CVE-2026-18794

HIGHPre-NVD 8.28.2—
EchelonGraph scoreHIGH confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-09-01. a secondary CVSS source baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

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

The OpenRGB network protocol allows attackers to cause memory exhaustion and out-of-bounds memory reads and writes by passing inconsistent data.

CVSS v3
8.2
EG Score
8.2(high)
EG Risk
52(Track)
EG Risk 52/100SSVC: 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
Severity82% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
40%
KEV
Not listed

Published

August 26, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Aug 26, 2026
No patch confirmed yet.
generic

Address security issues in release_candidate_1.0rc3 (d2dd9dcc) · Commits · Adam Honse / OpenRGB · GitLab

https://gitlab.com/CalcProgrammer1/OpenRGB/-/commit/d2dd9dcc7369e78f47d01ace19af3750cd89ae66
generic

Making sure you're not a bot!

https://bugzilla.suse.com/show_bug.cgi?id=1274022

Vendor Advisories for CVE-2026-18794(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 / 81× 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. 2026-09-18 20:00 UTCEG score recompute
  2. 2026-09-18 20:00 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 08:29 UTCGHSA enrichment
  5. 2026-09-17 20:59 UTCEG score recompute
  6. 2026-09-17 20:59 UTCGHSA enrichment
  7. 2026-09-17 06:52 UTCGHSA enrichment
  8. 2026-09-16 19:09 UTCEG score recompute
  9. 2026-09-16 19:09 UTCGHSA enrichment
  10. 2026-09-16 14:07 UTCEPSS rescore
  11. 2026-09-16 07:15 UTCEG score recompute
  12. 2026-09-16 07:15 UTCGHSA enrichment
  13. 2026-09-16 05:14 UTCEPSS rescore
  14. 2026-09-15 19:44 UTCGHSA enrichment
  15. 2026-09-15 08:12 UTCEG score recompute
  16. 2026-09-15 08:12 UTCGHSA enrichment
  17. 2026-09-14 20:42 UTCGHSA enrichment
  18. 2026-09-14 09:12 UTCGHSA enrichment
  19. 2026-09-13 21:42 UTCEG score recompute
  20. 2026-09-13 21:42 UTCGHSA enrichment
  21. 2026-09-13 16:46 UTCEPSS rescore
  22. 2026-09-13 10:12 UTCGHSA enrichment
  23. 2026-09-12 22:42 UTCEG score recompute
  24. 2026-09-12 22:42 UTCGHSA enrichment
  25. 2026-09-12 15:00 UTCEPSS rescore
Show 56 more
  1. 2026-09-12 11:12 UTCGHSA enrichment
  2. 2026-09-11 23:26 UTCEG score recompute
  3. 2026-09-11 23:26 UTCGHSA enrichment
  4. 2026-09-11 14:52 UTCEPSS rescore
  5. 2026-09-11 11:56 UTCEG score recompute
  6. 2026-09-11 11:56 UTCGHSA enrichment
  7. 2026-09-11 09:36 UTCEPSS rescore
  8. 2026-09-11 00:05 UTCGHSA enrichment
  9. 2026-09-10 11:56 UTCEG score recompute
  10. 2026-09-10 11:56 UTCGHSA enrichment
  11. 2026-09-10 09:34 UTCEPSS rescore
  12. 2026-09-10 00:06 UTCGHSA enrichment
  13. 2026-09-09 12:21 UTCGHSA enrichment
  14. 2026-09-09 00:52 UTCEG score recompute
  15. 2026-09-09 00:52 UTCGHSA enrichment
  16. 2026-09-08 22:00 UTCEPSS rescore
  17. 2026-09-08 03:17 UTCEG score recompute
  18. 2026-09-08 03:17 UTCGHSA enrichment
  19. 2026-09-07 16:01 UTCEPSS rescore
  20. 2026-09-07 15:46 UTCGHSA enrichment
  21. 2026-09-07 04:16 UTCGHSA enrichment
  22. 2026-09-06 16:45 UTCEG score recompute
  23. 2026-09-06 16:45 UTCGHSA enrichment
  24. 2026-09-06 13:47 UTCEPSS rescore
  25. 2026-09-06 05:15 UTCGHSA enrichment
  26. 2026-09-05 17:45 UTCEG score recompute
  27. 2026-09-05 17:45 UTCGHSA enrichment
  28. 2026-09-05 06:16 UTCGHSA enrichment
  29. 2026-09-04 18:45 UTCEG score recompute
  30. 2026-09-04 18:45 UTCGHSA enrichment
  31. 2026-09-04 07:10 UTCEG score recompute
  32. 2026-09-04 07:10 UTCGHSA enrichment
  33. 2026-09-04 05:06 UTCEPSS rescore
  34. 2026-09-03 19:41 UTCGHSA enrichment
  35. 2026-09-03 08:04 UTCGHSA enrichment
  36. 2026-09-02 20:35 UTCEG score recompute
  37. 2026-09-02 20:35 UTCGHSA enrichment
  38. 2026-09-02 14:11 UTCEPSS rescore
  39. 2026-09-02 08:34 UTCEG score recompute
  40. 2026-09-02 08:34 UTCGHSA enrichment
  41. 2026-09-01 21:03 UTCEG score recompute
  42. 2026-09-01 13:53 UTCEPSS rescore
  43. 2026-09-01 10:05 UTCEG score recompute
  44. 2026-09-01 04:39 UTCEPSS rescore
  45. 2026-08-30 23:29 UTCEG score recompute
  46. 2026-08-30 19:17 UTCEPSS rescore
  47. 2026-08-30 12:00 UTCEG score recompute
  48. 2026-08-30 01:22 UTCEPSS rescore
  49. 2026-08-29 01:27 UTCEG score recompute
  50. 2026-08-28 21:41 UTCEPSS rescore
  51. 2026-08-27 14:56 UTCEG score recompute
  52. 2026-08-27 14:25 UTCEPSS rescore
  53. 2026-08-26 15:54 UTCEG score recompute
  54. 2026-08-26 13:25 UTCEG score recompute
  55. 2026-08-26 09:44 UTCEG score recompute
  56. 2026-08-26 09:43 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-18794?
CVE-2026-18794 is a high vulnerability published on August 26, 2026. The OpenRGB network protocol allows attackers to cause memory exhaustion and out-of-bounds memory reads and writes by passing inconsistent data.
When was CVE-2026-18794 disclosed?
CVE-2026-18794 was first published in the National Vulnerability Database on August 26, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18794 actively exploited?
CVE-2026-18794 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 60.4% of all scored CVEs.
What is the CVSS score of CVE-2026-18794?
CVE-2026-18794 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-18794?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18794, 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-2026-18794

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