What’s Vulnerable › Vulnerabilities

CVE-2026-77822: IBM ContextForge MCP Gateway is affected by server-side request forgery (DNS rebinding) via the A2A agent invocation endpoint

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-04 · updated 2026-09-15
• Weakness: CWE-918

Description

IBM ContextForge MCP Gateway could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery via DNS rebinding.

Affected products

• IBM ContextForge MCP Gateway: through 1.0.8

References

• https://www.ibm.com/support/pages/node/7286055

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