EUVD-2026-71604
GHSA-x9rc-p36x-296j
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
AV:N and PR:N for network-accessible unauthenticated gateway; AC:H for required concurrent-session timing condition; C:H/I:H for bidirectional session data exposure and injection; A:N as no availability impact is described.
Primary rating from Vendor (ibm).
CVSS VectorVendor: ibm
Lifecycle Timeline
2DescriptionCVE.org
IBM ContextForge MCP Gateway - Translate utility <= 1.0.8 MCP Context Forge could allow a remote attacker to obtain sensitive information from other sessions due to exposure of data elements to the wrong session.
AnalysisAI
Session isolation failure in IBM ContextForge MCP Gateway - Translate Utility (≤ 1.0.8) permits unauthenticated remote attackers to access session data belonging to other users and potentially inject content into those sessions, due to improper enforcement of session boundaries (CWE-488). The CVSS AC:H metric indicates exploitation depends on specific timing or concurrency conditions - likely a race condition or shared mutable state in multi-tenant request handling - rather than a trivially triggerable flaw. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to be able to reach the IBM ContextForge MCP Gateway Translate utility over the network (AV:N), and a concurrent or near-concurrent legitimate user session must be in flight on the same gateway instance at the time of the attack - this is the condition implied by AC:H (high attack complexity). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | IBM assigned CVSS 7.4 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the vendor-released patch documented in IBM Security Advisory https://www.ibm.com/support/pages/node/7286056. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all systems running IBM ContextForge MCP Gateway Translate Utility versions 1.0.8 or earlier and evaluate network exposure; immediately restrict access to trusted networks until patching is complete. …
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Same weakness CWE-488 – Exposure of Data Element to Wrong Session
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External POC / Exploit Code
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