{"id":"EM-20261105-2N61","url":"https://cyber.eventmonitor.net/incident/EM-20261105-2N61/black-vulnerability-cve-2026-114134/","type":"cve","title":"Black Vulnerability (CVE-2026-114134)","subtitle":"CVE-2026-114134","subject":"CVE-2026-114134","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-05T21:18:36.887Z","firstSignal":"2026-11-05T20:22:14.000Z","lastSignal":"2026-11-05T21:18:36.887Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T21:18:36.887Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-05T21:18:36.887Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T20:22:14.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T21:18:36.887Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261105-2N61 created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T21:18:36.887Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T21:18:36.887Z","detail":"CVSS 8.7"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T20:22:14.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T20:22:14.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-114134 (important)","text":"black: Black: Arbitrary code execution via unvalidated version specification in GitHub Action","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-114134.json"},{"at":"2026-11-05T21:18:36.887Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-114134 (CVSS 8.7)","text":"Black is the uncompromising Python code formatter. Prior to 26.10.1, the Black GitHub Action with use_pyproject: true accepts tool.black.required-version from pyproject.toml without validating that it is a released Black version specifier. An attacker who can submit a pull request can change that field to a direct reference to attacker-controlled code, causing the workflow to install and execute the code in the victim repository's GitHub Actions context. This issue is fixed in version 26.10.1.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114134"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T21:18:36.887","score":8.7,"severity":"HIGH","desc":"Black is the uncompromising Python code formatter. Prior to 26.10.1, the Black GitHub Action with use_pyproject: true accepts tool.black.required-version from pyproject.toml without validating that it is a released Black version specifier. An attacker who can submit a pull request can change that…","product":"","seen":1793922090303},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}