CVE-2026-38891

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM 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 — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 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(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
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 10× in last 7d / 73× 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.

Showing the most recent 100 of 205 total refreshes for this CVE.

  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-11 09:37 UTCEPSS rescore
  3. 2026-09-10 09:34 UTCEPSS rescore
  4. 2026-09-08 22:00 UTCEPSS rescore
  5. 2026-09-07 16:01 UTCEPSS rescore
  6. 2026-09-06 14:26 UTCEG score recompute
  7. 2026-09-06 14:26 UTCGHSA enrichment
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-06 00:36 UTCEG score recompute
  10. 2026-09-06 00:36 UTCGHSA enrichment
  11. 2026-09-04 05:06 UTCEPSS rescore
  12. 2026-09-02 14:12 UTCEPSS rescore
  13. 2026-09-01 13:53 UTCEPSS rescore
  14. 2026-09-01 04:39 UTCEPSS rescore
  15. 2026-08-30 23:36 UTCEG score recompute
  16. 2026-08-30 23:36 UTCGHSA enrichment
  17. 2026-08-30 19:17 UTCEPSS rescore
  18. 2026-08-30 11:32 UTCEG score recompute
  19. 2026-08-30 11:32 UTCGHSA enrichment
  20. 2026-08-30 01:22 UTCEPSS rescore
  21. 2026-08-28 21:41 UTCEPSS rescore
  22. 2026-08-27 22:23 UTCEG score recompute
  23. 2026-08-27 22:23 UTCGHSA enrichment
  24. 2026-08-27 14:25 UTCEPSS rescore
  25. 2026-08-26 14:46 UTCEPSS rescore
Show 75 more
  1. 2026-08-25 16:14 UTCEG score recompute
  2. 2026-08-25 16:14 UTCGHSA enrichment
  3. 2026-08-25 13:49 UTCEPSS rescore
  4. 2026-08-24 22:56 UTCEG score recompute
  5. 2026-08-24 22:56 UTCGHSA enrichment
  6. 2026-08-24 10:41 UTCEG score recompute
  7. 2026-08-24 10:41 UTCGHSA enrichment
  8. 2026-08-23 19:59 UTCGHSA enrichment
  9. 2026-08-23 07:55 UTCEG score recompute
  10. 2026-08-23 07:55 UTCGHSA enrichment
  11. 2026-08-23 00:19 UTCEPSS rescore
  12. 2026-08-22 19:52 UTCGHSA enrichment
  13. 2026-08-22 06:53 UTCEG score recompute
  14. 2026-08-22 06:53 UTCGHSA enrichment
  15. 2026-08-21 23:49 UTCEPSS rescore
  16. 2026-08-21 17:16 UTCGHSA enrichment
  17. 2026-08-21 04:58 UTCEG score recompute
  18. 2026-08-21 04:58 UTCGHSA enrichment
  19. 2026-08-20 22:55 UTCEPSS rescore
  20. 2026-08-20 16:55 UTCGHSA enrichment
  21. 2026-08-20 04:35 UTCEG score recompute
  22. 2026-08-20 04:35 UTCGHSA enrichment
  23. 2026-08-19 17:03 UTCEPSS rescore
  24. 2026-08-19 12:32 UTCGHSA enrichment
  25. 2026-08-19 00:03 UTCEG score recompute
  26. 2026-08-19 00:03 UTCGHSA enrichment
  27. 2026-08-18 13:48 UTCEPSS rescore
  28. 2026-08-18 11:55 UTCGHSA enrichment
  29. 2026-08-17 23:18 UTCEG score recompute
  30. 2026-08-17 23:18 UTCGHSA enrichment
  31. 2026-08-17 13:47 UTCEPSS rescore
  32. 2026-08-17 06:09 UTCGHSA enrichment
  33. 2026-08-16 18:06 UTCEG score recompute
  34. 2026-08-16 18:06 UTCGHSA enrichment
  35. 2026-08-16 14:56 UTCEPSS rescore
  36. 2026-08-16 06:01 UTCEG score recompute
  37. 2026-08-16 06:01 UTCGHSA enrichment
  38. 2026-08-16 02:14 UTCEPSS rescore
  39. 2026-08-15 17:58 UTCGHSA enrichment
  40. 2026-08-15 05:54 UTCEG score recompute
  41. 2026-08-15 05:54 UTCGHSA enrichment
  42. 2026-08-15 01:30 UTCEPSS rescore
  43. 2026-08-14 17:50 UTCGHSA enrichment
  44. 2026-08-14 05:30 UTCEG score recompute
  45. 2026-08-14 05:30 UTCGHSA enrichment
  46. 2026-08-13 22:00 UTCEPSS rescore
  47. 2026-08-13 17:26 UTCGHSA enrichment
  48. 2026-08-13 05:23 UTCGHSA enrichment
  49. 2026-08-12 17:14 UTCEG score recompute
  50. 2026-08-12 17:14 UTCGHSA enrichment
  51. 2026-08-12 13:51 UTCEPSS rescore
  52. 2026-08-12 05:11 UTCGHSA enrichment
  53. 2026-08-11 17:07 UTCEG score recompute
  54. 2026-08-11 17:07 UTCGHSA enrichment
  55. 2026-08-11 13:43 UTCEPSS rescore
  56. 2026-08-11 05:04 UTCEG score recompute
  57. 2026-08-11 05:04 UTCGHSA enrichment
  58. 2026-08-11 00:00 UTCEPSS rescore
  59. 2026-08-10 17:00 UTCGHSA enrichment
  60. 2026-08-10 04:50 UTCGHSA enrichment
  61. 2026-08-09 16:46 UTCEG score recompute
  62. 2026-08-09 16:46 UTCGHSA enrichment
  63. 2026-08-09 13:46 UTCEPSS rescore
  64. 2026-08-09 04:43 UTCGHSA enrichment
  65. 2026-08-08 16:40 UTCEG score recompute
  66. 2026-08-08 16:40 UTCGHSA enrichment
  67. 2026-08-08 16:37 UTCEPSS rescore
  68. 2026-08-08 04:36 UTCGHSA enrichment
  69. 2026-08-07 16:32 UTCEG score recompute
  70. 2026-08-07 16:32 UTCGHSA enrichment
  71. 2026-08-07 04:29 UTCGHSA enrichment
  72. 2026-08-06 16:25 UTCEG score recompute
  73. 2026-08-06 16:25 UTCGHSA enrichment
  74. 2026-08-06 13:46 UTCEPSS rescore
  75. 2026-08-06 04:22 UTCEG score recompute

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 0% probability of exploitation in the next 30 days, which ranks it in the top 59.5% of all scored CVEs.
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

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