IBM ContextForge MCP Gateway is affected by server-side request forgery via DNS TOCTOU at tool invocation
Priority LOW 34CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
Summary
IBM ContextForge MCP Gateway (`mcp-contextforge-gateway`) <= v1.0.6 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive information due to a DNS rebinding vulnerability during tool invocation.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00465 40th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-18905
- 2026-10-03 Alias added: GHSA-p4cr-j9h3-9c8p
References
More IBM Contextforge vulnerabilities
- TI-2026-54626 IBM ContextForge MCP Gateway is affected by use of default credentials CVSS 3.1CRITICAL 9.8
- TI-2026-54197 Server-side request forgery in IBM ContextForge MCP Gateway CVSS 3.1CRITICAL 9.6
- TI-2026-15182 IBM ContextForge MCP Gateway is affected by credential disclosure and privilege escalation via jq filter execution CVSS 3.1HIGH 8.8
- TI-2026-15185 IBM ContextForge Translate is affected by cross-client credential context confusion CVSS 3.1HIGH 7.4
- TI-2026-76643 Server-side request forgery in IBM ContextForge MCP Gateway CVSS 3.1MEDIUM 5.4
- TI-2026-54200 IBM ContextForge MCP Gateway is affected by path traversal CVSS 3.1MEDIUM 4.9
Sources
- CVE-2026-18905 · CVE Program
- CVE-2026-18905 · NVD
- FIRST EPSS
- GHSA-p4cr-j9h3-9c8p · GitHub Advisory Database · CC BY 4.0
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