CVE-2026-18484
IBM ContextForge MCP Gateway is affected by a denial-of-service via tool name collision through slug normalization
IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow a remote authenticated attacker to cause a denial of service due to improper slug normalization causing tool name collisions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM ContextForge MCP Gateway is affected by a denial-of-service via tool name collision through slug normalization
IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow a remote authenticated attacker to cause a denial of service due to improper slug normalization causing tool name collisions.
- Record
CVE-2026-18484- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-706
- Updated
- 2026-11-08
EUVDEUVD-2026-119701
IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow a remote authenticated attacker to cause a denial of service due to improper slug normalization causing tool name collisions.
- Record
EUVD-2026-119701- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-08
GitHub AdvisoriesGHSA-2hgv-xvmf-mw3c
IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow a remote authenticated attacker to...
IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow a remote authenticated attacker to cause a denial of service due to improper slug normalization causing tool name collisions.
- Record
GHSA-2hgv-xvmf-mw3c- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-706
- Updated
- 2026-11-08
NVD
IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow a remote authenticated attacker to cause a denial of service due to improper slug normalization causing tool name collisions.
- Record
CVE-2026-18484- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-706
- Updated
- 2026-11-10
OSV
IBM ContextForge MCP Gateway 1.0.0 through 1.0.11 could allow a remote authenticated attacker to cause a denial of service due to improper slug normalization causing tool name collisions.
- Record
CVE-2026-18484- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-12
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| references | OSV | |
| products, references | NVD | |
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, published | EUVD | |
| aliases, references | GitHub Advisories | |
| first indexed | CVE List |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-18484 is a medium vulnerability (CVSS 6.5) in Ibm Contextforge, published November 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 43rd percentile. No source names a fixed version.