CVE-2026-9154

HIGHNVD 6.57.1▲
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-25. NVD baseline CVSS 6.5; sources differ by 0.6.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

Arbitrary File Write vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers to write attacker-controlled content to arbitrary file paths via the expression parameter.

CVSS v3
6.5
EG Score
7.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity71% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
34%
KEV
Not listed

Published

June 25, 2026

Last Modified

June 27, 2026

Advisory Details (1)

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

Rapid7 Extensions

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

Vendor Advisories for CVE-2026-9154(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 6× in last 7d / 66× 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 212 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9154?
CVE-2026-9154 is a high vulnerability published on June 25, 2026. Arbitrary File Write vulnerability in Rapid7 InsightConnect Sed Plugin on Linux allows authenticated attackers to write attacker-controlled content to arbitrary file paths via the expression parameter.
When was CVE-2026-9154 disclosed?
CVE-2026-9154 was first published in the National Vulnerability Database on June 25, 2026, with the most recent update on June 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9154 actively exploited?
CVE-2026-9154 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 65.6% of all scored CVEs.
What is the CVSS score of CVE-2026-9154?
CVE-2026-9154 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.1.
How do I remediate CVE-2026-9154?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9154, 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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