CVE-2026-19263

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-08-08. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 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: 1%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 vulnerability was found in INQUIRELAB mcp-bridge-api up to b30a82aa1d1d1139e0de846c41c8aadee6e06114. The impacted element is an unknown function of the file mcp-bridge.js of the component Servers Endpoint. Performing a manipulation of the argument command/args results in command injection. It is possible to initiate the attack remotely. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. 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
1%
EPSS %ILE
69%
KEV
Not listed

Published

August 8, 2026

Last Modified

August 12, 2026

Advisory Details (3)

Auto-updated Aug 8, 2026
No patch confirmed yet.
generic

GitHub - INQUIRELAB/mcp-bridge-api: MCP Bridge is a lightweight, fast, and LLM-agnostic proxy for connecting to multiple Model Context Protocol (MCP) servers through a unified REST API. It enables secure tool execution across diverse environments like mobile, web, and edge devices. Designed for flexibility, scalability, and easy integration with any LLM backend. · GitHub

https://github.com/INQUIRELAB/mcp-bridge-api/
generic

Server Start Command Injection Vulnerability in INQUIRELAB/mcp-bridge-api · Issue #1 · INQUIRELAB/mcp-bridge-api · GitHub

https://github.com/INQUIRELAB/mcp-bridge-api/issues/1#issuecomment-4320749148
generic

Server Start Command Injection Vulnerability in INQUIRELAB/mcp-bridge-api · Issue #1 · INQUIRELAB/mcp-bridge-api · GitHub

https://github.com/INQUIRELAB/mcp-bridge-api/issues/1

Vendor Advisories for CVE-2026-19263(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 / 55× 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 08:07 UTCGHSA enrichment
  2. 2026-08-19 20:57 UTCEG score recompute
  3. 2026-08-19 20:57 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 09:41 UTCGHSA enrichment
  6. 2026-08-18 22:26 UTCEG score recompute
  7. 2026-08-18 22:25 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-18 11:15 UTCGHSA enrichment
  10. 2026-08-18 00:01 UTCEG score recompute
  11. 2026-08-18 00:01 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-17 12:50 UTCGHSA enrichment
  14. 2026-08-17 01:40 UTCEG score recompute
  15. 2026-08-17 01:40 UTCGHSA enrichment
  16. 2026-08-16 14:56 UTCEPSS rescore
  17. 2026-08-16 14:29 UTCGHSA enrichment
  18. 2026-08-16 03:18 UTCEG score recompute
  19. 2026-08-16 03:18 UTCGHSA enrichment
  20. 2026-08-16 02:14 UTCEPSS rescore
  21. 2026-08-15 16:08 UTCGHSA enrichment
  22. 2026-08-15 04:57 UTCEG score recompute
  23. 2026-08-15 04:57 UTCGHSA enrichment
  24. 2026-08-15 01:30 UTCEPSS rescore
  25. 2026-08-14 17:46 UTCGHSA enrichment
Show 30 more
  1. 2026-08-14 06:36 UTCEG score recompute
  2. 2026-08-14 06:36 UTCGHSA enrichment
  3. 2026-08-13 22:00 UTCEPSS rescore
  4. 2026-08-13 19:25 UTCGHSA enrichment
  5. 2026-08-13 08:14 UTCGHSA enrichment
  6. 2026-08-12 21:04 UTCEG score recompute
  7. 2026-08-12 21:04 UTCGHSA enrichment
  8. 2026-08-12 13:50 UTCEPSS rescore
  9. 2026-08-12 11:54 UTCGHSA enrichment
  10. 2026-08-12 00:43 UTCEG score recompute
  11. 2026-08-12 00:43 UTCGHSA enrichment
  12. 2026-08-11 13:42 UTCEPSS rescore
  13. 2026-08-11 13:33 UTCGHSA enrichment
  14. 2026-08-11 02:22 UTCEG score recompute
  15. 2026-08-11 02:22 UTCGHSA enrichment
  16. 2026-08-11 01:28 UTCEG score recompute
  17. 2026-08-11 01:28 UTCGHSA enrichment
  18. 2026-08-11 00:00 UTCEPSS rescore
  19. 2026-08-10 15:12 UTCGHSA enrichment
  20. 2026-08-10 04:02 UTCGHSA enrichment
  21. 2026-08-09 16:51 UTCEG score recompute
  22. 2026-08-09 16:51 UTCGHSA enrichment
  23. 2026-08-09 13:46 UTCEPSS rescore
  24. 2026-08-09 05:41 UTCGHSA enrichment
  25. 2026-08-08 18:31 UTCEG score recompute
  26. 2026-08-08 18:31 UTCGHSA enrichment
  27. 2026-08-08 16:37 UTCEPSS rescore
  28. 2026-08-08 07:20 UTCEG score recompute
  29. 2026-08-08 07:07 UTCEG score recompute
  30. 2026-08-08 07:07 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-19263?
CVE-2026-19263 is a high vulnerability published on August 8, 2026. A vulnerability was found in INQUIRELAB mcp-bridge-api up to b30a82aa1d1d1139e0de846c41c8aadee6e06114. The impacted element is an unknown function of the file mcp-bridge.js of the component Servers Endpoint. Performing a manipulation of the argument command/args results in command injection. It is…
When was CVE-2026-19263 disclosed?
CVE-2026-19263 was first published in the National Vulnerability Database on August 8, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19263 actively exploited?
CVE-2026-19263 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 31.1% of all scored CVEs.
What is the CVSS score of CVE-2026-19263?
CVE-2026-19263 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-19263?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19263, 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.

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