CVE-2026-18486 (GCVE-0-2026-18486)
Vulnerability from cvelistv5 – Published: 2026-09-04 16:24 – Updated: 2026-09-10 15:07
VLAI
EPSS
VEX
Title
IBM ContextForge MCP Gateway is affected by credential disclosure and privilege escalation via jq filter execution
Summary
IBM ContextForge MCP Gateway <= v1.0.7 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive credentials and escalate privileges due to improper validation of jq filters.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 18:28 UTC
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.ibm.com/support/pages/node/7286052 | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| IBM | ContextForge MCP Gateway |
Affected:
<= v1.0.7
cpe:2.3:a:ibm:contextforge-mcp-gateway:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-18486",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-09T18:28:48.646615Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-10T15:07:06.035Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:ibm:contextforge-mcp-gateway:*:*:*:*:*:*:*:*"
],
"product": "ContextForge MCP Gateway",
"vendor": "IBM",
"versions": [
{
"status": "affected",
"version": "\u003c= v1.0.7"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eIBM ContextForge MCP Gateway \u0026lt;= v1.0.7 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive credentials and escalate privileges due to improper validation of jq filters.\u003c/p\u003e"
}
],
"value": "IBM ContextForge MCP Gateway \u003c= v1.0.7 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive credentials and escalate privileges due to improper validation of jq filters."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-200",
"description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-04T16:24:45.432Z",
"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
"shortName": "ibm"
},
"references": [
{
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://www.ibm.com/support/pages/node/7286052"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003e\u003cstrong\u003eIBM strongly recommends addressing the vulnerability now.\u003c/strong\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eProduct(s)\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eVersion(s) number and/or range\u00a0\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eRemediation/Fix/Instructions\u003c/strong\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM ContextForge MCP Gateway\u003c/td\u003e\u003ctd\u003e\u0026lt;=v1.0.7\u003c/td\u003e\u003ctd\u003eUpgrade to v1.0.8. See [release notes](\u003ca href=\"https://github.com/IBM/mcp-context-forge/releases/tag/v1.0.8%29\" rel=\"nofollow\"\u003ehttps://github.com/IBM/mcp-context-forge/releases/tag/v1.0.8)\u003c/a\u003e. Rotate `JWT_SECRET_KEY`, `AUTH_ENCRYPTION_SECRET`, `DATABASE_URL`, `REDIS_URL`, and `BASIC_AUTH_PASSWORD` on any deployment running prior versions.\u003cbr/\u003e\u003cbr/\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cdiv\u003e\u003cdiv\u003e\u003c/div\u003e\u003c/div\u003e\u003cp\u003e\u00a0 Note: From version v1.0.8 on a more complex AUTH_ENCRYPTION_SECRET is required:\u003cbr/\u003eAction required before upgrading: run the one-shot re-encryption script (\u003ccode\u003emcpgateway/scripts/migrate_enc_secret.py\u003c/code\u003e) with the old and new keys while the gateway is stopped. See the full rotation guide at \u003ca href=\"https://github.com/IBM/mcp-context-forge/blob/v1.0.8/docs/docs/operations/auth-encryption-secret-rotation.md\" rel=\"nofollow\"\u003e\u003ccode\u003edocs/docs/operations/auth-encryption-secret-rotation.md\u003c/code\u003e\u003c/a\u003e for step-by-step instructions, deployment-specific commands, and special cases (Helm/Kubernetes, Python package consumers, rollback).\u003c/p\u003e"
}
],
"value": "IBM strongly recommends addressing the vulnerability now.\n\nProduct(s)Version(s) number and/or range\u00a0Remediation/Fix/InstructionsIBM ContextForge MCP Gateway\u003c=v1.0.7Upgrade to v1.0.8. See [release notes]( https://github.com/IBM/mcp-context-forge/releases/tag/v1.0.8) https://github.com/IBM/mcp-context-forge/releases/tag/v1.0.8%29 . Rotate `JWT_SECRET_KEY`, `AUTH_ENCRYPTION_SECRET`, `DATABASE_URL`, `REDIS_URL`, and `BASIC_AUTH_PASSWORD` on any deployment running prior versions.\n\n\n\n\n\n\n\n\n\n\u00a0 Note: From version v1.0.8 on a more complex AUTH_ENCRYPTION_SECRET is required:\nAction required before upgrading: run the one-shot re-encryption script (mcpgateway/scripts/migrate_enc_secret.py) with the old and new keys while the gateway is stopped. See the full rotation guide at docs/docs/operations/auth-encryption-secret-rotation.md https://github.com/IBM/mcp-context-forge/blob/v1.0.8/docs/docs/operations/auth-encryption-secret-rotation.md for step-by-step instructions, deployment-specific commands, and special cases (Helm/Kubernetes, Python package consumers, rollback)."
}
],
"title": "IBM ContextForge MCP Gateway is affected by credential disclosure and privilege escalation via jq filter execution",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cdiv\u003e\u003cdiv\u003eNone. IBM strongly recommends upgrading to the fixed version and rotating server credentials.\u003c/div\u003e\u003c/div\u003e"
}
],
"value": "None. IBM strongly recommends upgrading to the fixed version and rotating server credentials."
}
]
}
},
"cveMetadata": {
"assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
"assignerShortName": "ibm",
"cveId": "CVE-2026-18486",
"datePublished": "2026-09-04T16:24:45.432Z",
"dateReserved": "2026-07-31T13:30:12.746Z",
"dateUpdated": "2026-09-10T15:07:06.035Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-18486",
"date": "2026-10-15",
"epss": "0.00325",
"percentile": "0.23906"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:ibm:contextforge-mcp-gateway:*:*:*:*:*:*:*:*"
],
"product": "ContextForge MCP Gateway",
"vendor": "IBM",
"versions": [
{
"status": "affected",
"version": "\u003c= v1.0.7"
}
]
}
],
"source": "psirt@us.ibm.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ibm:contextforge:*:*:*:*:*:python:*:*",
"matchCriteriaId": "DBE2A733-E1D9-46CC-B9C9-C6E5BB037E72",
"versionEndIncluding": "1.0.7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "IBM ContextForge MCP Gateway \u003c= v1.0.7 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive credentials and escalate privileges due to improper validation of jq filters."
}
],
"id": "CVE-2026-18486",
"lastModified": "2026-09-15T15:05:06.320",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "psirt@us.ibm.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-18486",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-09T18:28:48.646615Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-09-04T17:16:56.420",
"references": [
{
"source": "psirt@us.ibm.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://www.ibm.com/support/pages/node/7286052"
}
],
"sourceIdentifier": "psirt@us.ibm.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "psirt@us.ibm.com",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-18486",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-09T18:28:48.646615Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-09T18:28:49.692Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:ibm:contextforge-mcp-gateway:*:*:*:*:*:*:*:*"
],
"product": "ContextForge MCP Gateway",
"vendor": "IBM",
"versions": [
{
"status": "affected",
"version": "\u003c= v1.0.7"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eIBM ContextForge MCP Gateway \u0026lt;= v1.0.7 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive credentials and escalate privileges due to improper validation of jq filters.\u003c/p\u003e"
}
],
"value": "IBM ContextForge MCP Gateway \u003c= v1.0.7 MCP Context Forge could allow a remote authenticated attacker to obtain sensitive credentials and escalate privileges due to improper validation of jq filters."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-200",
"description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-04T16:24:45.432Z",
"orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
"shortName": "ibm"
},
"references": [
{
"tags": [
"vendor-advisory",
"patch"
],
"url": "https://www.ibm.com/support/pages/node/7286052"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003e\u003cstrong\u003eIBM strongly recommends addressing the vulnerability now.\u003c/strong\u003e\u003c/p\u003e\u003cdiv\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eProduct(s)\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eVersion(s) number and/or range\u00a0\u003c/strong\u003e\u003c/td\u003e\u003ctd\u003e\u003cstrong\u003eRemediation/Fix/Instructions\u003c/strong\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eIBM ContextForge MCP Gateway\u003c/td\u003e\u003ctd\u003e\u0026lt;=v1.0.7\u003c/td\u003e\u003ctd\u003eUpgrade to v1.0.8. See [release notes](\u003ca href=\"https://github.com/IBM/mcp-context-forge/releases/tag/v1.0.8%29\" rel=\"nofollow\"\u003ehttps://github.com/IBM/mcp-context-forge/releases/tag/v1.0.8)\u003c/a\u003e. Rotate `JWT_SECRET_KEY`, `AUTH_ENCRYPTION_SECRET`, `DATABASE_URL`, `REDIS_URL`, and `BASIC_AUTH_PASSWORD` on any deployment running prior versions.\u003cbr/\u003e\u003cbr/\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003c/div\u003e\u003cdiv\u003e\u003cdiv\u003e\u003c/div\u003e\u003c/div\u003e\u003cp\u003e\u00a0 Note: From version v1.0.8 on a more complex AUTH_ENCRYPTION_SECRET is required:\u003cbr/\u003eAction required before upgrading: run the one-shot re-encryption script (\u003ccode\u003emcpgateway/scripts/migrate_enc_secret.py\u003c/code\u003e) with the old and new keys while the gateway is stopped. See the full rotation guide at \u003ca href=\"https://github.com/IBM/mcp-context-forge/blob/v1.0.8/docs/docs/operations/auth-encryption-secret-rotation.md\" rel=\"nofollow\"\u003e\u003ccode\u003edocs/docs/operations/auth-encryption-secret-rotation.md\u003c/code\u003e\u003c/a\u003e for step-by-step instructions, deployment-specific commands, and special cases (Helm/Kubernetes, Python package consumers, rollback).\u003c/p\u003e"
}
],
"value": "IBM strongly recommends addressing the vulnerability now.\n\nProduct(s)Version(s) number and/or range\u00a0Remediation/Fix/InstructionsIBM ContextForge MCP Gateway\u003c=v1.0.7Upgrade to v1.0.8. See [release notes]( https://github.com/IBM/mcp-context-forge/releases/tag/v1.0.8) https://github.com/IBM/mcp-context-forge/releases/tag/v1.0.8%29 . Rotate `JWT_SECRET_KEY`, `AUTH_ENCRYPTION_SECRET`, `DATABASE_URL`, `REDIS_URL`, and `BASIC_AUTH_PASSWORD` on any deployment running prior versions.\n\n\n\n\n\n\n\n\n\n\u00a0 Note: From version v1.0.8 on a more complex AUTH_ENCRYPTION_SECRET is required:\nAction required before upgrading: run the one-shot re-encryption script (mcpgateway/scripts/migrate_enc_secret.py) with the old and new keys while the gateway is stopped. See the full rotation guide at docs/docs/operations/auth-encryption-secret-rotation.md https://github.com/IBM/mcp-context-forge/blob/v1.0.8/docs/docs/operations/auth-encryption-secret-rotation.md for step-by-step instructions, deployment-specific commands, and special cases (Helm/Kubernetes, Python package consumers, rollback)."
}
],
"title": "IBM ContextForge MCP Gateway is affected by credential disclosure and privilege escalation via jq filter execution",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cdiv\u003e\u003cdiv\u003eNone. IBM strongly recommends upgrading to the fixed version and rotating server credentials.\u003c/div\u003e\u003c/div\u003e"
}
],
"value": "None. IBM strongly recommends upgrading to the fixed version and rotating server credentials."
}
]
}
},
"cveMetadata": {
"assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
"assignerShortName": "ibm",
"cveId": "CVE-2026-18486",
"datePublished": "2026-09-04T16:24:45.432Z",
"dateReserved": "2026-07-31T13:30:12.746Z",
"dateUpdated": "2026-09-10T15:07:06.035Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.