CVE-2026-19978

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-08-17. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 5.3Exploit: None knownExposed: 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 jiantao88 android-mcp-server up to cfb872b2446794193b58edd63f4dbf6af48a6292. The impacted element is the function child_process.exec of the file build/index.js of the component Command Execution. Executing a manipulation of the argument deviceId/packageName/permission/extras[].key/extras[].value can lead to os command injection. It is possible to launch the attack on the local host. The exploit has been published and may be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. This patch is called 14e2bf27c88ba137e35cbb0c2a75f72b595bb98a. It is advisable to implement a patch to correct this issue.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity53% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
50%
KEV
Not listed

Published

August 17, 2026

Last Modified

August 20, 2026

Advisory Details (3)

Auto-updated Aug 17, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

GitHub - jiantao88/android-mcp-server: Android MCP Server implementation · GitHub

https://github.com/jiantao88/android-mcp-server/
github_commit

commit 14e2bf27c88b (jiantao88/android-mcp-server)

Fix landed in jiantao88/android-mcp-server commit 14e2bf27c88b — awaiting tagged release

https://github.com/jiantao88/android-mcp-server/commit/14e2bf27c88ba137e35cbb0c2a75f72b595bb98a
generic

Critical OS Command Injection via Unsanitized ADB Tool Arguments · Issue #1 · jiantao88/android-mcp-server · GitHub

https://github.com/jiantao88/android-mcp-server/issues/1

Vendor Advisories for CVE-2026-19978(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 20× in last 7d / 20× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 13:00 UTCGHSA enrichment
  3. 2026-08-20 11:08 UTCEG score recompute
  4. 2026-08-20 11:08 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-19 13:04 UTCGHSA enrichment
  7. 2026-08-18 14:56 UTCEG score recompute
  8. 2026-08-18 14:56 UTCGHSA enrichment
  9. 2026-08-18 13:48 UTCEPSS rescore
  10. 2026-08-17 16:23 UTCEG score recompute
  11. 2026-08-17 16:23 UTCGHSA enrichment
  12. 2026-08-17 16:22 UTCNVD updateCVSS v4 → 1.9
  13. 2026-08-17 16:10 UTCEG score recompute
  14. 2026-08-17 16:10 UTCGHSA enrichment
  15. 2026-08-17 16:09 UTCMITRE cvelistV5CVSS v4 → 4.8
  16. 2026-08-17 13:47 UTCEPSS rescore
  17. 2026-08-17 04:29 UTCEG score recompute
  18. 2026-08-17 04:28 UTCNVD updateCVSS v4 → 1.9
  19. 2026-08-17 03:35 UTCEG score recompute
  20. 2026-08-17 03:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19978?
CVE-2026-19978 is a medium vulnerability published on August 17, 2026. A flaw has been found in jiantao88 android-mcp-server up to cfb872b2446794193b58edd63f4dbf6af48a6292. The impacted element is the function child_process.exec of the file build/index.js of the component Command Execution. Executing a manipulation of the argument…
When was CVE-2026-19978 disclosed?
CVE-2026-19978 was first published in the National Vulnerability Database on August 17, 2026, with the most recent update on August 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19978 actively exploited?
CVE-2026-19978 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 49.9% of all scored CVEs.
What is the CVSS score of CVE-2026-19978?
CVE-2026-19978 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-19978?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19978, 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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