CVE-2026-85434

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-04. a secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

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

MOOS-IvP uFldShoreBroker through 24.8.1 fails to verify node ping authenticity before creating outbound bridge routes. Attackers can publish NODE_BROKER_PING messages with crafted HostRecord data to redirect bridged variables to attacker-controlled addresses.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
7%
KEV
Not listed

Published

September 3, 2026

Last Modified

September 8, 2026

Advisory Details (5)

Auto-updated Sep 15, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit, github_pr.
generic

MOOS-IvP through 24.8.1 uFldShoreBroker Bridge Route Injection via Unverified Node Ping | Advisories | VulnCheck

https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-ufldshorebroker-bridge-route-injection-via-unverified-node-ping
github_pr

uFldShoreBroker: refuse a ping whose keyword does not match

Fix merged in moos-ivp/moos-ivp PR #123 on 2026-09-05 — awaiting tagged release

https://github.com/moos-ivp/moos-ivp/pull/123
github_commit

commit 2f5224dcd68f (moos-ivp/moos-ivp)

Fix landed in moos-ivp/moos-ivp commit 2f5224dcd68f — awaiting tagged release

https://github.com/moos-ivp/moos-ivp/commit/2f5224dcd68f92ce9ae10c261bb45dd7000f4d33
generic

moos-ivp/ivp/src/uFldShoreBroker/ShoreBroker.cpp at 1de9ae146cd63c209e8c3fd81611a4ed2472971b · moos-ivp/moos-ivp · GitHub

https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/uFldShoreBroker/ShoreBroker.cpp#L93
generic

GitHub - moos-ivp/moos-ivp: MOOS-IvP is a set of modules for providing autonomy on robotic platforms, in particular autonomous marine vehicles. · GitHub

https://github.com/moos-ivp/moos-ivp

Vendor Advisories for CVE-2026-85434(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 54× in last 7d / 125× 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 125 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-85434?
CVE-2026-85434 is a critical vulnerability published on September 3, 2026. MOOS-IvP uFldShoreBroker through 24.8.1 fails to verify node ping authenticity before creating outbound bridge routes. Attackers can publish NODEBROKERPING messages with crafted HostRecord data to redirect bridged variables to attacker-controlled addresses.
When was CVE-2026-85434 disclosed?
CVE-2026-85434 was first published in the National Vulnerability Database on September 3, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-85434 actively exploited?
CVE-2026-85434 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 93.1% of all scored CVEs.
What is the CVSS score of CVE-2026-85434?
CVE-2026-85434 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-85434?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85434, 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-2026-85434

Explore →

Is Your Infrastructure Affected by CVE-2026-85434?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs