{"items":[{"id":"NVI-00010590","kind":"vulnerability","title":"filelock: On Windows an oplock on a soft lock's marker holds SoftFileLock.acquire() past its timeout and blocks the stale break","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-567q-5qvw-pf92","CVE-2026-112907"],"plain_summary":"GitHub lists this reviewed advisory for filelock. 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-6a3d9855a04501c1eab7240e356c98d3"],"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":"2026-10-23T22:27:34.000Z","value":"2.5 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5c4c57cfac833343c16923f1ed329aef"},{"kind":"CVSS","as_of":"2026-11-06T21:40:43.450Z","value":"2.5 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6a3d9855a04501c1eab7240e356c98d3"}],"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-5c4c57cfac833343c16923f1ed329aef","url":"https://github.com/advisories/GHSA-567q-5qvw-pf92","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-567q-5qvw-pf92","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"},{"id":"sr-6a3d9855a04501c1eab7240e356c98d3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112907","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-112907","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-07T00:52:39.494Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5c4c57cfac833343c16923f1ed329aef"],"technology":"filelock","known_exclusions":[],"conditions_summary":"On Windows the soft locks (`SoftFileLock`, `MarkerSoftFileLock`, `SoftFileLease`, their async forms, and a `FileLock` that fell back to a soft lock) read their marker by path. The marker is the lock file whose presence says a process holds the lock. Each `acquire()` attempt that finds a marker opens it with `os.open` to read the holder's process id, and the lock renames and deletes a marker it judges stale, by path. On Windows each of these calls waits for an oplock. An oplock (opportunistic lock) is a request by a process that holds a handle on a file to be told before another process opens, renames or deletes that file; the other process waits until the holder answers the break or closes its handle.\n\nAnother local account that can open the marker for reading can take a Level 1 oplock on it while no process holds it open, and leave the break unanswered. Every `acquire()` by the user running the lock (below: the lock user) then waits inside the open, past its `timeout`, `blocking=False` and `cancel_check`, and a stale marker under that oplock is not broken. Mutual exclusion holds and the lock touches no other file. Affected versions are filelock 3.22.0 through 4.2.0 on Windows. The","public_affected_ranges":[">= 3.22.0, <= 4.2.0"]}],"null_published_at":"2026-11-08T19:53:44.066Z","source_updated_at":"2026-10-23T22:27:34.000Z","source_disclosed_at":"2026-10-23T22:27:32.000Z","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-00010590","kind":"vulnerability","title":"filelock: On Windows an oplock on a soft lock's marker holds SoftFileLock.acquire() past its timeout and blocks the stale break","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-567q-5qvw-pf92","CVE-2026-112907"],"plain_summary":"GitHub lists this reviewed advisory for filelock. 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-5c4c57cfac833343c16923f1ed329aef"],"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":"2026-10-23T22:27:34.000Z","value":"2.5 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5c4c57cfac833343c16923f1ed329aef"}],"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-5c4c57cfac833343c16923f1ed329aef","url":"https://github.com/advisories/GHSA-567q-5qvw-pf92","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-567q-5qvw-pf92","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5c4c57cfac833343c16923f1ed329aef"],"technology":"filelock","known_exclusions":[],"conditions_summary":"On Windows the soft locks (`SoftFileLock`, `MarkerSoftFileLock`, `SoftFileLease`, their async forms, and a `FileLock` that fell back to a soft lock) read their marker by path. The marker is the lock file whose presence says a process holds the lock. Each `acquire()` attempt that finds a marker opens it with `os.open` to read the holder's process id, and the lock renames and deletes a marker it judges stale, by path. On Windows each of these calls waits for an oplock. An oplock (opportunistic lock) is a request by a process that holds a handle on a file to be told before another process opens, renames or deletes that file; the other process waits until the holder answers the break or closes its handle.\n\nAnother local account that can open the marker for reading can take a Level 1 oplock on it while no process holds it open, and leave the break unanswered. Every `acquire()` by the user running the lock (below: the lock user) then waits inside the open, past its `timeout`, `blocking=False` and `cancel_check`, and a stale marker under that oplock is not broken. Mutual exclusion holds and the lock touches no other file. Affected versions are filelock 3.22.0 through 4.2.0 on Windows. The","public_affected_ranges":[">= 3.22.0, <= 4.2.0"]}],"null_published_at":"2026-10-31T22:27:09.624Z","source_updated_at":"2026-10-23T22:27:34.000Z","source_disclosed_at":"2026-10-23T22:27:32.000Z","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"}