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IBM ContextForge MCP Gateway is affected by security filter bypass via nested payload structures

CVSS 3.1 5.4 MEDIUMCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-11918

Published

IBM ContextForge MCP Gateway <= v1.0.4 IBM mcp-context-forge could allow an authenticated user to bypass protection mechanisms due to incomplete recursive inspection of nested payload content.

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-11918

Published

IBM ContextForge MCP Gateway is affected by security filter bypass via nested payload structures

IBM ContextForge MCP Gateway <= v1.0.4 IBM mcp-context-forge could allow an authenticated user to bypass protection mechanisms due to incomplete recursive inspection of nested payload content.

Source published
15 Sep 2026 17:28:57 UTC
Source modified
20 Sep 2026 00:45:43 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

ChangeIntel

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Sources read 13 Nov 01:58 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current