{"items":[{"id":"NVI-00009091","kind":"vulnerability","title":"FileBrowser: Symlink following escapes user scope allowing arbitrary file read outside the served directory","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-mgqf-5mf5-prfj","CVE-2026-116682"],"plain_summary":"GitHub lists this reviewed advisory for github.com/gtsteffaniak/filebrowser/backend. 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-944b4937a96dd9945b1e840b63e1643b"],"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":"2026-10-27T21:04:41.000Z","value":"8.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-adfba713cc729d8dc6ee464503d39c4e"},{"kind":"CVSS","as_of":"2026-11-02T20:17:32.797Z","value":"8.6 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-076eb06c7612aeaca822ebf8d6d39512"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.536%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.45229. Missing scores are unknown.","source_id":"sr-944b4937a96dd9945b1e840b63e1643b"}],"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-adfba713cc729d8dc6ee464503d39c4e","url":"https://github.com/advisories/GHSA-mgqf-5mf5-prfj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mgqf-5mf5-prfj","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-076eb06c7612aeaca822ebf8d6d39512","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116682","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-116682","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:08.616Z"},{"id":"sr-944b4937a96dd9945b1e840b63e1643b","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-2026-116682","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.374Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-adfba713cc729d8dc6ee464503d39c4e"],"technology":"github.com/gtsteffaniak/filebrowser/backend","known_exclusions":[],"conditions_summary":"## Summary\n\nFile read paths resolve symbolic links with `filepath.EvalSymlinks` and then operate on the resolved target without re-checking that the target still lies inside the user's source/scope. \n\nA symlink located inside a user's accessible directory that points outside the scope (for example to `/etc/passwd`, another tenant's directory, SSH keys, or container secrets) is followed transparently, and its contents are served through the normal download, preview, media, and OnlyOffice endpoints. Any authenticated user with download access can read files anywhere the server process can, whenever such a symlink is reachable in their scope. \n\nThe same symlink-following read path is used by the public share endpoints, which are authorized only by a share hash and not by any account, so when a public share exposes a directory that contains such a symlink, an unauthenticated attacker holding only the share link reads files outside the scope with no credential.\n\n## Details\n\n**1. Symlink resolution performs no containment check (`indexing/iteminfo/utils.go:110-119`)**\n\n```go\nfunc ResolveSymlinks(path string) (string, bool, error) {\n    resolvedPath, err := filepath.EvalSymlinks(path)   /","public_affected_ranges":["< 0.0.0-20260814233832-4126edeb07a0"]}],"null_published_at":"2026-11-04T02:53:03.132Z","source_updated_at":"2026-10-27T21:04:41.000Z","source_disclosed_at":"2026-10-27T21:04:40.000Z","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":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00009091","kind":"vulnerability","title":"FileBrowser: Symlink following escapes user scope allowing arbitrary file read outside the served directory","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-mgqf-5mf5-prfj","CVE-2026-116682"],"plain_summary":"GitHub lists this reviewed advisory for github.com/gtsteffaniak/filebrowser/backend. 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-076eb06c7612aeaca822ebf8d6d39512"],"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":"2026-10-27T21:04:41.000Z","value":"8.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-adfba713cc729d8dc6ee464503d39c4e"},{"kind":"CVSS","as_of":"2026-11-02T20:17:32.797Z","value":"8.6 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-076eb06c7612aeaca822ebf8d6d39512"}],"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-adfba713cc729d8dc6ee464503d39c4e","url":"https://github.com/advisories/GHSA-mgqf-5mf5-prfj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mgqf-5mf5-prfj","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-076eb06c7612aeaca822ebf8d6d39512","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116682","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-116682","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:08.616Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-adfba713cc729d8dc6ee464503d39c4e"],"technology":"github.com/gtsteffaniak/filebrowser/backend","known_exclusions":[],"conditions_summary":"## Summary\n\nFile read paths resolve symbolic links with `filepath.EvalSymlinks` and then operate on the resolved target without re-checking that the target still lies inside the user's source/scope. \n\nA symlink located inside a user's accessible directory that points outside the scope (for example to `/etc/passwd`, another tenant's directory, SSH keys, or container secrets) is followed transparently, and its contents are served through the normal download, preview, media, and OnlyOffice endpoints. Any authenticated user with download access can read files anywhere the server process can, whenever such a symlink is reachable in their scope. \n\nThe same symlink-following read path is used by the public share endpoints, which are authorized only by a share hash and not by any account, so when a public share exposes a directory that contains such a symlink, an unauthenticated attacker holding only the share link reads files outside the scope with no credential.\n\n## Details\n\n**1. Symlink resolution performs no containment check (`indexing/iteminfo/utils.go:110-119`)**\n\n```go\nfunc ResolveSymlinks(path string) (string, bool, error) {\n    resolvedPath, err := filepath.EvalSymlinks(path)   /","public_affected_ranges":["< 0.0.0-20260814233832-4126edeb07a0"]}],"null_published_at":"2026-11-03T10:03:31.367Z","source_updated_at":"2026-10-27T21:04:41.000Z","source_disclosed_at":"2026-10-27T21:04:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00009091","kind":"vulnerability","title":"FileBrowser: Symlink following escapes user scope allowing arbitrary file read outside the served directory","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mgqf-5mf5-prfj","CVE-2026-116682"],"plain_summary":"GitHub lists this reviewed advisory for github.com/gtsteffaniak/filebrowser/backend. 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-adfba713cc729d8dc6ee464503d39c4e"],"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":"2026-10-27T21:04:41.000Z","value":"8.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-adfba713cc729d8dc6ee464503d39c4e"}],"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-adfba713cc729d8dc6ee464503d39c4e","url":"https://github.com/advisories/GHSA-mgqf-5mf5-prfj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mgqf-5mf5-prfj","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-adfba713cc729d8dc6ee464503d39c4e"],"technology":"github.com/gtsteffaniak/filebrowser/backend","known_exclusions":[],"conditions_summary":"## Summary\n\nFile read paths resolve symbolic links with `filepath.EvalSymlinks` and then operate on the resolved target without re-checking that the target still lies inside the user's source/scope. \n\nA symlink located inside a user's accessible directory that points outside the scope (for example to `/etc/passwd`, another tenant's directory, SSH keys, or container secrets) is followed transparently, and its contents are served through the normal download, preview, media, and OnlyOffice endpoints. Any authenticated user with download access can read files anywhere the server process can, whenever such a symlink is reachable in their scope. \n\nThe same symlink-following read path is used by the public share endpoints, which are authorized only by a share hash and not by any account, so when a public share exposes a directory that contains such a symlink, an unauthenticated attacker holding only the share link reads files outside the scope with no credential.\n\n## Details\n\n**1. Symlink resolution performs no containment check (`indexing/iteminfo/utils.go:110-119`)**\n\n```go\nfunc ResolveSymlinks(path string) (string, bool, error) {\n    resolvedPath, err := filepath.EvalSymlinks(path)   /","public_affected_ranges":["< 0.0.0-20260814233832-4126edeb07a0"]}],"null_published_at":"2026-10-31T22:13:31.276Z","source_updated_at":"2026-10-27T21:04:41.000Z","source_disclosed_at":"2026-10-27T21:04:40.000Z","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":"2026-10-31T21:56:36.327Z"}],"next_cursor":null,"snapshot_revision":"42594"}