CVE-2026-37751

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-28. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

An OS command injection vulnerability in the killSessionSync function (lib/agent-runtime.ts) of 23blocks-OS ai-maestro v0.24.17 allows attackers to execute arbitrary commands via a crafted input.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
75(Attend)
EG Risk 75/100SSVC: 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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
2%
EPSS %ILE
74%
KEV
Not listed

Published

August 28, 2026

Last Modified

August 28, 2026

Advisory Details (2)

Auto-updated Aug 28, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit.
generic🟡 PoC Available

CVE-research/ai-maestro-rce-advisory at main · rajukani100/CVE-research · GitHub

https://github.com/rajukani100/CVE-research/tree/main/ai-maestro-rce-advisory
github_commit Patch Available

commit 06d54f0687ad (23blocks-OS/ai-maestro)

Patch available: 23blocks-OS/ai-maestro v0.25.16 (contains commit 06d54f0687ad)

https://github.com/23blocks-OS/ai-maestro/commit/06d54f0687ad1fc5898a688a92f7e1f2df56c475

Vendor Advisories for CVE-2026-37751(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 19× in last 7d / 19× 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. 2026-08-30 05:16 UTCGHSA enrichment
  2. 2026-08-30 01:28 UTCEG score recompute
  3. 2026-08-30 01:28 UTCGHSA enrichment
  4. 2026-08-30 01:22 UTCEPSS rescore
  5. 2026-08-29 21:40 UTCGHSA enrichment
  6. 2026-08-29 17:52 UTCGHSA enrichment
  7. 2026-08-29 14:05 UTCGHSA enrichment
  8. 2026-08-29 10:13 UTCGHSA enrichment
  9. 2026-08-29 06:25 UTCGHSA enrichment
  10. 2026-08-29 02:38 UTCEG score recompute
  11. 2026-08-29 02:37 UTCGHSA enrichment
  12. 2026-08-28 22:48 UTCEG score recompute
  13. 2026-08-28 22:48 UTCGHSA enrichment
  14. 2026-08-28 22:03 UTCEG score recompute▲ 9.80
  15. 2026-08-28 22:03 UTCGHSA enrichment
  16. 2026-08-28 21:59 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  17. 2026-08-28 16:29 UTCNVD update
  18. 2026-08-28 15:31 UTCEG score recompute
  19. 2026-08-28 15:25 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-37751?
CVE-2026-37751 is a critical vulnerability published on August 28, 2026. An OS command injection vulnerability in the killSessionSync function (lib/agent-runtime.ts) of 23blocks-OS ai-maestro v0.24.17 allows attackers to execute arbitrary commands via a crafted input.
When was CVE-2026-37751 disclosed?
CVE-2026-37751 was first published in the National Vulnerability Database on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-37751 actively exploited?
CVE-2026-37751 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 26.3% of all scored CVEs.
What is the CVSS score of CVE-2026-37751?
CVE-2026-37751 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-37751?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-37751, 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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