{"items":[{"id":"NVI-00015128","kind":"vulnerability","title":"Shescape: Path disclosure on Unix with Zsh","revision":4,"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-6v4m-fw66-8r4x","CVE-2026-73412"],"plain_summary":"GitHub lists this reviewed advisory for shescape, shescape. 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-182891bdfa626a183cc67416191cff5b"],"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":"2026-10-24T15:10:00.190Z","value":"6.3 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-094b05b7734be6f4b42fb2396fab9c7c"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.612%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.49421. Missing scores are unknown.","source_id":"sr-182891bdfa626a183cc67416191cff5b"}],"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-2803c108c8d8a08e65e48ddadcda3fce","url":"https://github.com/advisories/GHSA-6v4m-fw66-8r4x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6v4m-fw66-8r4x","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"},{"id":"sr-094b05b7734be6f4b42fb2396fab9c7c","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73412","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-73412","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T19:45:24.870Z"},{"id":"sr-182891bdfa626a183cc67416191cff5b","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-2026-73412","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2803c108c8d8a08e65e48ddadcda3fce"],"technology":"shescape","known_exclusions":[],"conditions_summary":"### Impact\n\nThis impacts users of Shescape on Unix systems that explicitly configure `shell` to Zsh, or `true` when the default shell is Zsh, using the `escape` and `escapeAll`. The Zsh options `EXTENDED_GLOB` and `MAGIC_EQUAL_SUBST` exacerbate the problem.\n\nIn certain case, an attacker can leverage home directory expansion and extended glob syntax to obtain lists of files and directories on the system. Depending on what the command does, this may be used to leak more information.\n\n#### Without option / with `MAGIC_EQUAL_SUBST`\n\n```javascript\nimport * as cp from \"node:child_process\";\nimport { Shescape } from \"shescape\";\n\n// 1. Prerequisites\nconst options = {\n    shell: \"zsh\",\n    // Or\n    shell: true, // Only if the default shell is Zsh\n};\n\n// 2. Payload\nconst payload1 = \":~\";\n// Or\nconst payload2 = \"a=~\"; // requires MAGIC_EQUAL_SUBST\n\n// 3. Usage\nconst shescape = new Shescape(options);\nlet escapedPayload;\n\nescapedPayload = shescape.escape(payload1);\n// Or\nescapedPayload = shescape.escapeAll([payload1]);\n// And (example)\nconst result1 = cp.execSync(`V=${escapedPayload}; echo $V`, options);\n\n// Or\nescapedPayload = shescape.escape(payload2);\n// Or\nescapedPayload = shescape.escapeAl","public_affected_ranges":["< 2.1.14"]},{"certainty":"source_listed","source_ids":["sr-2803c108c8d8a08e65e48ddadcda3fce"],"technology":"shescape","known_exclusions":[],"conditions_summary":"### Impact\n\nThis impacts users of Shescape on Unix systems that explicitly configure `shell` to Zsh, or `true` when the default shell is Zsh, using the `escape` and `escapeAll`. The Zsh options `EXTENDED_GLOB` and `MAGIC_EQUAL_SUBST` exacerbate the problem.\n\nIn certain case, an attacker can leverage home directory expansion and extended glob syntax to obtain lists of files and directories on the system. Depending on what the command does, this may be used to leak more information.\n\n#### Without option / with `MAGIC_EQUAL_SUBST`\n\n```javascript\nimport * as cp from \"node:child_process\";\nimport { Shescape } from \"shescape\";\n\n// 1. Prerequisites\nconst options = {\n    shell: \"zsh\",\n    // Or\n    shell: true, // Only if the default shell is Zsh\n};\n\n// 2. Payload\nconst payload1 = \":~\";\n// Or\nconst payload2 = \"a=~\"; // requires MAGIC_EQUAL_SUBST\n\n// 3. Usage\nconst shescape = new Shescape(options);\nlet escapedPayload;\n\nescapedPayload = shescape.escape(payload1);\n// Or\nescapedPayload = shescape.escapeAll([payload1]);\n// And (example)\nconst result1 = cp.execSync(`V=${escapedPayload}; echo $V`, options);\n\n// Or\nescapedPayload = shescape.escape(payload2);\n// Or\nescapedPayload = shescape.escapeAl","public_affected_ranges":[">= 3.0.0, < 3.0.1"]}],"null_published_at":"2026-11-08T19:53:44.019Z","source_updated_at":"2026-08-12T19:38:47.000Z","source_disclosed_at":"2026-07-24T22:33:38.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T20:17:12.848Z"},{"id":"NVI-00015128","kind":"vulnerability","title":"Shescape: Path disclosure on Unix with Zsh","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6v4m-fw66-8r4x","CVE-2026-73412"],"plain_summary":"GitHub lists this reviewed advisory for shescape, shescape. 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-183802e6f5d54246fed0886904f40b50"],"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":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.612%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.49349. Missing scores are unknown.","source_id":"sr-183802e6f5d54246fed0886904f40b50"}],"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-2803c108c8d8a08e65e48ddadcda3fce","url":"https://github.com/advisories/GHSA-6v4m-fw66-8r4x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6v4m-fw66-8r4x","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"},{"id":"sr-183802e6f5d54246fed0886904f40b50","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-2026-73412","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.079Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2803c108c8d8a08e65e48ddadcda3fce"],"technology":"shescape","known_exclusions":[],"conditions_summary":"### Impact\n\nThis impacts users of Shescape on Unix systems that explicitly configure `shell` to Zsh, or `true` when the default shell is Zsh, using the `escape` and `escapeAll`. The Zsh options `EXTENDED_GLOB` and `MAGIC_EQUAL_SUBST` exacerbate the problem.\n\nIn certain case, an attacker can leverage home directory expansion and extended glob syntax to obtain lists of files and directories on the system. Depending on what the command does, this may be used to leak more information.\n\n#### Without option / with `MAGIC_EQUAL_SUBST`\n\n```javascript\nimport * as cp from \"node:child_process\";\nimport { Shescape } from \"shescape\";\n\n// 1. Prerequisites\nconst options = {\n    shell: \"zsh\",\n    // Or\n    shell: true, // Only if the default shell is Zsh\n};\n\n// 2. Payload\nconst payload1 = \":~\";\n// Or\nconst payload2 = \"a=~\"; // requires MAGIC_EQUAL_SUBST\n\n// 3. Usage\nconst shescape = new Shescape(options);\nlet escapedPayload;\n\nescapedPayload = shescape.escape(payload1);\n// Or\nescapedPayload = shescape.escapeAll([payload1]);\n// And (example)\nconst result1 = cp.execSync(`V=${escapedPayload}; echo $V`, options);\n\n// Or\nescapedPayload = shescape.escape(payload2);\n// Or\nescapedPayload = shescape.escapeAl","public_affected_ranges":["< 2.1.14"]},{"certainty":"source_listed","source_ids":["sr-2803c108c8d8a08e65e48ddadcda3fce"],"technology":"shescape","known_exclusions":[],"conditions_summary":"### Impact\n\nThis impacts users of Shescape on Unix systems that explicitly configure `shell` to Zsh, or `true` when the default shell is Zsh, using the `escape` and `escapeAll`. The Zsh options `EXTENDED_GLOB` and `MAGIC_EQUAL_SUBST` exacerbate the problem.\n\nIn certain case, an attacker can leverage home directory expansion and extended glob syntax to obtain lists of files and directories on the system. Depending on what the command does, this may be used to leak more information.\n\n#### Without option / with `MAGIC_EQUAL_SUBST`\n\n```javascript\nimport * as cp from \"node:child_process\";\nimport { Shescape } from \"shescape\";\n\n// 1. Prerequisites\nconst options = {\n    shell: \"zsh\",\n    // Or\n    shell: true, // Only if the default shell is Zsh\n};\n\n// 2. Payload\nconst payload1 = \":~\";\n// Or\nconst payload2 = \"a=~\"; // requires MAGIC_EQUAL_SUBST\n\n// 3. Usage\nconst shescape = new Shescape(options);\nlet escapedPayload;\n\nescapedPayload = shescape.escape(payload1);\n// Or\nescapedPayload = shescape.escapeAll([payload1]);\n// And (example)\nconst result1 = cp.execSync(`V=${escapedPayload}; echo $V`, options);\n\n// Or\nescapedPayload = shescape.escape(payload2);\n// Or\nescapedPayload = shescape.escapeAl","public_affected_ranges":[">= 3.0.0, < 3.0.1"]}],"null_published_at":"2026-11-07T14:01:55.378Z","source_updated_at":"2026-08-12T19:38:47.000Z","source_disclosed_at":"2026-07-24T22:33:38.000Z","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":"2026-11-02T20:17:12.848Z"},{"id":"NVI-00015128","kind":"vulnerability","title":"Shescape: Path disclosure on Unix with Zsh","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6v4m-fw66-8r4x","CVE-2026-73412"],"plain_summary":"GitHub lists this reviewed advisory for shescape, shescape. 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-2803c108c8d8a08e65e48ddadcda3fce"],"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":[],"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-2803c108c8d8a08e65e48ddadcda3fce","url":"https://github.com/advisories/GHSA-6v4m-fw66-8r4x","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6v4m-fw66-8r4x","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-2803c108c8d8a08e65e48ddadcda3fce"],"technology":"shescape","known_exclusions":[],"conditions_summary":"### Impact\n\nThis impacts users of Shescape on Unix systems that explicitly configure `shell` to Zsh, or `true` when the default shell is Zsh, using the `escape` and `escapeAll`. The Zsh options `EXTENDED_GLOB` and `MAGIC_EQUAL_SUBST` exacerbate the problem.\n\nIn certain case, an attacker can leverage home directory expansion and extended glob syntax to obtain lists of files and directories on the system. Depending on what the command does, this may be used to leak more information.\n\n#### Without option / with `MAGIC_EQUAL_SUBST`\n\n```javascript\nimport * as cp from \"node:child_process\";\nimport { Shescape } from \"shescape\";\n\n// 1. Prerequisites\nconst options = {\n    shell: \"zsh\",\n    // Or\n    shell: true, // Only if the default shell is Zsh\n};\n\n// 2. Payload\nconst payload1 = \":~\";\n// Or\nconst payload2 = \"a=~\"; // requires MAGIC_EQUAL_SUBST\n\n// 3. Usage\nconst shescape = new Shescape(options);\nlet escapedPayload;\n\nescapedPayload = shescape.escape(payload1);\n// Or\nescapedPayload = shescape.escapeAll([payload1]);\n// And (example)\nconst result1 = cp.execSync(`V=${escapedPayload}; echo $V`, options);\n\n// Or\nescapedPayload = shescape.escape(payload2);\n// Or\nescapedPayload = shescape.escapeAl","public_affected_ranges":["< 2.1.14"]},{"certainty":"source_listed","source_ids":["sr-2803c108c8d8a08e65e48ddadcda3fce"],"technology":"shescape","known_exclusions":[],"conditions_summary":"### Impact\n\nThis impacts users of Shescape on Unix systems that explicitly configure `shell` to Zsh, or `true` when the default shell is Zsh, using the `escape` and `escapeAll`. The Zsh options `EXTENDED_GLOB` and `MAGIC_EQUAL_SUBST` exacerbate the problem.\n\nIn certain case, an attacker can leverage home directory expansion and extended glob syntax to obtain lists of files and directories on the system. Depending on what the command does, this may be used to leak more information.\n\n#### Without option / with `MAGIC_EQUAL_SUBST`\n\n```javascript\nimport * as cp from \"node:child_process\";\nimport { Shescape } from \"shescape\";\n\n// 1. Prerequisites\nconst options = {\n    shell: \"zsh\",\n    // Or\n    shell: true, // Only if the default shell is Zsh\n};\n\n// 2. Payload\nconst payload1 = \":~\";\n// Or\nconst payload2 = \"a=~\"; // requires MAGIC_EQUAL_SUBST\n\n// 3. Usage\nconst shescape = new Shescape(options);\nlet escapedPayload;\n\nescapedPayload = shescape.escape(payload1);\n// Or\nescapedPayload = shescape.escapeAll([payload1]);\n// And (example)\nconst result1 = cp.execSync(`V=${escapedPayload}; echo $V`, options);\n\n// Or\nescapedPayload = shescape.escape(payload2);\n// Or\nescapedPayload = shescape.escapeAl","public_affected_ranges":[">= 3.0.0, < 3.0.1"]}],"null_published_at":"2026-11-03T10:03:26.552Z","source_updated_at":"2026-08-12T19:38:47.000Z","source_disclosed_at":"2026-07-24T22:33:38.000Z","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":"2026-11-02T20:17:12.848Z"}],"next_cursor":null,"snapshot_revision":"42594"}