CVE-2026-71647 ZJU-FAST-Lab CVE debrief

Who should care

Defenders responsible for EGO-Planner-v2 deployments, security teams, and vulnerability management teams should assess exposure and prioritize verification and mitigation. This includes reviewing the affected versions of EGO-Planner-v2 in their inventory and applying patches or mitigations as recommended by the vendor. Additionally, defenders should monitor system logs for potential denial-of-service attacks and implement network mitigations to prevent

Why it matters

CVE-2026-71647 is a high-severity vulnerability in EGO-Planner-v2 that can be exploited to cause a denial of service. Defenders responsible for EGO-Planner-v2 deployments should assess exposure and prioritize verification and mitigation.

• Potential denial-of-service attacks against EGO-Planner-v2 deployments
• Need to verify affected versions and apply patches or mitigations

Technical summary

The vulnerability is caused by an issue in the checkCollisionCallback, execFSMCallback, and planFromGlobalTraj functions in ego_replan_fsm.cpp, which can be exploited to cause a denial of service. This issue affects EGO-Planner-v2, a software project hosted on GitHub, up to commit 5c99a95880401e2599638d567abc0e240396cb42. The CVSS score for this vulnerability is 7.5, indicating a high severity. Defenders responsible for EGO-Planner-v2 deployments should assess exposure and prioritize verification and mitigation. The CVE record was published on 2026-09-10T22:16:59.190Z and was last modified on 2026-09-11T15:17:03.480Z.

Defensive priority

Defenders should prioritize verifying the affected versions of EGO-Planner-v2 in their inventory and applying patches or mitigations as recommended by the vendor.

Recommended defensive actions

• Verify the version of EGO-Planner-v2 in your inventory and check for updates or patches
• Implement network mitigations to prevent exploitation
• Monitor system logs for potential denial-of-service attacks
• 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 limited information about the vulnerability. Additional details may be required to fully assess the impact and risk. Defenders should verify the affected versions of EGO-Planner-v2 in their inventory and apply patches or mitigations as recommended by the vendor. The lack of detailed information about the vulnerability makes it difficult to determine the full scope of the issue.

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.