CVE-2026-18484 json
IBM ContextForge MCP Gateway is affected by a denial-of-service via tool name collision through slug normalization
published 3d ago modified yesterday also EUVD-2026-119701
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2026-18484 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2d ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- IBM ContextForge MCP Gateway
Classification
- Weakness
-
- CWE-706 Use of Incorrectly-Resolved Name or Reference
References
-
ibm.com
/support/pages/node/7294233
vendor-advisory, patch
Sources
- CVE List CVE-2026-18484
- NVD CVE-2026-18484
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