Agent Incident RegistryAIR
v1 · updated 19 Oct 2026
Disclosed vulnerability

CVE-2026-78573: IBM ContextForge MCP Gateway ships default credentials that grant administrative access

AIR-2026-0260 AIR record · 2026-09-ibm-contextforge-default-credentials
From the supporting source
MCP Context Forge could allow a remote attacker to gain administrative access due to the use of default credentials.ibm.com
The record
Disclosed
2026-09-10
Vendor
IBM
Product
IBM ContextForge MCP Gateway
Risk domain
Access control and permissions › Privilege escalation
System type
Generative model
Who acted
AI was the target — shipped default credentials on an MCP gateway; no model action in the chain
Attack surface
MCP server
Autonomy level
Assistant
Initial vector
Default credentials
Impact type
Unauthorized administrative access
Confidence
High
Submitted by
EAI Internal
Crosswalk
OWASP Agentic Top 10 (2026)
ASI03 – Identity and Privilege Abuse
MITRE ATLAS
AML.T0055 – Unsecured Credentials
NIST AI RMF
GOVERN 6.1
EU AI Act
Article 13
ISO/IEC
TR 24028; 42001; 23894
AIUC-1
B. Security
Scope
tool misuse
Mitigation
Apply least-privilege principle; Regular policy audits.
Taxonomy
Enkrypt AI agent risk taxonomy · Black-Box Red Teaming of Agentic AI: A Taxonomy-Driven Framework for Automated Risk Discovery
Blast radius
ContextForge MCP Gateway 1.0.0 through 1.0.7
Capability abused
mcp_gateway_administration
Defense & remediation
Guardrail kinds
Unknown
Guardrail outcome
Silent
Fix shipped
v1.0.10, per IBM's security bulletin
Taxonomy & references
OWASP ASI03 Identity and Privilege AbuseCVE-2026-78573default_credentialsmcp_gatewaymissing_authentication
Curator notes
IBM's own security bulletin carries the quote. It explains that three password settings (platform admin, default user and basic-auth passwords) ship with a publicly known default value; if an operator enables basic authentication or the administrative interface without setting a password, the gateway accepts the default and only logs a startup warning. The bulletin rates it critical (CVSS 9.8) and tells operators to upgrade to v1.0.10 and set strong passwords before enabling those features. The bulletin is inconsistent about scope: its affected-versions table says v1.0.0 to v1.0.7, while its fix table says v1.0.0 to v1.0.9; the blast radius above follows the affected table, and the wider range may apply. The GitHub advisory GHSA-87q9-x2gp-qchr and the OSV record repeat the CVE description (published 2026-09-10) as '1.0.0 through 1.0.7'. No exploitation is reported. A separate ContextForge record covers the jq filter flaw; the earlier ContextForge record in the corpus (CVE-2026-53710) is a different CVE.
Cite as
Enkrypt AI. "CVE-2026-78573: IBM ContextForge MCP Gateway ships default credentials that grant administrative access". AIR, AIR-2026-0260. https://agentincident.vercel.app/i/AIR-2026-0260/ (accessed 2026-10-19).