High severity · published Sep 4, 2026
CVE-2026-18486
IBM ContextForge MCP Gateway is affected by credential disclosure and privilege escalation via jq filter execution
8.8
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CM
ContextForge MCP Gateway · IBM
<= v1.0.7 · source: vendor
CO
Contextforge · Ibm
through 1.0.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18486
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18486
Patch
https://www.ibm.com/support/pages/node/7286052
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