CVE-2026-90618

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-09-14. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 7.3Exploit: Elevated riskExposed: 0

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

A flaw has been found in GH05TCREW PentestAgent up to cf882dabea3ed91cef016cdd115e5426315665a2. This issue affects the function LocalRuntime.execute_command of the file runtime/runtime.py of the component LocalRuntime. Executing a manipulation can lead to os command injection. The attack may be performed from remote. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

CVSS v3
7.3
EG Score
7.3(high)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
2%
EPSS %ILE
75%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 14, 2026

Advisory Details (3)

Auto-updated Sep 14, 2026
🔬 Proof of concept available. No patch confirmed yet. Sources: github_pr.
generic

GitHub - GH05TCREW/pentestagent: PentestAgent is an AI agent framework for black-box security testing, supporting bug bounty, red-team, and penetration testing workflows. · GitHub

https://github.com/GH05TCREW/pentestagent/
github_pr

Add LocalRuntime command guard against prompt-injection RCE (issue #91)

Upstream fix in progress (PR #100 · GH05TCREW/pentestagent, state=open)

https://github.com/GH05TCREW/pentestagent/pull/100
generic🟡 PoC Available

PentestAgent — LocalRuntime Executes Unvalidated Shell Commands Without Sandbox · Issue #91 · GH05TCREW/pentestagent · GitHub

https://github.com/GH05TCREW/pentestagent/issues/91

Vendor Advisories for CVE-2026-90618(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 / 38× 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. 2026-09-21 04:56 UTCGHSA enrichment
  2. 2026-09-20 17:03 UTCGHSA enrichment
  3. 2026-09-20 05:28 UTCGHSA enrichment
  4. 2026-09-19 17:54 UTCEG score recompute
  5. 2026-09-19 17:54 UTCGHSA enrichment
  6. 2026-09-19 06:20 UTCEG score recompute
  7. 2026-09-19 06:19 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-18 18:45 UTCGHSA enrichment
  10. 2026-09-18 07:11 UTCGHSA enrichment
  11. 2026-09-17 19:36 UTCEG score recompute
  12. 2026-09-17 19:36 UTCGHSA enrichment
  13. 2026-09-17 19:32 UTCEPSS rescore
  14. 2026-09-17 08:01 UTCGHSA enrichment
  15. 2026-09-16 20:27 UTCEG score recompute
  16. 2026-09-16 20:26 UTCGHSA enrichment
  17. 2026-09-16 14:09 UTCEPSS rescore
  18. 2026-09-16 08:49 UTCEG score recompute
  19. 2026-09-16 08:49 UTCGHSA enrichment
  20. 2026-09-16 05:15 UTCEPSS rescore
  21. 2026-09-15 20:15 UTCGHSA enrichment
  22. 2026-09-15 08:40 UTCEG score recompute
  23. 2026-09-15 08:40 UTCGHSA enrichment
  24. 2026-09-15 03:12 UTCEPSS rescore
  25. 2026-09-14 21:05 UTCEG score recompute
Show 13 more
  1. 2026-09-14 21:05 UTCGHSA enrichment
  2. 2026-09-14 16:25 UTCEG score recompute
  3. 2026-09-14 16:25 UTCGHSA enrichment
  4. 2026-09-14 16:23 UTCNVD updateCVSS v4 → 5.5
  5. 2026-09-14 15:55 UTCEG score recompute
  6. 2026-09-14 15:55 UTCGHSA enrichment
  7. 2026-09-14 15:54 UTCMITRE cvelistV5CVSS v4 → 6.9
  8. 2026-09-14 14:54 UTCEG score recompute
  9. 2026-09-14 14:54 UTCGHSA enrichment
  10. 2026-09-14 03:20 UTCEG score recompute
  11. 2026-09-14 03:20 UTCNVD updateCVSS v4 → 5.5
  12. 2026-09-14 02:41 UTCEG score recompute
  13. 2026-09-14 02:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90618?
CVE-2026-90618 is a high vulnerability published on September 14, 2026. A flaw has been found in GH05TCREW PentestAgent up to cf882dabea3ed91cef016cdd115e5426315665a2. This issue affects the function LocalRuntime.execute_command of the file runtime/runtime.py of the component LocalRuntime. Executing a manipulation can lead to os command injection. The attack may be…
When was CVE-2026-90618 disclosed?
CVE-2026-90618 was first published in the National Vulnerability Database on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90618 actively exploited?
CVE-2026-90618 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 25.3% of all scored CVEs.
What is the CVSS score of CVE-2026-90618?
CVE-2026-90618 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-90618?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90618, 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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