recommended defensive actions

  • Verify affected scope and inventory
  • Monitor for crafted SBN frames
  • Implement compensating controls
  • Exception tracking and retest
  • Review official advisories for detailed guidance

Evidence notes

Evidence is limited; primary official records indicate a DoS issue in NASA cFS v7.0.1 SBN UDP interface. Further verification is recommended. Organizations should verify their affected scope and review official advisories for detailed guidance. Defensive actions should include monitoring for crafted SBN frames and implementing compensating controls.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-67978 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-67978

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-67978 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-67978

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.