{"items":[{"id":"NVI-00006739","kind":"vulnerability","title":"PHAR deserialization allowing remote code execution","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-gq6w-q6wh-jggc","CVE-2023-28115"],"plain_summary":"OSV carries this publisher advisory for knplabs/knp-snappy. 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 1.4.2 for knplabs/knp-snappy. Confirm the publisher’s latest guidance.","source_ids":["sr-c118a3e8fd616098269f3dedb74eea03"],"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-5a1533727695a168774999c0de26e4f1"],"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":"2026-06-17T05:46:54.273Z","value":"9.8 CRITICAL (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-dbe66f445d066a33d7505d5e0c40899a"},{"kind":"CVSS","as_of":"2026-06-17T05:46:54.273Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-dbe66f445d066a33d7505d5e0c40899a"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"2.760%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.86265. Missing scores are unknown.","source_id":"sr-5a1533727695a168774999c0de26e4f1"}],"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-c118a3e8fd616098269f3dedb74eea03","url":"https://github.com/advisories/GHSA-gq6w-q6wh-jggc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-gq6w-q6wh-jggc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.420Z"},{"id":"sr-dbe66f445d066a33d7505d5e0c40899a","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28115","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2023-28115","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T00:58:29.087Z"},{"id":"sr-5a1533727695a168774999c0de26e4f1","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-2023-28115","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c118a3e8fd616098269f3dedb74eea03"],"technology":"knplabs/knp-snappy","known_exclusions":[],"conditions_summary":"## Description\n\nsnappy is vulnerable to PHAR deserialization due to a lack of checking on the protocol before passing it into the `file_exists()` function. If an attacker can upload files of any type to the server he can pass in the phar:// protocol to unserialize the uploaded file and instantiate arbitrary PHP objects. This can lead to remote code execution especially when snappy is used with frameworks with documented POP chains like Laravel/Symfony vulnerable developer code. If user can control the output file from the `generateFromHtml()` function, it will invoke deserialization.\n\n## Proof of Concept\n\nInstall Snappy via composer require `knplabs/knp-snappy`. After that, under snappy directory, create an `index.php` file with this vulnerable code.\n\n```php\ncallback, $this->fileName);\n    }\n}\n\n$snappy = new Pdf('/usr/local/bin/wkhtmltopdf');\n// generate pdf from html content and save it at phar://p","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.4.2"]}],"null_published_at":"2026-11-07T22:29:23.460Z","source_updated_at":"2026-09-10T03:50:08.071Z","source_disclosed_at":"2023-03-17T18:24:24.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:20.420Z"},{"id":"NVI-00006739","kind":"vulnerability","title":"PHAR deserialization allowing remote code execution","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gq6w-q6wh-jggc","CVE-2023-28115"],"plain_summary":"OSV carries this publisher advisory for knplabs/knp-snappy. 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 1.4.2 for knplabs/knp-snappy. Confirm the publisher’s latest guidance.","source_ids":["sr-c118a3e8fd616098269f3dedb74eea03"],"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-5a1533727695a168774999c0de26e4f1"],"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":"2.760%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.86265. Missing scores are unknown.","source_id":"sr-5a1533727695a168774999c0de26e4f1"}],"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-c118a3e8fd616098269f3dedb74eea03","url":"https://github.com/advisories/GHSA-gq6w-q6wh-jggc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-gq6w-q6wh-jggc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.420Z"},{"id":"sr-5a1533727695a168774999c0de26e4f1","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-2023-28115","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c118a3e8fd616098269f3dedb74eea03"],"technology":"knplabs/knp-snappy","known_exclusions":[],"conditions_summary":"## Description\n\nsnappy is vulnerable to PHAR deserialization due to a lack of checking on the protocol before passing it into the `file_exists()` function. If an attacker can upload files of any type to the server he can pass in the phar:// protocol to unserialize the uploaded file and instantiate arbitrary PHP objects. This can lead to remote code execution especially when snappy is used with frameworks with documented POP chains like Laravel/Symfony vulnerable developer code. If user can control the output file from the `generateFromHtml()` function, it will invoke deserialization.\n\n## Proof of Concept\n\nInstall Snappy via composer require `knplabs/knp-snappy`. After that, under snappy directory, create an `index.php` file with this vulnerable code.\n\n```php\ncallback, $this->fileName);\n    }\n}\n\n$snappy = new Pdf('/usr/local/bin/wkhtmltopdf');\n// generate pdf from html content and save it at phar://p","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.4.2"]}],"null_published_at":"2026-11-01T01:45:38.521Z","source_updated_at":"2026-09-10T03:50:08.071Z","source_disclosed_at":"2023-03-17T18:24:24.000Z","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":"2026-10-31T21:42:20.420Z"},{"id":"NVI-00006739","kind":"vulnerability","title":"PHAR deserialization allowing remote code execution","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gq6w-q6wh-jggc","CVE-2023-28115"],"plain_summary":"OSV carries this publisher advisory for knplabs/knp-snappy. 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 1.4.2 for knplabs/knp-snappy. Confirm the publisher’s latest guidance.","source_ids":["sr-c118a3e8fd616098269f3dedb74eea03"],"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}],"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-c118a3e8fd616098269f3dedb74eea03","url":"https://github.com/advisories/GHSA-gq6w-q6wh-jggc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-gq6w-q6wh-jggc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.420Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c118a3e8fd616098269f3dedb74eea03"],"technology":"knplabs/knp-snappy","known_exclusions":[],"conditions_summary":"## Description\n\nsnappy is vulnerable to PHAR deserialization due to a lack of checking on the protocol before passing it into the `file_exists()` function. If an attacker can upload files of any type to the server he can pass in the phar:// protocol to unserialize the uploaded file and instantiate arbitrary PHP objects. This can lead to remote code execution especially when snappy is used with frameworks with documented POP chains like Laravel/Symfony vulnerable developer code. If user can control the output file from the `generateFromHtml()` function, it will invoke deserialization.\n\n## Proof of Concept\n\nInstall Snappy via composer require `knplabs/knp-snappy`. After that, under snappy directory, create an `index.php` file with this vulnerable code.\n\n```php\ncallback, $this->fileName);\n    }\n}\n\n$snappy = new Pdf('/usr/local/bin/wkhtmltopdf');\n// generate pdf from html content and save it at phar://p","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.4.2"]}],"null_published_at":"2026-10-31T22:13:10.071Z","source_updated_at":"2026-09-10T03:50:08.071Z","source_disclosed_at":"2023-03-17T18:24:24.000Z","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":"2026-10-31T21:42:20.420Z"}],"next_cursor":null,"snapshot_revision":"42594"}