CVE-2026-38891

HIGHPre-NVD 7.57.5
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-02. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An improper input validation in the gazebo_ros_diff_drive.cpp component of gazebo_plugins v3.9.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted geometry_msgs::Twist message.

CVSS v3
7.5
EG Score
7.5(high)
EPSS
26.3%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 2, 2026

Advisory Details (2)

Auto-updated Jul 6, 2026
No patch confirmed yet.
generic

ROS-vul/Gazebo CVE/gazebo_ros_diff_drive.md at main · REYu6/ROS-vul · GitHub

https://github.com/REYu6/ROS-vul/blob/main/Gazebo%20CVE/gazebo_ros_diff_drive.md
generic

ROS-vul/Gazebo CVE/260328211736.mp4 at main · REYu6/ROS-vul · GitHub

https://github.com/REYu6/ROS-vul/blob/main/Gazebo%20CVE/260328211736.mp4

Vendor Advisories for CVE-2026-38891(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 19× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 04:55 UTCEG score recompute
  2. 2026-07-07 04:55 UTCGHSA enrichment
  3. 2026-07-06 16:51 UTCEG score recompute
  4. 2026-07-06 16:51 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 04:46 UTCEG score recompute
  8. 2026-07-06 04:46 UTCGHSA enrichment
  9. 2026-07-06 02:23 UTCEPSS rescore
  10. 2026-07-06 02:23 UTCEPSS rescore
  11. 2026-07-05 16:38 UTCEG score recompute
  12. 2026-07-05 16:38 UTCGHSA enrichment
  13. 2026-07-05 04:34 UTCEG score recompute 7.50
  14. 2026-07-05 04:34 UTCGHSA enrichment
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-02 16:58 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  18. 2026-07-01 23:09 UTCEG score recompute
  19. 2026-07-01 23:08 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-38891?
CVE-2026-38891 is a high vulnerability published on July 1, 2026. An improper input validation in the gazeborosdiffdrive.cpp component of gazeboplugins v3.9.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted geometry_msgs::Twist message.
When was CVE-2026-38891 disclosed?
CVE-2026-38891 was first published in the National Vulnerability Database on July 1, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-38891 actively exploited?
CVE-2026-38891 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-38891?
CVE-2026-38891 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-38891?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-38891, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-38891

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