CVE-2026-11918CWE-184

CVE-2026-11918

Medium · published September 15, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
5.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00163 · 5.2th percentile
Weakness
CWE-184 · Incomplete List of Disallowed Inputs
Published
2026-09-15T22:17Z
References (1)
https://www.ibm.com/support/pages/node/7285720 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 15 SEP 17:28Z
    IBM ContextForge MCP Gateway is affected by security filter bypass via nested payload structures
    cvelistv5