Vulnerability · Published Sep 4, 2026 · Assigned by ibm
CVE-2026-18486IBM ContextForge MCP Gateway is affected by credential disclosure and privilege escalation via jq filter execution
High 8.8
In plain English
A high-severity information exposure in ContextForge MCP Gateway from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 51.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM ContextForge MCP Gateway <= v1.0.7 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive credentials and escalate privileges due to improper validation of jq filters.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | ContextForge MCP Gateway | <= v1.0.7 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7286052 vendor-advisory, patch