{"affected":[{"product":"ContextForge MCP Gateway","source":"CNA: ibm","vendor":"IBM","versions":[{"lessThanOrEqual":"1.1.0","status":"affected","version":"1.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-110278","cwes":["CWE-294"],"description":"IBM ContextForge MCP Gateway 1.0.0 through 1.1.0 could allow an attacker to replay identity propagation claims signatures or expose sensitive user identity information to third-party MCP servers due to static signature payloads and missing per-gateway configuration checks during tool invocation.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.4,"severity":"high","source":"CNA: ibm","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},{"score":7.4,"severity":"high","source":"NVD: psirt@us.ibm.com","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}],"modifiedAt":1794608241000,"publishedAt":1794606189800,"references":[{"source":"CNA: ibm","tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7296489"},{"source":"psirt@us.ibm.com","tags":[],"url":"https://www.ibm.com/support/pages/node/7296489"}],"remediation":[{"kind":"fix","source":"CNA: ibm","text":"IBM strongly recommends addressing the vulnerability now.\n\nProduct(s)Version(s) number and/or range Remediation/Fix/InstructionsIBM ContextForge MCP Gateway\n\n\n\nv1.0.0-v1.1.0Upgrade to v1.1.1 immediately [ Release notes https://github.com/IBM/mcp-context-forge/releases/tag/v1.1.1 ]"},{"kind":"workaround","source":"CNA: ibm","text":"IBM strongly recommends upgrading to the fixed version.\nIf you cannot update disable identity propagation globally (set `IDENTITY_PROPAGATION_ENABLED=false`) so that no upstream MCP server receives user identity information, and restrict access to the gateway to trusted users."},{"kind":"fix","source":"CNA: ibm","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://www.ibm.com/support/pages/node/7296489"}],"revision":"6b222cc32a44e0629b2b51b775a7648093fc9fdc51d7e99c03eab0f9b2b69b24","sources":[{"modifiedAt":1794606189800,"name":"CNA: ibm","retrievedAt":1794607726990,"url":"https://www.cve.org/CVERecord?id=CVE-2026-110278"},{"modifiedAt":1794608241000,"name":"NVD","retrievedAt":1794615614524,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110278"}],"ssvc":null,"status":"published","title":"IBM ContextForge MCP Gateway is affected by an information exposure vulnerability","updatedAt":1794615614524}