{"items":[{"id":"NVI-00015073","kind":"vulnerability","title":"Contentful MCP Server: export_space/import_space tools pass LLM-controlled `host`/`proxy` args to CMA client, redirecting server PAT to attacker-controlled endpoint","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-2xhg-73j7-rrgx","CVE-2026-53957"],"plain_summary":"GitHub lists this reviewed advisory for @contentful/mcp-server, @contentful/mcp-tools. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-209d0dedafc33b28181ad90d49db1183"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-19T19:17:01.000Z","value":"7.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"},{"kind":"CVSS","as_of":"2026-09-30T17:51:56.193Z","value":"7.7 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-294fbd9ac162da0a9b8e4448a98ae801"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.415%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.35868. Missing scores are unknown.","source_id":"sr-209d0dedafc33b28181ad90d49db1183"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-18a7634ed7f8f78efa3a2ca2e6e57f8f","url":"https://github.com/advisories/GHSA-2xhg-73j7-rrgx","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2xhg-73j7-rrgx","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:14:33.912Z"},{"id":"sr-294fbd9ac162da0a9b8e4448a98ae801","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53957","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-53957","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T01:48:05.462Z"},{"id":"sr-209d0dedafc33b28181ad90d49db1183","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-53957","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.787Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"],"technology":"@contentful/mcp-server","known_exclusions":[],"conditions_summary":"### Summary\n\n`export_space` and `import_space` tools in `@contentful/mcp-tools` accept LLM-controlled `host` and `proxy` parameters that are spread directly into the options object passed to `contentful-export` / `contentful-import`. These libraries pass the merged options — including the attacker-controlled `host` — to the Contentful Management API (CMA) SDK, which builds `baseURL` from `host` and attaches the server's CMA Personal Access Token as `Authorization: Bearer ` on every outgoing request. An attacker who can invoke MCP tools, or inject instructions into Contentful content the LLM reads, can redirect all CMA requests — and the PAT — to an attacker-controlled endpoint.\n\n---\n\n### Details\n\n**Root cause — `exportSpace.ts` lines 126–141** (identical pattern in `importSpace.ts` lines 103–119):\n\n```typescript\n// packages/mcp-tools/src/tools/jobs/space-to-space-migration/exportSpace.ts\n\nconst clientConfig    = createClientConfig(config);  // only extracts accessToken; discards config.host\nconst managementToken = clientConfig.accessToken;    // server's CMA PAT\n\nconst exportOptions = {\n  ...args,          // ← LLM-controlled tool call args: args.host enters here, unfiltered\n ","public_affected_ranges":["< 1.7.19"]},{"certainty":"source_listed","source_ids":["sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"],"technology":"@contentful/mcp-tools","known_exclusions":[],"conditions_summary":"### Summary\n\n`export_space` and `import_space` tools in `@contentful/mcp-tools` accept LLM-controlled `host` and `proxy` parameters that are spread directly into the options object passed to `contentful-export` / `contentful-import`. These libraries pass the merged options — including the attacker-controlled `host` — to the Contentful Management API (CMA) SDK, which builds `baseURL` from `host` and attaches the server's CMA Personal Access Token as `Authorization: Bearer ` on every outgoing request. An attacker who can invoke MCP tools, or inject instructions into Contentful content the LLM reads, can redirect all CMA requests — and the PAT — to an attacker-controlled endpoint.\n\n---\n\n### Details\n\n**Root cause — `exportSpace.ts` lines 126–141** (identical pattern in `importSpace.ts` lines 103–119):\n\n```typescript\n// packages/mcp-tools/src/tools/jobs/space-to-space-migration/exportSpace.ts\n\nconst clientConfig    = createClientConfig(config);  // only extracts accessToken; discards config.host\nconst managementToken = clientConfig.accessToken;    // server's CMA PAT\n\nconst exportOptions = {\n  ...args,          // ← LLM-controlled tool call args: args.host enters here, unfiltered\n ","public_affected_ranges":["< 0.4.5"]}],"null_published_at":"2026-11-08T19:53:44.043Z","source_updated_at":"2026-08-19T19:17:01.000Z","source_disclosed_at":"2026-08-19T19:17:00.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T20:14:33.912Z"},{"id":"NVI-00015073","kind":"vulnerability","title":"Contentful MCP Server: export_space/import_space tools pass LLM-controlled `host`/`proxy` args to CMA client, redirecting server PAT to attacker-controlled endpoint","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2xhg-73j7-rrgx","CVE-2026-53957"],"plain_summary":"GitHub lists this reviewed advisory for @contentful/mcp-server, @contentful/mcp-tools. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-209d0dedafc33b28181ad90d49db1183"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-19T19:17:01.000Z","value":"7.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.415%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.35868. Missing scores are unknown.","source_id":"sr-209d0dedafc33b28181ad90d49db1183"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-18a7634ed7f8f78efa3a2ca2e6e57f8f","url":"https://github.com/advisories/GHSA-2xhg-73j7-rrgx","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2xhg-73j7-rrgx","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:14:33.912Z"},{"id":"sr-209d0dedafc33b28181ad90d49db1183","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-53957","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.787Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"],"technology":"@contentful/mcp-server","known_exclusions":[],"conditions_summary":"### Summary\n\n`export_space` and `import_space` tools in `@contentful/mcp-tools` accept LLM-controlled `host` and `proxy` parameters that are spread directly into the options object passed to `contentful-export` / `contentful-import`. These libraries pass the merged options — including the attacker-controlled `host` — to the Contentful Management API (CMA) SDK, which builds `baseURL` from `host` and attaches the server's CMA Personal Access Token as `Authorization: Bearer ` on every outgoing request. An attacker who can invoke MCP tools, or inject instructions into Contentful content the LLM reads, can redirect all CMA requests — and the PAT — to an attacker-controlled endpoint.\n\n---\n\n### Details\n\n**Root cause — `exportSpace.ts` lines 126–141** (identical pattern in `importSpace.ts` lines 103–119):\n\n```typescript\n// packages/mcp-tools/src/tools/jobs/space-to-space-migration/exportSpace.ts\n\nconst clientConfig    = createClientConfig(config);  // only extracts accessToken; discards config.host\nconst managementToken = clientConfig.accessToken;    // server's CMA PAT\n\nconst exportOptions = {\n  ...args,          // ← LLM-controlled tool call args: args.host enters here, unfiltered\n ","public_affected_ranges":["< 1.7.19"]},{"certainty":"source_listed","source_ids":["sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"],"technology":"@contentful/mcp-tools","known_exclusions":[],"conditions_summary":"### Summary\n\n`export_space` and `import_space` tools in `@contentful/mcp-tools` accept LLM-controlled `host` and `proxy` parameters that are spread directly into the options object passed to `contentful-export` / `contentful-import`. These libraries pass the merged options — including the attacker-controlled `host` — to the Contentful Management API (CMA) SDK, which builds `baseURL` from `host` and attaches the server's CMA Personal Access Token as `Authorization: Bearer ` on every outgoing request. An attacker who can invoke MCP tools, or inject instructions into Contentful content the LLM reads, can redirect all CMA requests — and the PAT — to an attacker-controlled endpoint.\n\n---\n\n### Details\n\n**Root cause — `exportSpace.ts` lines 126–141** (identical pattern in `importSpace.ts` lines 103–119):\n\n```typescript\n// packages/mcp-tools/src/tools/jobs/space-to-space-migration/exportSpace.ts\n\nconst clientConfig    = createClientConfig(config);  // only extracts accessToken; discards config.host\nconst managementToken = clientConfig.accessToken;    // server's CMA PAT\n\nconst exportOptions = {\n  ...args,          // ← LLM-controlled tool call args: args.host enters here, unfiltered\n ","public_affected_ranges":["< 0.4.5"]}],"null_published_at":"2026-11-07T14:01:55.426Z","source_updated_at":"2026-08-19T19:17:01.000Z","source_disclosed_at":"2026-08-19T19:17:00.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-02T20:14:33.912Z"},{"id":"NVI-00015073","kind":"vulnerability","title":"Contentful MCP Server: export_space/import_space tools pass LLM-controlled `host`/`proxy` args to CMA client, redirecting server PAT to attacker-controlled endpoint","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2xhg-73j7-rrgx","CVE-2026-53957"],"plain_summary":"GitHub lists this reviewed advisory for @contentful/mcp-server, @contentful/mcp-tools. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-19T19:17:01.000Z","value":"7.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-18a7634ed7f8f78efa3a2ca2e6e57f8f","url":"https://github.com/advisories/GHSA-2xhg-73j7-rrgx","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2xhg-73j7-rrgx","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:14:33.912Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"],"technology":"@contentful/mcp-server","known_exclusions":[],"conditions_summary":"### Summary\n\n`export_space` and `import_space` tools in `@contentful/mcp-tools` accept LLM-controlled `host` and `proxy` parameters that are spread directly into the options object passed to `contentful-export` / `contentful-import`. These libraries pass the merged options — including the attacker-controlled `host` — to the Contentful Management API (CMA) SDK, which builds `baseURL` from `host` and attaches the server's CMA Personal Access Token as `Authorization: Bearer ` on every outgoing request. An attacker who can invoke MCP tools, or inject instructions into Contentful content the LLM reads, can redirect all CMA requests — and the PAT — to an attacker-controlled endpoint.\n\n---\n\n### Details\n\n**Root cause — `exportSpace.ts` lines 126–141** (identical pattern in `importSpace.ts` lines 103–119):\n\n```typescript\n// packages/mcp-tools/src/tools/jobs/space-to-space-migration/exportSpace.ts\n\nconst clientConfig    = createClientConfig(config);  // only extracts accessToken; discards config.host\nconst managementToken = clientConfig.accessToken;    // server's CMA PAT\n\nconst exportOptions = {\n  ...args,          // ← LLM-controlled tool call args: args.host enters here, unfiltered\n ","public_affected_ranges":["< 1.7.19"]},{"certainty":"source_listed","source_ids":["sr-18a7634ed7f8f78efa3a2ca2e6e57f8f"],"technology":"@contentful/mcp-tools","known_exclusions":[],"conditions_summary":"### Summary\n\n`export_space` and `import_space` tools in `@contentful/mcp-tools` accept LLM-controlled `host` and `proxy` parameters that are spread directly into the options object passed to `contentful-export` / `contentful-import`. These libraries pass the merged options — including the attacker-controlled `host` — to the Contentful Management API (CMA) SDK, which builds `baseURL` from `host` and attaches the server's CMA Personal Access Token as `Authorization: Bearer ` on every outgoing request. An attacker who can invoke MCP tools, or inject instructions into Contentful content the LLM reads, can redirect all CMA requests — and the PAT — to an attacker-controlled endpoint.\n\n---\n\n### Details\n\n**Root cause — `exportSpace.ts` lines 126–141** (identical pattern in `importSpace.ts` lines 103–119):\n\n```typescript\n// packages/mcp-tools/src/tools/jobs/space-to-space-migration/exportSpace.ts\n\nconst clientConfig    = createClientConfig(config);  // only extracts accessToken; discards config.host\nconst managementToken = clientConfig.accessToken;    // server's CMA PAT\n\nconst exportOptions = {\n  ...args,          // ← LLM-controlled tool call args: args.host enters here, unfiltered\n ","public_affected_ranges":["< 0.4.5"]}],"null_published_at":"2026-11-03T10:03:26.543Z","source_updated_at":"2026-08-19T19:17:01.000Z","source_disclosed_at":"2026-08-19T19:17:00.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-02T20:14:33.912Z"}],"next_cursor":null,"snapshot_revision":"42594"}