{"items":[{"id":"NVI-00015034","kind":"vulnerability","title":"conflibot vulnerable to command injection via crafted pull request branch names under pull_request_target","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2qvg-qr73-mqxp","CVE-2026-55158"],"plain_summary":"GitHub lists this reviewed advisory for wktk/conflibot. 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-0da5f7ddb138b6b7d8672a421600eb69"],"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":"2026-08-17T13:35:08.000Z","value":"9.1 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-0da5f7ddb138b6b7d8672a421600eb69"}],"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-0da5f7ddb138b6b7d8672a421600eb69","url":"https://github.com/advisories/GHSA-2qvg-qr73-mqxp","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2qvg-qr73-mqxp","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:15:44.568Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0da5f7ddb138b6b7d8672a421600eb69"],"technology":"wktk/conflibot","known_exclusions":[],"conditions_summary":"### Impact\n\nVersions of conflibot before `1.2.1` build `git` commands by string interpolation and run them through a shell. Several of the interpolated values are pull request branch names (`head.ref`), which are attacker-controlled: anyone can open a pull request (including from a fork) whose head branch name contains shell metacharacters such as `` ` ``, `$( )`, `;`, `|`, or `&`.\n\nThe recommended workflow runs conflibot on the `pull_request_target` event, where the job has access to the base repository's secrets and a write-scoped `GITHUB_TOKEN`. As a result, a crafted branch name causes arbitrary command execution on the runner with that write token in the environment, allowing an attacker to exfiltrate secrets and the token, push to the repository, or otherwise abuse the token's permissions. No special privileges and no maintainer interaction are required — the action runs automatically when the pull request is opened.\n\n### Affected configurations\n\nAny workflow using `wktk/conflibot` at a version earlier than `1.2.1`. The risk is highest under `pull_request_target` (the documented configuration), because that is where the write token and secrets are exposed to attacker-influenc","public_affected_ranges":["< 1.2.1"]}],"null_published_at":"2026-11-03T10:03:26.537Z","source_updated_at":"2026-08-17T13:35:08.000Z","source_disclosed_at":"2026-08-17T13:35:07.000Z","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":"2026-11-02T20:15:44.568Z"}],"next_cursor":null,"snapshot_revision":"42594"}