CVE-2026-9154

MEDIUMNVD 6.57.1▲
EchelonGraph scoreHIGH 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
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 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(high)
EPSS
19.4%
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 33× in last 7d / 61× 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. 2026-07-06 18:18 UTCEG score recompute
  2. 2026-07-06 18:17 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 05:56 UTCEG score recompute
  5. 2026-07-06 05:56 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 17:40 UTCEG score recompute
  8. 2026-07-05 17:40 UTCGHSA enrichment
  9. 2026-07-05 05:31 UTCEG score recompute
  10. 2026-07-05 05:31 UTCGHSA enrichment
  11. 2026-07-05 02:31 UTCEPSS rescore
  12. 2026-07-04 17:21 UTCEG score recompute
  13. 2026-07-04 17:21 UTCGHSA enrichment
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-04 05:12 UTCEG score recompute
  17. 2026-07-04 05:12 UTCGHSA enrichment
  18. 2026-07-03 17:03 UTCEG score recompute
  19. 2026-07-03 17:03 UTCGHSA enrichment
  20. 2026-07-03 04:53 UTCEG score recompute
  21. 2026-07-03 04:53 UTCGHSA enrichment
  22. 2026-07-02 16:40 UTCEG score recompute
  23. 2026-07-02 16:40 UTCGHSA enrichment
  24. 2026-07-02 04:31 UTCEG score recompute
  25. 2026-07-02 04:31 UTCGHSA enrichment
Show 36 more
  1. 2026-07-01 16:22 UTCEG score recompute
  2. 2026-07-01 16:22 UTCGHSA enrichment
  3. 2026-07-01 15:07 UTCEPSS rescore
  4. 2026-07-01 04:12 UTCEG score recompute
  5. 2026-07-01 04:12 UTCGHSA enrichment
  6. 2026-06-30 23:22 UTCEPSS rescore
  7. 2026-06-30 16:02 UTCEG score recompute
  8. 2026-06-30 16:02 UTCGHSA enrichment
  9. 2026-06-30 03:52 UTCEG score recompute
  10. 2026-06-30 03:52 UTCGHSA enrichment
  11. 2026-06-29 15:43 UTCEG score recompute
  12. 2026-06-29 15:43 UTCGHSA enrichment
  13. 2026-06-29 14:06 UTCEPSS rescore
  14. 2026-06-29 03:33 UTCEG score recompute
  15. 2026-06-29 03:33 UTCGHSA enrichment
  16. 2026-06-28 15:22 UTCEG score recompute
  17. 2026-06-28 15:22 UTCGHSA enrichment
  18. 2026-06-28 14:07 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-28 03:13 UTCEG score recompute
  21. 2026-06-28 03:13 UTCGHSA enrichment
  22. 2026-06-27 19:41 UTCNVD updateCVSS v3 → 6.5 · severity → MEDIUM
  23. 2026-06-27 15:04 UTCEG score recompute
  24. 2026-06-27 15:04 UTCGHSA enrichment
  25. 2026-06-27 03:08 UTCEPSS rescore
  26. 2026-06-27 02:54 UTCEG score recompute
  27. 2026-06-27 02:54 UTCGHSA enrichment
  28. 2026-06-26 14:46 UTCEG score recompute
  29. 2026-06-26 14:46 UTCGHSA enrichment
  30. 2026-06-26 02:25 UTCEG score recompute
  31. 2026-06-26 02:25 UTCGHSA enrichment
  32. 2026-06-25 14:16 UTCEG score recompute
  33. 2026-06-25 14:16 UTCGHSA enrichment
  34. 2026-06-25 13:50 UTCEPSS rescore
  35. 2026-06-25 02:07 UTCEG score recompute
  36. 2026-06-25 02:04 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9154?
CVE-2026-9154 is a medium 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 19.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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

Explore the affected products and dependency analysis for CVE-2026-9154

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