Paper/Archive/CVE-2026-77822

CVE-2026-77822

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

EPSS 0.4%CVSS 9.6

critical.is priorityof 100

CVSS 9.6 (NVD)9.6 / 10 × 3028.8 Not in CISA KEV+300.0 EPSS percentile 31.0.310 × 206.2 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

Affected

ProductAffectedFixed inSource

ContextForge MCP Gateway<= v1.0.8–CNA

Scores by source

NVD9.6CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

ibm (CNA)8.2CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchibm.com/support/pages/node/7286055