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PatchSiren cyber security CVE debrief

CVE-2026-18489 IBM CVE debrief

IBM ContextForge MCP Gateway - Translate utility versions up to 1.0.8 could allow a remote attacker to obtain sensitive information from other sessions due to exposure of data elements to the wrong session. This issue has a CVSS score of 7.4 and is considered HIGH severity. The CVE record was published on 2026-09-04T17:16:56.550Z and was last modified on 2026-09-15T15:04:09.813Z.

Vendor
IBM
Product
ContextForge MCP Gateway - Translate utility
CVSS
HIGH 7.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-04
Original CVE updated
2026-09-15
Advisory published
2026-09-04
Advisory updated
2026-09-15

Who should care

Defenders responsible for IBM ContextForge MCP Gateway - Translate utility deployments should assess the exposure of sensitive information and prioritize verifying the version in use and implementing compensating controls or upgrades as necessary.

Why it matters

Defenders should prioritize verifying the exposure of sensitive information in IBM ContextForge MCP Gateway - Translate utility versions up to 1.0.8 and assess the need for an upgrade to a fixed version.

  • Obtain sensitive information from other sessions
  • Exposure of data elements to the wrong session

Technical summary

IBM ContextForge MCP Gateway - Translate utility versions up to 1.0.8 could allow a remote attacker to obtain sensitive information from other sessions due to exposure of data elements to the wrong session. The vulnerability has a CVSS score of 7.4 and is considered HIGH severity.

Defensive priority

Defenders should prioritize verifying the exposure of sensitive information in IBM ContextForge MCP Gateway - Translate utility versions up to 1.0.8 and assess the need for an upgrade to a fixed version.

Recommended defensive actions

  • Verify the version of IBM ContextForge MCP Gateway - Translate utility in use and compare it to the affected version (1.0.8 or earlier).
  • Assess the exposure of sensitive information in the current deployment and consider upgrading to a fixed version if necessary.
  • Review and implement compensating controls to mitigate the vulnerability until a fix can be applied.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score and affected versions. IBM has provided a vendor advisory for this issue.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-18489 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-18489

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-18489 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-18489

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.