CVE-2026-19268

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-08-08. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 6.3Exploit: Elevated riskExposed: 0

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

A vulnerability was identified in abdullah1854 MCPGateway up to 549f494a9e363f40530149de324b8097de424230. This impacts the function getUsageByDateRange of the file src/services/claude-usage.ts of the component Claude Usage Range Endpoint. The manipulation of the argument since leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of 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
6.3
EG Score
6.3(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
62%
KEV
Not listed

Published

August 8, 2026

Last Modified

August 12, 2026

Advisory Details (2)

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

GET /api/claude-usage/range allows command injection through since/until parameters · Issue #2 · abdullah1854/MCPGateway · GitHub

https://github.com/abdullah1854/MCPGateway/issues/2
generic

GitHub - abdullah1854/MCPGateway: Open-source MCP server — progressive tool discovery, code execution, intelligent routing & token optimization across 50+ tools · GitHub

https://github.com/abdullah1854/MCPGateway/

Vendor Advisories for CVE-2026-19268(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 / 46× 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 19:08 UTCGHSA enrichment
  3. 2026-08-19 19:23 UTCEG score recompute
  4. 2026-08-19 19:23 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-18 19:37 UTCEG score recompute
  7. 2026-08-18 19:37 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 19:51 UTCEG score recompute
  10. 2026-08-17 19:51 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-16 20:06 UTCEG score recompute
  13. 2026-08-16 20:06 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-15 20:21 UTCEG score recompute
  17. 2026-08-15 20:21 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 20:35 UTCEG score recompute
  20. 2026-08-14 20:35 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-13 20:49 UTCGHSA enrichment
  23. 2026-08-12 21:04 UTCGHSA enrichment
  24. 2026-08-12 14:02 UTCEG score recompute
  25. 2026-08-12 14:02 UTCGHSA enrichment
Show 21 more
  1. 2026-08-12 13:50 UTCEPSS rescore
  2. 2026-08-11 14:15 UTCEG score recompute
  3. 2026-08-11 14:15 UTCGHSA enrichment
  4. 2026-08-11 13:42 UTCEPSS rescore
  5. 2026-08-11 00:00 UTCEPSS rescore
  6. 2026-08-10 14:30 UTCEG score recompute
  7. 2026-08-10 14:30 UTCGHSA enrichment
  8. 2026-08-10 14:28 UTCNVD updateCVSS v4 → 2.1
  9. 2026-08-10 13:36 UTCEG score recompute
  10. 2026-08-10 13:36 UTCGHSA enrichment
  11. 2026-08-10 13:36 UTCMITRE cvelistV5CVSS v4 → 5.3
  12. 2026-08-10 07:51 UTCEG score recompute
  13. 2026-08-10 07:51 UTCGHSA enrichment
  14. 2026-08-09 13:46 UTCEPSS rescore
  15. 2026-08-09 08:06 UTCEG score recompute
  16. 2026-08-09 08:06 UTCGHSA enrichment
  17. 2026-08-08 16:37 UTCEPSS rescore
  18. 2026-08-08 08:21 UTCEG score recompute
  19. 2026-08-08 08:20 UTCNVD updateCVSS v4 → 2.1
  20. 2026-08-08 07:52 UTCEG score recompute
  21. 2026-08-08 07:52 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-19268?
CVE-2026-19268 is a medium vulnerability published on August 8, 2026. A vulnerability was identified in abdullah1854 MCPGateway up to 549f494a9e363f40530149de324b8097de424230. This impacts the function getUsageByDateRange of the file src/services/claude-usage.ts of the component Claude Usage Range Endpoint. The manipulation of the argument since leads to command…
When was CVE-2026-19268 disclosed?
CVE-2026-19268 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-2026-19268 actively exploited?
CVE-2026-19268 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 37.8% of all scored CVEs.
What is the CVSS score of CVE-2026-19268?
CVE-2026-19268 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-19268?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19268, 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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