CVE-2026-18811

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-04. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 7.2Exploit: Elevated riskExposed: 0

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

A vulnerability was detected in H3C NX15 V100R017. The affected element is the function Add of the file /api/esps. Performing a manipulation of the argument esps.filter.url results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.

CVSS v3
7.2
EG Score
7.2(high)
EG Risk
48(Track*)
EG Risk 48/100SSVC: 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
Severity72% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
2%
EPSS %ILE
82%
KEV
Not listed

Published

August 4, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 4, 2026
No patch confirmed yet.
generic

IOT_Vul_Public/H3C/NX15R017/esps_filter_url_add_root_rce at main · coconut652-7/IOT_Vul_Public · GitHub

https://github.com/coconut652-7/IOT_Vul_Public/tree/main/H3C/NX15R017/esps_filter_url_add_root_rce

Vendor Advisories for CVE-2026-18811(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 29× 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.

  1. 2026-08-20 14:21 UTCGHSA enrichment
  2. 2026-08-20 02:17 UTCEG score recompute
  3. 2026-08-20 02:17 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 14:49 UTCGHSA enrichment
  6. 2026-08-19 03:16 UTCGHSA enrichment
  7. 2026-08-18 15:47 UTCEG score recompute
  8. 2026-08-18 15:47 UTCGHSA enrichment
  9. 2026-08-18 13:48 UTCEPSS rescore
  10. 2026-08-18 04:03 UTCGHSA enrichment
  11. 2026-08-17 16:32 UTCEG score recompute
  12. 2026-08-17 16:32 UTCGHSA enrichment
  13. 2026-08-17 13:47 UTCEPSS rescore
  14. 2026-08-17 04:47 UTCGHSA enrichment
  15. 2026-08-16 17:19 UTCEG score recompute
  16. 2026-08-16 17:19 UTCGHSA enrichment
  17. 2026-08-16 14:56 UTCEPSS rescore
  18. 2026-08-16 05:50 UTCEG score recompute
  19. 2026-08-16 05:50 UTCGHSA enrichment
  20. 2026-08-16 02:14 UTCEPSS rescore
  21. 2026-08-15 18:23 UTCGHSA enrichment
  22. 2026-08-15 06:55 UTCEG score recompute
  23. 2026-08-15 06:55 UTCGHSA enrichment
  24. 2026-08-15 01:30 UTCEPSS rescore
  25. 2026-08-14 19:00 UTCGHSA enrichment
Show 48 more
  1. 2026-08-14 07:32 UTCEG score recompute
  2. 2026-08-14 07:32 UTCGHSA enrichment
  3. 2026-08-13 22:00 UTCEPSS rescore
  4. 2026-08-13 20:04 UTCGHSA enrichment
  5. 2026-08-13 08:36 UTCGHSA enrichment
  6. 2026-08-12 21:08 UTCGHSA enrichment
  7. 2026-08-12 20:37 UTCEG score recompute
  8. 2026-08-12 20:37 UTCGHSA enrichment
  9. 2026-08-12 13:50 UTCEPSS rescore
  10. 2026-08-12 09:09 UTCGHSA enrichment
  11. 2026-08-11 21:40 UTCEG score recompute
  12. 2026-08-11 21:40 UTCGHSA enrichment
  13. 2026-08-11 13:42 UTCEPSS rescore
  14. 2026-08-11 10:12 UTCEG score recompute
  15. 2026-08-11 10:12 UTCGHSA enrichment
  16. 2026-08-11 00:00 UTCEPSS rescore
  17. 2026-08-10 22:44 UTCGHSA enrichment
  18. 2026-08-10 11:15 UTCGHSA enrichment
  19. 2026-08-09 23:47 UTCEG score recompute
  20. 2026-08-09 23:47 UTCGHSA enrichment
  21. 2026-08-09 13:46 UTCEPSS rescore
  22. 2026-08-09 12:19 UTCGHSA enrichment
  23. 2026-08-09 00:51 UTCEG score recompute
  24. 2026-08-09 00:51 UTCGHSA enrichment
  25. 2026-08-08 16:37 UTCEPSS rescore
  26. 2026-08-08 13:23 UTCGHSA enrichment
  27. 2026-08-08 01:55 UTCEG score recompute
  28. 2026-08-08 01:55 UTCGHSA enrichment
  29. 2026-08-07 14:27 UTCGHSA enrichment
  30. 2026-08-07 02:58 UTCGHSA enrichment
  31. 2026-08-06 15:30 UTCEG score recompute
  32. 2026-08-06 15:30 UTCGHSA enrichment
  33. 2026-08-06 13:46 UTCEPSS rescore
  34. 2026-08-06 03:59 UTCEG score recompute
  35. 2026-08-06 03:59 UTCGHSA enrichment
  36. 2026-08-05 19:17 UTCEPSS rescore
  37. 2026-08-05 16:31 UTCEG score recompute
  38. 2026-08-05 16:31 UTCGHSA enrichment
  39. 2026-08-05 16:27 UTCNVD updateCVSS v4 → 7.3
  40. 2026-08-05 15:29 UTCEG score recompute
  41. 2026-08-05 15:29 UTCGHSA enrichment
  42. 2026-08-05 15:25 UTCMITRE cvelistV5CVSS v4 → 8.6
  43. 2026-08-05 09:00 UTCGHSA enrichment
  44. 2026-08-04 21:31 UTCEG score recompute
  45. 2026-08-04 21:31 UTCGHSA enrichment
  46. 2026-08-04 21:26 UTCNVD updateCVSS v4 → 7.3
  47. 2026-08-04 20:43 UTCEG score recompute
  48. 2026-08-04 20:40 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18811?
CVE-2026-18811 is a high vulnerability published on August 4, 2026. A vulnerability was detected in H3C NX15 V100R017. The affected element is the function Add of the file /api/esps. Performing a manipulation of the argument esps.filter.url results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used. The…
When was CVE-2026-18811 disclosed?
CVE-2026-18811 was first published in the National Vulnerability Database on August 4, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18811 actively exploited?
CVE-2026-18811 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 18.4% of all scored CVEs.
What is the CVSS score of CVE-2026-18811?
CVE-2026-18811 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-18811?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18811, 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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