{"items":[{"id":"NVI-00005281","kind":"vulnerability","title":"Composer arbitrary command execution via a malicious package's Perforce source URL","revision":3,"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-rvx4-ffvw-m9q3","CVE-2026-84361"],"plain_summary":"OSV carries this publisher advisory for composer/composer, composer/composer. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.10.3 for composer/composer. Confirm the publisher’s latest guidance.","source_ids":["sr-895111a603f030b44e213b2c29c31900"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.2.30 for composer/composer. Confirm the publisher’s latest guidance.","source_ids":["sr-895111a603f030b44e213b2c29c31900"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-09ea1e40cf1594626fe8ce7166ab12a9"],"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":"2026-09-09T21:09:13.080Z","value":"7.7 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-68a1eb2303f9fa0a7f34c1fd3fb1ccad"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.502%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.43005. Missing scores are unknown.","source_id":"sr-09ea1e40cf1594626fe8ce7166ab12a9"}],"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-895111a603f030b44e213b2c29c31900","url":"https://github.com/advisories/GHSA-rvx4-ffvw-m9q3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rvx4-ffvw-m9q3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.367Z"},{"id":"sr-68a1eb2303f9fa0a7f34c1fd3fb1ccad","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84361","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-84361","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:58.008Z"},{"id":"sr-09ea1e40cf1594626fe8ce7166ab12a9","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-84361","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.385Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-895111a603f030b44e213b2c29c31900"],"technology":"composer/composer","known_exclusions":[],"conditions_summary":"## Summary\n\nIf the `p4` Perforce CLI client is installed, a malicious dependency package from a package repository allowing arbitrary perforce source URLs (packagist.org is safe) could execute arbitrary commands when running `composer install` or `composer update`. Composer passed a package's Perforce source address to the `p4` CLI client without validating it. The `p4` CLI client accepts addresses that mean \"run this local command\" instead of \"connect to this server\". This is remote code execution with the privileges of the user or CI account running Composer.\n\n## Am I affected?\n\nYou are only affected if all of the following are true:\n\n- The Perforce `p4` command line client is installed and on the `PATH` of the machine running Composer.\n- An attacker can control a package metadata's `source` section with a perforce type. Packagist.org does not allow perforce source metadata, so you are only exploitable if you rely on another Composer repository (any custom `composer`-type repository, or an inline `package` repository entry), or a `composer.lock` file you obtained from somewhere you do not trust.\n- The package gets installed from source, either because it has no dist artifact or b","public_affected_ranges":["ECOSYSTEM: introduced 2.3.0; fixed 2.10.3"]},{"certainty":"source_listed","source_ids":["sr-895111a603f030b44e213b2c29c31900"],"technology":"composer/composer","known_exclusions":[],"conditions_summary":"## Summary\n\nIf the `p4` Perforce CLI client is installed, a malicious dependency package from a package repository allowing arbitrary perforce source URLs (packagist.org is safe) could execute arbitrary commands when running `composer install` or `composer update`. Composer passed a package's Perforce source address to the `p4` CLI client without validating it. The `p4` CLI client accepts addresses that mean \"run this local command\" instead of \"connect to this server\". This is remote code execution with the privileges of the user or CI account running Composer.\n\n## Am I affected?\n\nYou are only affected if all of the following are true:\n\n- The Perforce `p4` command line client is installed and on the `PATH` of the machine running Composer.\n- An attacker can control a package metadata's `source` section with a perforce type. Packagist.org does not allow perforce source metadata, so you are only exploitable if you rely on another Composer repository (any custom `composer`-type repository, or an inline `package` repository entry), or a `composer.lock` file you obtained from somewhere you do not trust.\n- The package gets installed from source, either because it has no dist artifact or b","public_affected_ranges":["ECOSYSTEM: introduced 1.0; fixed 2.2.30"]}],"null_published_at":"2026-11-02T20:21:10.312Z","source_updated_at":"2026-09-08T21:30:05.586Z","source_disclosed_at":"2026-09-08T21:25:41.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.367Z"},{"id":"NVI-00005281","kind":"vulnerability","title":"Composer arbitrary command execution via a malicious package's Perforce source URL","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rvx4-ffvw-m9q3","CVE-2026-84361"],"plain_summary":"OSV carries this publisher advisory for composer/composer, composer/composer. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.10.3 for composer/composer. Confirm the publisher’s latest guidance.","source_ids":["sr-895111a603f030b44e213b2c29c31900"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.2.30 for composer/composer. Confirm the publisher’s latest guidance.","source_ids":["sr-895111a603f030b44e213b2c29c31900"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-09ea1e40cf1594626fe8ce7166ab12a9"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.502%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.43005. Missing scores are unknown.","source_id":"sr-09ea1e40cf1594626fe8ce7166ab12a9"}],"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-895111a603f030b44e213b2c29c31900","url":"https://github.com/advisories/GHSA-rvx4-ffvw-m9q3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rvx4-ffvw-m9q3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.367Z"},{"id":"sr-09ea1e40cf1594626fe8ce7166ab12a9","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-84361","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.385Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-895111a603f030b44e213b2c29c31900"],"technology":"composer/composer","known_exclusions":[],"conditions_summary":"## Summary\n\nIf the `p4` Perforce CLI client is installed, a malicious dependency package from a package repository allowing arbitrary perforce source URLs (packagist.org is safe) could execute arbitrary commands when running `composer install` or `composer update`. Composer passed a package's Perforce source address to the `p4` CLI client without validating it. The `p4` CLI client accepts addresses that mean \"run this local command\" instead of \"connect to this server\". This is remote code execution with the privileges of the user or CI account running Composer.\n\n## Am I affected?\n\nYou are only affected if all of the following are true:\n\n- The Perforce `p4` command line client is installed and on the `PATH` of the machine running Composer.\n- An attacker can control a package metadata's `source` section with a perforce type. Packagist.org does not allow perforce source metadata, so you are only exploitable if you rely on another Composer repository (any custom `composer`-type repository, or an inline `package` repository entry), or a `composer.lock` file you obtained from somewhere you do not trust.\n- The package gets installed from source, either because it has no dist artifact or b","public_affected_ranges":["ECOSYSTEM: introduced 2.3.0; fixed 2.10.3"]},{"certainty":"source_listed","source_ids":["sr-895111a603f030b44e213b2c29c31900"],"technology":"composer/composer","known_exclusions":[],"conditions_summary":"## Summary\n\nIf the `p4` Perforce CLI client is installed, a malicious dependency package from a package repository allowing arbitrary perforce source URLs (packagist.org is safe) could execute arbitrary commands when running `composer install` or `composer update`. Composer passed a package's Perforce source address to the `p4` CLI client without validating it. The `p4` CLI client accepts addresses that mean \"run this local command\" instead of \"connect to this server\". This is remote code execution with the privileges of the user or CI account running Composer.\n\n## Am I affected?\n\nYou are only affected if all of the following are true:\n\n- The Perforce `p4` command line client is installed and on the `PATH` of the machine running Composer.\n- An attacker can control a package metadata's `source` section with a perforce type. Packagist.org does not allow perforce source metadata, so you are only exploitable if you rely on another Composer repository (any custom `composer`-type repository, or an inline `package` repository entry), or a `composer.lock` file you obtained from somewhere you do not trust.\n- The package gets installed from source, either because it has no dist artifact or b","public_affected_ranges":["ECOSYSTEM: introduced 1.0; fixed 2.2.30"]}],"null_published_at":"2026-10-31T22:13:44.226Z","source_updated_at":"2026-09-08T21:30:05.586Z","source_disclosed_at":"2026-09-08T21:25:41.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:41.367Z"}],"next_cursor":null,"snapshot_revision":"42594"}