CVE-2026-90619

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 — 5 sources updated this week
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.3Exploit: None knownExposed: 0

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

A vulnerability has been found in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. Impacted is an unknown function of the file hexstrike_server.py of the component Execute Endpoint. The manipulation of the argument code/script leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
7.3
EG Score
7.3(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
Severity73% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
71%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 16, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

HexStrike AI — Unauthenticated Arbitrary Python Code Execution via `/api/python/execute` · Issue #222 · 0x4m4/hexstrike-ai · GitHub

https://github.com/0x4m4/hexstrike-ai/issues/222

Vendor Advisories for CVE-2026-90619(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 32× 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 10:28 UTCGHSA enrichment
  2. 2026-09-20 22:59 UTCEG score recompute
  3. 2026-09-20 22:59 UTCGHSA enrichment
  4. 2026-09-20 20:16 UTCEPSS rescore
  5. 2026-09-20 11:27 UTCGHSA enrichment
  6. 2026-09-19 23:55 UTCEG score recompute
  7. 2026-09-19 23:55 UTCGHSA enrichment
  8. 2026-09-19 12:26 UTCGHSA enrichment
  9. 2026-09-19 00:57 UTCEG score recompute
  10. 2026-09-19 00:57 UTCGHSA enrichment
  11. 2026-09-18 19:28 UTCEPSS rescore
  12. 2026-09-18 13:28 UTCGHSA enrichment
  13. 2026-09-18 01:59 UTCEG score recompute
  14. 2026-09-18 01:59 UTCGHSA enrichment
  15. 2026-09-17 19:32 UTCEPSS rescore
  16. 2026-09-17 14:30 UTCGHSA enrichment
  17. 2026-09-17 02:58 UTCGHSA enrichment
  18. 2026-09-16 15:29 UTCEG score recompute
  19. 2026-09-16 15:29 UTCGHSA enrichment
  20. 2026-09-16 15:19 UTCNVD updateCVSS v4 → 5.5
  21. 2026-09-16 14:52 UTCEG score recompute
  22. 2026-09-16 14:52 UTCGHSA enrichment
  23. 2026-09-16 14:45 UTCMITRE cvelistV5CVSS v4 → 6.9
  24. 2026-09-16 14:09 UTCEPSS rescore
  25. 2026-09-16 07:35 UTCEG score recompute
Show 13 more
  1. 2026-09-16 07:35 UTCGHSA enrichment
  2. 2026-09-16 05:15 UTCEPSS rescore
  3. 2026-09-15 20:04 UTCGHSA enrichment
  4. 2026-09-15 08:34 UTCEG score recompute
  5. 2026-09-15 08:34 UTCGHSA enrichment
  6. 2026-09-15 03:12 UTCEPSS rescore
  7. 2026-09-14 21:05 UTCGHSA enrichment
  8. 2026-09-14 14:49 UTCEG score recompute
  9. 2026-09-14 14:49 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 02:55 UTCEG score recompute
  13. 2026-09-14 02:54 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-90619?
CVE-2026-90619 is a high vulnerability published on September 14, 2026. A vulnerability has been found in 0x4m4 HexStrike AI up to d689933ff579d839c676c82b231f8e98326c5f04. Impacted is an unknown function of the file hexstrike_server.py of the component Execute Endpoint. The manipulation of the argument code/script leads to os command injection. It is possible to…
When was CVE-2026-90619 disclosed?
CVE-2026-90619 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-90619 actively exploited?
CVE-2026-90619 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 29.5% of all scored CVEs.
What is the CVSS score of CVE-2026-90619?
CVE-2026-90619 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-90619?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-90619, 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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