CVE-2026-105164 NASA CVE debrief

Who should care

Defenders responsible for NASA cFS systems should assess exposure and prioritize verification of affected versions. This includes operators, platform administrators, vulnerability management teams, and security teams. They should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Why it matters

The CVE-2026-105164 vulnerability in NASA cFS allows for out-of-bounds read and has a CVSS score of 5.1. Defenders should prioritize verifying affected versions and assessing exposure in their systems.

• Verify affected versions of NASA cFS in your systems
• Assess exposure to the vulnerability
• Monitor for potential exploitation attempts

Technical summary

The CFE_FS_ParseInputFileNameEx function in NASA cFS up to 7.0.1 is vulnerable to out-of-bounds read. The issue has a CVSS score of 5.1 and is considered medium severity. This vulnerability affects the file cfe/modules/fs/fsw/src/cfe_fs_api.c. The manipulation causes out-of-bounds read. Remote exploitation of the attack is possible. The pull request to fix this issue awaits acceptance. Defenders should prioritize verifying affected versions and assessing exposure in their systems. The official CVE Program record and NIST NVD detail page provide source-provided CVE metadata and vulnerability assessment.

Defensive priority

Defenders should prioritize verifying affected versions and assessing exposure in their systems.

Recommended defensive actions

• Verify affected versions of NASA cFS in your systems
• Assess exposure to the vulnerability
• Monitor for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but information on exploitation and remediation is limited. There is no evidence of exploitation in the wild. The CVE record was published on 2026-10-04T22:16:59.490Z and has not been modified since then. The official CVE Program record and NIST NVD detail page provide source-provided CVE metadata and vulnerability assessment.

Sources and 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.