{"items":[{"id":"NVI-00010739","kind":"vulnerability","title":"Black: GitHub Action installs unvalidated required-version from pyproject.toml","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-cg8m-r9f2-5wm2","CVE-2026-114134"],"plain_summary":"GitHub lists this reviewed advisory for black. 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-524a3a65a7585152a2b269beb0498345"],"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":"2026-11-05T21:18:36.887Z","value":"8.7 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-524a3a65a7585152a2b269beb0498345"}],"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-dc093203ae74118ce807aadfe5222d93","url":"https://github.com/advisories/GHSA-cg8m-r9f2-5wm2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cg8m-r9f2-5wm2","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"},{"id":"sr-524a3a65a7585152a2b269beb0498345","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114134","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-114134","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-07T00:52:47.527Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-dc093203ae74118ce807aadfe5222d93"],"technology":"black","known_exclusions":[],"conditions_summary":"### Summary\n\nThe GitHub Action bundled with Black can read the version from `tool.black.required-version` if `use_pyproject` is set to True. This version is not validated and therefore can be used to execute untrusted code in the context of a victim's repository.\n\n### Details\n\nThis is similar to the previous CVE-2026-31900. The value in `tool.black.required-version` is accepted as the version to be installed by the action without validation.\n\n### Proof of concept\n\nReproduction requires a victim to use Black's GitHub Action with `use_pyproject: true`. The attacker would then issue a PR to the victim's repository with `pyproject.toml` edited so that Black points to a malicious repository.\n\n### Impact\n\nThis is a remote code execution vulnerability impacting users using the GitHub Action bundled with psf/black and using the `use_pyproject: true` setting.","public_affected_ranges":["< 26.10.1"]}],"null_published_at":"2026-11-07T18:43:12.111Z","source_updated_at":"2026-10-22T16:18:58.000Z","source_disclosed_at":"2026-10-22T16:18:57.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T22:07:30.906Z"},{"id":"NVI-00010739","kind":"vulnerability","title":"Black: GitHub Action installs unvalidated required-version from pyproject.toml","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cg8m-r9f2-5wm2","CVE-2026-114134"],"plain_summary":"GitHub lists this reviewed advisory for black. 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-dc093203ae74118ce807aadfe5222d93"],"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-dc093203ae74118ce807aadfe5222d93","url":"https://github.com/advisories/GHSA-cg8m-r9f2-5wm2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cg8m-r9f2-5wm2","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:30.906Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-dc093203ae74118ce807aadfe5222d93"],"technology":"black","known_exclusions":[],"conditions_summary":"### Summary\n\nThe GitHub Action bundled with Black can read the version from `tool.black.required-version` if `use_pyproject` is set to True. This version is not validated and therefore can be used to execute untrusted code in the context of a victim's repository.\n\n### Details\n\nThis is similar to the previous CVE-2026-31900. The value in `tool.black.required-version` is accepted as the version to be installed by the action without validation.\n\n### Proof of concept\n\nReproduction requires a victim to use Black's GitHub Action with `use_pyproject: true`. The attacker would then issue a PR to the victim's repository with `pyproject.toml` edited so that Black points to a malicious repository.\n\n### Impact\n\nThis is a remote code execution vulnerability impacting users using the GitHub Action bundled with psf/black and using the `use_pyproject: true` setting.","public_affected_ranges":["< 26.10.1"]}],"null_published_at":"2026-10-31T22:27:12.379Z","source_updated_at":"2026-10-22T16:18:58.000Z","source_disclosed_at":"2026-10-22T16:18:57.000Z","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":"2026-10-31T22:07:30.906Z"}],"next_cursor":null,"snapshot_revision":"42594"}