{"items":[{"id":"NVI-00015019","kind":"vulnerability","title":"go-git: Worktree operations may follow symlinks","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-hc8v-wwc9-vgxm","CVE-2026-71556"],"plain_summary":"GitHub lists this reviewed advisory for github.com/go-git/go-git/v5, github.com/go-git/go-git/v6. 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-37f25b1994011331fceb53f49e298cd0"],"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":"2026-08-07T16:38:18.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-08c7b38dfb5baefe89734f689de8572a"},{"kind":"CVSS","as_of":"2026-09-10T20:41:33.140Z","value":"7.1 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-37f25b1994011331fceb53f49e298cd0"}],"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-08c7b38dfb5baefe89734f689de8572a","url":"https://github.com/advisories/GHSA-hc8v-wwc9-vgxm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-hc8v-wwc9-vgxm","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T02:28:46.523Z"},{"id":"sr-37f25b1994011331fceb53f49e298cd0","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71556","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-71556","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T15:08:07.832Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-08c7b38dfb5baefe89734f689de8572a"],"technology":"github.com/go-git/go-git/v5","known_exclusions":[],"conditions_summary":"## Impact\n\nA symlink traversal issue in `go-git` could allow worktree operations to modify files outside the intended worktree path.\n\nThe `worktreeFilesystem` wrapper rejected dangerous path strings, including paths containing `.git`, parent-directory components, or control characters. However, it did not prevent filesystem operations from following symbolic links that were already present in the worktree.\n\nAs a result, a path that is safe when evaluated as a string could still resolve into the repository's Git metadata directory. For example, if `s` is a symbolic link to `.git`, writing to `s/config` would modify `.git/config`.\n\nA symbolic link at the final path component could also be followed. For example, if `s` points directly to `.git/config`, opening `s` for writing with truncation could overwrite the repository configuration.\n\nExploitation requires an attacker to be able to introduce or control a symbolic link in the worktree and cause the application to perform a write through that path.\n\nApplications using `storage/memory` for their Storer, or `go-billy/memfs` for their `Worktree`, are not affected by this vulnerability.\n\n## Patches\n\nThe issue has been addressed by making","public_affected_ranges":["<= 5.19.1"]},{"certainty":"source_listed","source_ids":["sr-08c7b38dfb5baefe89734f689de8572a"],"technology":"github.com/go-git/go-git/v6","known_exclusions":[],"conditions_summary":"## Impact\n\nA symlink traversal issue in `go-git` could allow worktree operations to modify files outside the intended worktree path.\n\nThe `worktreeFilesystem` wrapper rejected dangerous path strings, including paths containing `.git`, parent-directory components, or control characters. However, it did not prevent filesystem operations from following symbolic links that were already present in the worktree.\n\nAs a result, a path that is safe when evaluated as a string could still resolve into the repository's Git metadata directory. For example, if `s` is a symbolic link to `.git`, writing to `s/config` would modify `.git/config`.\n\nA symbolic link at the final path component could also be followed. For example, if `s` points directly to `.git/config`, opening `s` for writing with truncation could overwrite the repository configuration.\n\nExploitation requires an attacker to be able to introduce or control a symbolic link in the worktree and cause the application to perform a write through that path.\n\nApplications using `storage/memory` for their Storer, or `go-billy/memfs` for their `Worktree`, are not affected by this vulnerability.\n\n## Patches\n\nThe issue has been addressed by making","public_affected_ranges":["<= 6.0.0-alpha.4"]}],"null_published_at":"2026-11-08T19:53:44.049Z","source_updated_at":"2026-08-07T16:38:18.000Z","source_disclosed_at":"2026-08-07T16:38:15.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-03T02:28:46.523Z"},{"id":"NVI-00015019","kind":"vulnerability","title":"go-git: Worktree operations may follow symlinks","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-hc8v-wwc9-vgxm","CVE-2026-71556"],"plain_summary":"GitHub lists this reviewed advisory for github.com/go-git/go-git/v5, github.com/go-git/go-git/v6. 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-08c7b38dfb5baefe89734f689de8572a"],"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":"2026-08-07T16:38:18.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-08c7b38dfb5baefe89734f689de8572a"}],"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-08c7b38dfb5baefe89734f689de8572a","url":"https://github.com/advisories/GHSA-hc8v-wwc9-vgxm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-hc8v-wwc9-vgxm","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T02:28:46.523Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-08c7b38dfb5baefe89734f689de8572a"],"technology":"github.com/go-git/go-git/v5","known_exclusions":[],"conditions_summary":"## Impact\n\nA symlink traversal issue in `go-git` could allow worktree operations to modify files outside the intended worktree path.\n\nThe `worktreeFilesystem` wrapper rejected dangerous path strings, including paths containing `.git`, parent-directory components, or control characters. However, it did not prevent filesystem operations from following symbolic links that were already present in the worktree.\n\nAs a result, a path that is safe when evaluated as a string could still resolve into the repository's Git metadata directory. For example, if `s` is a symbolic link to `.git`, writing to `s/config` would modify `.git/config`.\n\nA symbolic link at the final path component could also be followed. For example, if `s` points directly to `.git/config`, opening `s` for writing with truncation could overwrite the repository configuration.\n\nExploitation requires an attacker to be able to introduce or control a symbolic link in the worktree and cause the application to perform a write through that path.\n\nApplications using `storage/memory` for their Storer, or `go-billy/memfs` for their `Worktree`, are not affected by this vulnerability.\n\n## Patches\n\nThe issue has been addressed by making","public_affected_ranges":["<= 5.19.1"]},{"certainty":"source_listed","source_ids":["sr-08c7b38dfb5baefe89734f689de8572a"],"technology":"github.com/go-git/go-git/v6","known_exclusions":[],"conditions_summary":"## Impact\n\nA symlink traversal issue in `go-git` could allow worktree operations to modify files outside the intended worktree path.\n\nThe `worktreeFilesystem` wrapper rejected dangerous path strings, including paths containing `.git`, parent-directory components, or control characters. However, it did not prevent filesystem operations from following symbolic links that were already present in the worktree.\n\nAs a result, a path that is safe when evaluated as a string could still resolve into the repository's Git metadata directory. For example, if `s` is a symbolic link to `.git`, writing to `s/config` would modify `.git/config`.\n\nA symbolic link at the final path component could also be followed. For example, if `s` points directly to `.git/config`, opening `s` for writing with truncation could overwrite the repository configuration.\n\nExploitation requires an attacker to be able to introduce or control a symbolic link in the worktree and cause the application to perform a write through that path.\n\nApplications using `storage/memory` for their Storer, or `go-billy/memfs` for their `Worktree`, are not affected by this vulnerability.\n\n## Patches\n\nThe issue has been addressed by making","public_affected_ranges":["<= 6.0.0-alpha.4"]}],"null_published_at":"2026-11-03T10:03:26.535Z","source_updated_at":"2026-08-07T16:38:18.000Z","source_disclosed_at":"2026-08-07T16:38:15.000Z","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":"2026-11-03T02:28:46.523Z"}],"next_cursor":null,"snapshot_revision":"42594"}