CVE-2026-8663

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.8%, top 46% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: None knownExposed: 0

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

OS Command Injection vulnerability in Rapid7 InsightConnect RPM Plugin on Linux allows authenticated attackers to execute arbitrary OS commands via the repo, key, or name parameters due to insufficient input sanitization in shell command construction.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity88% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
54%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 29, 2026

Advisory Details (1)

Auto-updated Jun 25, 2026
No patch confirmed yet.
generic

Rapid7 Extensions

https://extensions.rapid7.com/extension/rpm

Vendor Advisories for CVE-2026-8663(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 18× in last 7d / 62× 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. 2026-07-30 02:48 UTCEG score recompute
  2. 2026-07-30 02:48 UTCGHSA enrichment
  3. 2026-07-30 01:30 UTCEPSS rescore
  4. 2026-07-29 13:40 UTCGHSA enrichment
  5. 2026-07-29 00:30 UTCEG score recompute
  6. 2026-07-29 00:30 UTCGHSA enrichment
  7. 2026-07-28 15:37 UTCEPSS rescore
  8. 2026-07-28 07:26 UTCGHSA enrichment
  9. 2026-07-27 18:18 UTCEG score recompute
  10. 2026-07-27 18:18 UTCGHSA enrichment
  11. 2026-07-27 14:14 UTCEPSS rescore
  12. 2026-07-27 05:11 UTCGHSA enrichment
  13. 2026-07-26 15:18 UTCEG score recompute
  14. 2026-07-26 15:18 UTCGHSA enrichment
  15. 2026-07-26 14:54 UTCEPSS rescore
  16. 2026-07-25 14:18 UTCEPSS rescore
  17. 2026-07-24 14:18 UTCEPSS rescore
  18. 2026-07-23 14:18 UTCEPSS rescore
  19. 2026-07-23 03:23 UTCEG score recompute▲ 2.80
  20. 2026-07-22 14:08 UTCEPSS rescore
  21. 2026-07-21 15:25 UTCEPSS rescore
  22. 2026-07-21 15:25 UTCEPSS rescore
  23. 2026-07-20 17:08 UTCEPSS rescore
  24. 2026-07-19 14:31 UTCEPSS rescore
  25. 2026-07-19 02:29 UTCEPSS rescore
Show 49 more
  1. 2026-07-18 10:04 UTCEPSS rescore
  2. 2026-07-17 00:10 UTCGHSA enrichment
  3. 2026-07-16 17:03 UTCEPSS rescore
  4. 2026-07-15 21:51 UTCGHSA enrichment
  5. 2026-07-15 16:57 UTCEPSS rescore
  6. 2026-07-15 02:00 UTCEPSS rescore
  7. 2026-07-14 19:28 UTCGHSA enrichment
  8. 2026-07-13 22:31 UTCEPSS rescore
  9. 2026-07-13 16:49 UTCGHSA enrichment
  10. 2026-07-13 06:13 UTCEPSS rescore
  11. 2026-07-12 14:14 UTCGHSA enrichment
  12. 2026-07-12 05:46 UTCEPSS rescore
  13. 2026-07-11 11:54 UTCGHSA enrichment
  14. 2026-07-11 08:27 UTCEPSS rescore
  15. 2026-07-10 09:35 UTCGHSA enrichment
  16. 2026-07-09 19:10 UTCEPSS rescore
  17. 2026-07-09 07:16 UTCGHSA enrichment
  18. 2026-07-08 15:16 UTCEPSS rescore
  19. 2026-07-08 04:56 UTCGHSA enrichment
  20. 2026-07-07 13:46 UTCEPSS rescore
  21. 2026-07-07 02:26 UTCGHSA enrichment
  22. 2026-07-06 16:27 UTCEPSS rescore
  23. 2026-07-06 16:27 UTCEPSS rescore
  24. 2026-07-06 02:23 UTCEPSS rescore
  25. 2026-07-06 02:23 UTCEPSS rescore
  26. 2026-07-06 00:07 UTCGHSA enrichment
  27. 2026-07-05 02:31 UTCEPSS rescore
  28. 2026-07-05 02:30 UTCEPSS rescore
  29. 2026-07-04 21:47 UTCGHSA enrichment
  30. 2026-07-04 06:31 UTCEPSS rescore
  31. 2026-07-04 06:31 UTCEPSS rescore
  32. 2026-07-03 19:29 UTCGHSA enrichment
  33. 2026-07-02 17:11 UTCGHSA enrichment
  34. 2026-07-01 15:07 UTCEPSS rescore
  35. 2026-07-01 14:53 UTCGHSA enrichment
  36. 2026-06-30 23:22 UTCEPSS rescore
  37. 2026-06-30 12:35 UTCGHSA enrichment
  38. 2026-06-29 20:05 UTCNVD updateCVSS v3 → 8.8 · severity → HIGH
  39. 2026-06-29 14:06 UTCEPSS rescore
  40. 2026-06-29 10:16 UTCGHSA enrichment
  41. 2026-06-28 14:07 UTCEPSS rescore
  42. 2026-06-28 07:57 UTCGHSA enrichment
  43. 2026-06-28 04:56 UTCEPSS rescore
  44. 2026-06-27 05:40 UTCGHSA enrichment
  45. 2026-06-27 03:08 UTCEPSS rescore
  46. 2026-06-26 03:21 UTCGHSA enrichment
  47. 2026-06-25 13:50 UTCEPSS rescore
  48. 2026-06-25 01:03 UTCEG score recompute
  49. 2026-06-25 01:02 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-8663?
CVE-2026-8663 is a high vulnerability published on June 25, 2026. OS Command Injection vulnerability in Rapid7 InsightConnect RPM Plugin on Linux allows authenticated attackers to execute arbitrary OS commands via the repo, key, or name parameters due to insufficient input sanitization in shell command construction.
When was CVE-2026-8663 disclosed?
CVE-2026-8663 was first published in the National Vulnerability Database on June 25, 2026, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8663 actively exploited?
CVE-2026-8663 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 46.0% of all scored CVEs.
What is the CVSS score of CVE-2026-8663?
CVE-2026-8663 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-8663?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8663, 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-2026-8663

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