{"items":[{"id":"NVI-00011899","kind":"vulnerability","title":"knowns OS Command Injection via Insecure LSP Binary Path Config in .knowns/config.json","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-mc52-mwq4-vfx3","CVE-2026-86540"],"plain_summary":"GitHub lists this reviewed advisory for knowns. 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-b23efc8b5e7f416f88a59aadee7b7d20"],"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":"2026-10-06T18:58:40.000Z","value":"7.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-57e8d1b12612132f888552ef1035908f"},{"kind":"CVSS","as_of":"2026-09-08T19:56:50.950Z","value":"7.8 HIGH (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-3ebdb72aa382fc3f001a2becddfbc72b"},{"kind":"CVSS","as_of":"2026-09-08T19:56:50.950Z","value":"8.5 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-3ebdb72aa382fc3f001a2becddfbc72b"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.212%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.11539. Missing scores are unknown.","source_id":"sr-b23efc8b5e7f416f88a59aadee7b7d20"}],"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-57e8d1b12612132f888552ef1035908f","url":"https://github.com/advisories/GHSA-mc52-mwq4-vfx3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mc52-mwq4-vfx3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-3ebdb72aa382fc3f001a2becddfbc72b","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86540","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-86540","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:21.684Z"},{"id":"sr-b23efc8b5e7f416f88a59aadee7b7d20","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-2026-86540","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.088Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-57e8d1b12612132f888552ef1035908f"],"technology":"knowns","known_exclusions":[],"conditions_summary":"## Overview\n\nA critical **Arbitrary Code Execution (ACE)** vulnerability exists in the Knowns Language Server Protocol (LSP) detection and startup pipeline. The system blindly trusts the `settings.lsp.languages..binary` field defined in the project-level `.knowns/config.json` file. \n\nBecause this field is **never validated** against an allowlist of managed binaries, and absolute paths are implicitly accepted, opening a malicious repository (or a legitimate repository where the config has been tampered with) results in the immediate execution of an attacker-controlled binary. The payload is executed **twice** per session: once during the initial `runVersionCheck` (health check), and again when the LSP server process is spawned via `Server.Start()`. When chained with the previously identified Config Overwrite vulnerabilities, this flaw yields a fully unauthenticated Remote Code Execution chain.\n\n## Affected paths\n\n| File Path | Role | Vulnerability & Execution Impact |\n| :--- | :--- | :--- |\n| **`internal/models/config.go`** | Validation Gap | **Missing Binary Validation (CWE-829):** `ProjectSettings.Validate()` enforces duration formats for task lifecycles but **completely ign","public_affected_ranges":["<= 0.29.1"]}],"null_published_at":"2026-11-08T08:10:32.017Z","source_updated_at":"2026-10-06T18:58:40.000Z","source_disclosed_at":"2026-10-06T18:58:38.000Z","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":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011899","kind":"vulnerability","title":"knowns OS Command Injection via Insecure LSP Binary Path Config in .knowns/config.json","revision":2,"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-mc52-mwq4-vfx3","CVE-2026-86540"],"plain_summary":"GitHub lists this reviewed advisory for knowns. 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-3ebdb72aa382fc3f001a2becddfbc72b"],"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":"2026-10-06T18:58:40.000Z","value":"7.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-57e8d1b12612132f888552ef1035908f"},{"kind":"CVSS","as_of":"2026-09-08T19:56:50.950Z","value":"7.8 HIGH (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-3ebdb72aa382fc3f001a2becddfbc72b"},{"kind":"CVSS","as_of":"2026-09-08T19:56:50.950Z","value":"8.5 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-3ebdb72aa382fc3f001a2becddfbc72b"}],"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-57e8d1b12612132f888552ef1035908f","url":"https://github.com/advisories/GHSA-mc52-mwq4-vfx3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mc52-mwq4-vfx3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-3ebdb72aa382fc3f001a2becddfbc72b","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86540","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-86540","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:21.684Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-57e8d1b12612132f888552ef1035908f"],"technology":"knowns","known_exclusions":[],"conditions_summary":"## Overview\n\nA critical **Arbitrary Code Execution (ACE)** vulnerability exists in the Knowns Language Server Protocol (LSP) detection and startup pipeline. The system blindly trusts the `settings.lsp.languages..binary` field defined in the project-level `.knowns/config.json` file. \n\nBecause this field is **never validated** against an allowlist of managed binaries, and absolute paths are implicitly accepted, opening a malicious repository (or a legitimate repository where the config has been tampered with) results in the immediate execution of an attacker-controlled binary. The payload is executed **twice** per session: once during the initial `runVersionCheck` (health check), and again when the LSP server process is spawned via `Server.Start()`. When chained with the previously identified Config Overwrite vulnerabilities, this flaw yields a fully unauthenticated Remote Code Execution chain.\n\n## Affected paths\n\n| File Path | Role | Vulnerability & Execution Impact |\n| :--- | :--- | :--- |\n| **`internal/models/config.go`** | Validation Gap | **Missing Binary Validation (CWE-829):** `ProjectSettings.Validate()` enforces duration formats for task lifecycles but **completely ign","public_affected_ranges":["<= 0.29.1"]}],"null_published_at":"2026-11-04T10:04:35.937Z","source_updated_at":"2026-10-06T18:58:40.000Z","source_disclosed_at":"2026-10-06T18:58:38.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011899","kind":"vulnerability","title":"knowns OS Command Injection via Insecure LSP Binary Path Config in .knowns/config.json","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mc52-mwq4-vfx3","CVE-2026-86540"],"plain_summary":"GitHub lists this reviewed advisory for knowns. 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-57e8d1b12612132f888552ef1035908f"],"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":"2026-10-06T18:58:40.000Z","value":"7.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-57e8d1b12612132f888552ef1035908f"}],"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-57e8d1b12612132f888552ef1035908f","url":"https://github.com/advisories/GHSA-mc52-mwq4-vfx3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mc52-mwq4-vfx3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-57e8d1b12612132f888552ef1035908f"],"technology":"knowns","known_exclusions":[],"conditions_summary":"## Overview\n\nA critical **Arbitrary Code Execution (ACE)** vulnerability exists in the Knowns Language Server Protocol (LSP) detection and startup pipeline. The system blindly trusts the `settings.lsp.languages..binary` field defined in the project-level `.knowns/config.json` file. \n\nBecause this field is **never validated** against an allowlist of managed binaries, and absolute paths are implicitly accepted, opening a malicious repository (or a legitimate repository where the config has been tampered with) results in the immediate execution of an attacker-controlled binary. The payload is executed **twice** per session: once during the initial `runVersionCheck` (health check), and again when the LSP server process is spawned via `Server.Start()`. When chained with the previously identified Config Overwrite vulnerabilities, this flaw yields a fully unauthenticated Remote Code Execution chain.\n\n## Affected paths\n\n| File Path | Role | Vulnerability & Execution Impact |\n| :--- | :--- | :--- |\n| **`internal/models/config.go`** | Validation Gap | **Missing Binary Validation (CWE-829):** `ProjectSettings.Validate()` enforces duration formats for task lifecycles but **completely ign","public_affected_ranges":["<= 0.29.1"]}],"null_published_at":"2026-11-01T01:03:56.614Z","source_updated_at":"2026-10-06T18:58:40.000Z","source_disclosed_at":"2026-10-06T18:58:38.000Z","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":"2026-11-01T00:59:16.959Z"}],"next_cursor":null,"snapshot_revision":"42594"}