{"items":[{"id":"NVI-00010599","kind":"vulnerability","title":"obsidian-tc : Symlink read-ACL scope bypass via lexical path checks","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-c5xx-h28h-f682","CVE-2026-77361"],"plain_summary":"GitHub lists this reviewed advisory for obsidian-tc. 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-67ab0b538366c3faffa777af137814bc"],"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},{"summary":"The original advisory lists fixed boundaries 1.3.1 for obsidian-tc. Confirm the publisher’s latest guidance.","source_ids":["sr-116c45708eb7dc93b7def1a887bb9688"],"action_type":"vendor_patch","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":"2026-10-23T17:28:20.000Z","value":"4.7 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6164f4eeb900c08d43a2494efbad6203"},{"kind":"CVSS","as_of":"2026-10-16T22:17:55.790Z","value":"4.7 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-46d08da553a612a8776b8c16f714e432"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.113%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.01413. Missing scores are unknown.","source_id":"sr-67ab0b538366c3faffa777af137814bc"}],"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-6164f4eeb900c08d43a2494efbad6203","url":"https://github.com/advisories/GHSA-c5xx-h28h-f682","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-77361","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.699Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6164f4eeb900c08d43a2494efbad6203"],"technology":"obsidian-tc","known_exclusions":[],"conditions_summary":"### Impact\nACL checks ran on the lexical vault-relative path while containment used the realpath. An in-vault symlink placed under an allowed glob, whose realpath resolved into a denied folder, passed the read ACL — an intra-vault read-ACL-scope bypass. It requires an out-of-band-planted symlink (no MCP tool creates one) and is not a vault-root escape.\n\n### Patches\nFixed in **1.3.1**. Upgrade to `>= 1.3.1`. ACL enforcement now derives the realpath vault-relative path and feeds a single unified predicate at every site.\n\n### Workarounds\nDo not permit untrusted symlinks inside the vault.","public_affected_ranges":["< 1.3.1"]},{"certainty":"source_listed","source_ids":["sr-116c45708eb7dc93b7def1a887bb9688"],"technology":"obsidian-tc","known_exclusions":[],"conditions_summary":"### Impact\nACL checks ran on the lexical vault-relative path while containment used the realpath. An in-vault symlink placed under an allowed glob, whose realpath resolved into a denied folder, passed the read ACL — an intra-vault read-ACL-scope bypass. It requires an out-of-band-planted symlink (no MCP tool creates one) and is not a vault-root escape.\n\n### Patches\nFixed in **1.3.1**. Upgrade to `>= 1.3.1`. ACL enforcement now derives the realpath vault-relative path and feeds a single unified predicate at every site.\n\n### Workarounds\nDo not permit untrusted symlinks inside the vault.","public_affected_ranges":["SEMVER: introduced 0; fixed 1.3.1"]}],"null_published_at":"2026-11-05T03:52:54.733Z","source_updated_at":"2026-10-23T17:28:20.000Z","source_disclosed_at":"2026-10-23T17:28:19.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:07:08.657Z"},{"id":"NVI-00010599","kind":"vulnerability","title":"obsidian-tc : Symlink read-ACL scope bypass via lexical path checks","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-c5xx-h28h-f682","CVE-2026-77361"],"plain_summary":"GitHub lists this reviewed advisory for obsidian-tc. 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-67ab0b538366c3faffa777af137814bc"],"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":"2026-10-23T17:28:20.000Z","value":"4.7 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6164f4eeb900c08d43a2494efbad6203"},{"kind":"CVSS","as_of":"2026-10-16T22:17:55.790Z","value":"4.7 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-46d08da553a612a8776b8c16f714e432"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.113%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.01413. Missing scores are unknown.","source_id":"sr-67ab0b538366c3faffa777af137814bc"}],"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-6164f4eeb900c08d43a2494efbad6203","url":"https://github.com/advisories/GHSA-c5xx-h28h-f682","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-c5xx-h28h-f682","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"},{"id":"sr-46d08da553a612a8776b8c16f714e432","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77361","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-77361","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:04.406Z"},{"id":"sr-67ab0b538366c3faffa777af137814bc","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-2026-77361","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.699Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6164f4eeb900c08d43a2494efbad6203"],"technology":"obsidian-tc","known_exclusions":[],"conditions_summary":"### Impact\nACL checks ran on the lexical vault-relative path while containment used the realpath. An in-vault symlink placed under an allowed glob, whose realpath resolved into a denied folder, passed the read ACL — an intra-vault read-ACL-scope bypass. It requires an out-of-band-planted symlink (no MCP tool creates one) and is not a vault-root escape.\n\n### Patches\nFixed in **1.3.1**. Upgrade to `>= 1.3.1`. ACL enforcement now derives the realpath vault-relative path and feeds a single unified predicate at every site.\n\n### Workarounds\nDo not permit untrusted symlinks inside the vault.","public_affected_ranges":["< 1.3.1"]}],"null_published_at":"2026-11-04T10:04:35.948Z","source_updated_at":"2026-10-23T17:28:20.000Z","source_disclosed_at":"2026-10-23T17:28:19.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:07:08.657Z"},{"id":"NVI-00010599","kind":"vulnerability","title":"obsidian-tc : Symlink read-ACL scope bypass via lexical path checks","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-c5xx-h28h-f682","CVE-2026-77361"],"plain_summary":"GitHub lists this reviewed advisory for obsidian-tc. 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-67ab0b538366c3faffa777af137814bc"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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Null normalizes fields.","title":"GHSA-c5xx-h28h-f682","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"},{"id":"sr-67ab0b538366c3faffa777af137814bc","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-2026-77361","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.699Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6164f4eeb900c08d43a2494efbad6203"],"technology":"obsidian-tc","known_exclusions":[],"conditions_summary":"### Impact\nACL checks ran on the lexical vault-relative path while containment used the realpath. An in-vault symlink placed under an allowed glob, whose realpath resolved into a denied folder, passed the read ACL — an intra-vault read-ACL-scope bypass. It requires an out-of-band-planted symlink (no MCP tool creates one) and is not a vault-root escape.\n\n### Patches\nFixed in **1.3.1**. Upgrade to `>= 1.3.1`. ACL enforcement now derives the realpath vault-relative path and feeds a single unified predicate at every site.\n\n### Workarounds\nDo not permit untrusted symlinks inside the vault.","public_affected_ranges":["< 1.3.1"]}],"null_published_at":"2026-11-01T22:58:19.138Z","source_updated_at":"2026-10-23T17:28:20.000Z","source_disclosed_at":"2026-10-23T17:28:19.000Z","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":"2026-10-31T22:07:08.657Z"},{"id":"NVI-00010599","kind":"vulnerability","title":"obsidian-tc : Symlink read-ACL scope bypass via lexical path checks","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-c5xx-h28h-f682","CVE-2026-77361"],"plain_summary":"GitHub lists this reviewed advisory for obsidian-tc. 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-6164f4eeb900c08d43a2494efbad6203"],"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":"2026-10-23T17:28:20.000Z","value":"4.7 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6164f4eeb900c08d43a2494efbad6203"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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Upgrade to `>= 1.3.1`. ACL enforcement now derives the realpath vault-relative path and feeds a single unified predicate at every site.\n\n### Workarounds\nDo not permit untrusted symlinks inside the vault.","public_affected_ranges":["< 1.3.1"]}],"null_published_at":"2026-10-31T22:27:09.625Z","source_updated_at":"2026-10-23T17:28:20.000Z","source_disclosed_at":"2026-10-23T17:28:19.000Z","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":"2026-10-31T22:07:08.657Z"}],"next_cursor":null,"snapshot_revision":"42594"}