CVE-2026-85450

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-04. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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.

MOOS core-moos through 10.4.0 contains a denial of service vulnerability in the MOOSDB HTTP server that creates unbounded connections and threads without limits. Attackers can open many connections and send endless header data to exhaust server threads and memory, causing service unavailability.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

September 3, 2026

Last Modified

September 8, 2026

Advisory Details (5)

Auto-updated Sep 3, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

MOOS core-moos through 10.4.0 MOOSDB HTTP Server Resource Exhaustion | Advisories | VulnCheck

https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-http-server-resource-exhaustion
generic

core-moos/Core/libMOOS/DB/HTTPConnection.cpp at ec9c77c68fcbdef8f5e4c60fe243acd223433f0c · themoos/core-moos · GitHub

https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/DB/HTTPConnection.cpp#L167
generic

GitHub - themoos/core-moos: A very light weight, easy to use middleware. You will need core-moos above all other components · GitHub

https://github.com/themoos/core-moos
github_commit

commit dfef92b3bc31 (themoos/core-moos)

Fix landed in themoos/core-moos commit dfef92b3bc31 — awaiting tagged release

https://github.com/themoos/core-moos/commit/dfef92b3bc31886bc47e4d680aef583b78cb8d72
github_pr

Bound the HTTP server's connections, request lines and read waits

Upstream fix in progress (PR #79 · themoos/core-moos, state=open)

https://github.com/themoos/core-moos/pull/79

Vendor Advisories for CVE-2026-85450(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 26× in last 7d / 67× 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. 2026-09-20 23:18 UTCEG score recompute
  2. 2026-09-20 23:18 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 10:41 UTCGHSA enrichment
  5. 2026-09-19 22:19 UTCEG score recompute
  6. 2026-09-19 22:19 UTCGHSA enrichment
  7. 2026-09-19 09:56 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 08:53 UTCGHSA enrichment
  12. 2026-09-17 20:32 UTCEG score recompute
  13. 2026-09-17 20:32 UTCGHSA enrichment
  14. 2026-09-17 19:32 UTCEPSS rescore
  15. 2026-09-17 06:53 UTCGHSA enrichment
  16. 2026-09-16 18:31 UTCEG score recompute
  17. 2026-09-16 18:31 UTCGHSA enrichment
  18. 2026-09-16 14:09 UTCEPSS rescore
  19. 2026-09-16 05:15 UTCEPSS rescore
  20. 2026-09-16 04:01 UTCGHSA enrichment
  21. 2026-09-15 15:37 UTCGHSA enrichment
  22. 2026-09-15 03:16 UTCEG score recompute
  23. 2026-09-15 03:16 UTCGHSA enrichment
  24. 2026-09-15 03:12 UTCEPSS rescore
  25. 2026-09-15 03:12 UTCEPSS rescore
Show 42 more
  1. 2026-09-14 14:55 UTCGHSA enrichment
  2. 2026-09-14 02:34 UTCEG score recompute
  3. 2026-09-14 02:34 UTCGHSA enrichment
  4. 2026-09-13 14:13 UTCGHSA enrichment
  5. 2026-09-13 01:52 UTCEG score recompute
  6. 2026-09-13 01:52 UTCGHSA enrichment
  7. 2026-09-12 13:31 UTCGHSA enrichment
  8. 2026-09-12 01:10 UTCEG score recompute
  9. 2026-09-12 01:10 UTCGHSA enrichment
  10. 2026-09-11 14:53 UTCEPSS rescore
  11. 2026-09-11 14:53 UTCEPSS rescore
  12. 2026-09-11 12:49 UTCEG score recompute
  13. 2026-09-11 12:48 UTCGHSA enrichment
  14. 2026-09-11 00:08 UTCGHSA enrichment
  15. 2026-09-10 11:46 UTCEG score recompute
  16. 2026-09-10 11:46 UTCGHSA enrichment
  17. 2026-09-09 23:25 UTCGHSA enrichment
  18. 2026-09-09 08:41 UTCEG score recompute
  19. 2026-09-09 08:41 UTCGHSA enrichment
  20. 2026-09-08 22:01 UTCEPSS rescore
  21. 2026-09-08 20:19 UTCGHSA enrichment
  22. 2026-09-08 09:59 UTCGHSA enrichment
  23. 2026-09-07 20:51 UTCEG score recompute
  24. 2026-09-07 20:51 UTCGHSA enrichment
  25. 2026-09-07 08:29 UTCGHSA enrichment
  26. 2026-09-06 20:08 UTCEG score recompute
  27. 2026-09-06 20:08 UTCGHSA enrichment
  28. 2026-09-06 13:48 UTCEPSS rescore
  29. 2026-09-06 07:45 UTCGHSA enrichment
  30. 2026-09-05 19:23 UTCEG score recompute
  31. 2026-09-05 19:23 UTCGHSA enrichment
  32. 2026-09-05 15:31 UTCEPSS rescore
  33. 2026-09-05 07:02 UTCGHSA enrichment
  34. 2026-09-04 18:41 UTCEG score recompute
  35. 2026-09-04 18:41 UTCGHSA enrichment
  36. 2026-09-04 17:29 UTCEG score recompute
  37. 2026-09-04 17:29 UTCGHSA enrichment
  38. 2026-09-04 11:48 UTCEG score recompute
  39. 2026-09-04 11:48 UTCGHSA enrichment
  40. 2026-09-03 23:27 UTCEG score recompute
  41. 2026-09-03 22:44 UTCEG score recompute
  42. 2026-09-03 22:43 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-85450?
CVE-2026-85450 is a high vulnerability published on September 3, 2026. MOOS core-moos through 10.4.0 contains a denial of service vulnerability in the MOOSDB HTTP server that creates unbounded connections and threads without limits. Attackers can open many connections and send endless header data to exhaust server threads and memory, causing service unavailability.
When was CVE-2026-85450 disclosed?
CVE-2026-85450 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-2026-85450 actively exploited?
CVE-2026-85450 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 71.3% of all scored CVEs.
What is the CVSS score of CVE-2026-85450?
CVE-2026-85450 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-85450?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-85450, 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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