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:*:*:*:*:*:*:*:* |
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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).\", \"supportingMedia\": [{\"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\", \"base64\": false}]}], \"references\": [{\"url\": \"https://www.ibm.com/support/pages/node/7286052\", \"tags\": [\"vendor-advisory\", \"patch\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"None. IBM strongly recommends upgrading to the fixed version and rotating server credentials.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cdiv\u003e\u003cdiv\u003eNone. 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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.
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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.
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.
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