CVE-2026-38924

LOWPre-NVD 2.92.9—
EchelonGraph scoreHIGH confidence

Score 2.9 from GitHub Security Advisory (severity: LOW) published 2026-09-14. a secondary CVSS source baseline 2.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
2.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 2.9Exploit: Elevated riskExposed: 0

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

In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a sandboxed environment for running Serena."

CVSS v3
2.9
EG Score
2.9(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity29% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 14, 2026

References (6)

Vendor Advisories for CVE-2026-38924(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 15× in last 7d / 15× 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. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-17 20:31 UTCEG score recompute
  4. 2026-09-17 20:31 UTCGHSA enrichment
  5. 2026-09-17 19:30 UTCEPSS rescore
  6. 2026-09-16 14:08 UTCEPSS rescore
  7. 2026-09-15 03:11 UTCEPSS rescore
  8. 2026-09-14 17:27 UTCEG score recompute
  9. 2026-09-14 17:27 UTCGHSA enrichment
  10. 2026-09-14 16:45 UTCEG score recompute
  11. 2026-09-14 16:45 UTCGHSA enrichment
  12. 2026-09-14 03:20 UTCEG score recompute▲ 2.90
  13. 2026-09-14 03:20 UTCNVD updateCVSS v3 → 2.9 · severity → LOW
  14. 2026-09-14 02:55 UTCEG score recompute
  15. 2026-09-14 02:54 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-38924?
CVE-2026-38924 is a low vulnerability published on September 14, 2026. In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a…
When was CVE-2026-38924 disclosed?
CVE-2026-38924 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-2026-38924 actively exploited?
CVE-2026-38924 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 98.0% of all scored CVEs.
What is the CVSS score of CVE-2026-38924?
CVE-2026-38924 has a CVSS v3 base score of 2.9 (NVD).
How do I remediate CVE-2026-38924?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-38924, 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-2026-38924

Explore →

Is Your Infrastructure Affected by CVE-2026-38924?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs