{"items":[{"id":"NVI-00005877","kind":"vulnerability","title":"Grav: Decompression-bomb size cap bypassed by forged ZIP size in ZipArchiver/Installer","revision":4,"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-8h9x-89f2-m7x3","CVE-2026-61449"],"plain_summary":"OSV carries this publisher advisory for getgrav/grav. 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 2.0.2 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-a00aad7c45474b7a06dca1a4452dffc6"],"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-2bd5678d46208c75e34290086ec29b78"],"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":"2026-10-24T21:10:00.130Z","value":"6.5 MEDIUM (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-d3ed192698082efc3c2885361c7e6528"},{"kind":"CVSS","as_of":"2026-10-24T21:10:00.130Z","value":"7.1 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-d3ed192698082efc3c2885361c7e6528"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.299%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.22572. Missing scores are unknown.","source_id":"sr-2bd5678d46208c75e34290086ec29b78"}],"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-a00aad7c45474b7a06dca1a4452dffc6","url":"https://github.com/advisories/GHSA-8h9x-89f2-m7x3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8h9x-89f2-m7x3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.670Z"},{"id":"sr-d3ed192698082efc3c2885361c7e6528","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61449","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-61449","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:49.802Z"},{"id":"sr-2bd5678d46208c75e34290086ec29b78","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-2026-61449","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.284Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a00aad7c45474b7a06dca1a4452dffc6"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\n\nThe decompression-bomb bound added in 2.0.1 (commit 1c1003c) sums `ZipArchive::statIndex($i)['size']` and rejects an archive whose declared uncompressed total exceeds `system.gpm.archive.max_uncompressed_size` (default 1 GiB) before extracting (`ZipArchiver.php:77-86`; same logic in `GPM\\Installer::unZip` at `Installer.php:228-238`). `statIndex()['size']` is the uncompressed size declared in the ZIP central directory, which is attacker-forgeable and is not checked against the actual inflated stream. An archive declaring 1 byte per entry passes the cap while `extractTo()` writes the real (large) content. The entry-count and nesting-depth caps count real structure and still hold; only the size dimension is defeated, so the disk-fill / inode-exhaustion case the bound targets is not prevented. Incomplete fix for GHSA-928x-9mpw-8h56.\n\n### Details\n\n`extract()`/`unZip()` validate every entry up front, then call `Folder::create` + `extractTo`. The size check is:\n\n```php\n$totalSize += (int) $stat['size'];          // declared central-directory size\nif ($maxSize > 0 && $totalSize > $maxSize) { ... reject ... }\n```\n\n`$stat['size']` is read from the central directory, which the ar","public_affected_ranges":["ECOSYSTEM: introduced 2.0.1; fixed 2.0.2"]}],"null_published_at":"2026-11-07T22:29:23.447Z","source_updated_at":"2026-09-17T15:00:05.915Z","source_disclosed_at":"2026-09-17T14:53:33.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.670Z"},{"id":"NVI-00005877","kind":"vulnerability","title":"Grav: Decompression-bomb size cap bypassed by forged ZIP size in ZipArchiver/Installer","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8h9x-89f2-m7x3","CVE-2026-61449"],"plain_summary":"OSV carries this publisher advisory for getgrav/grav. 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 2.0.2 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-a00aad7c45474b7a06dca1a4452dffc6"],"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-2bd5678d46208c75e34290086ec29b78"],"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":"2026-11-01T12:00:16.000Z","value":"0.299%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.22572. Missing scores are unknown.","source_id":"sr-2bd5678d46208c75e34290086ec29b78"}],"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-a00aad7c45474b7a06dca1a4452dffc6","url":"https://github.com/advisories/GHSA-8h9x-89f2-m7x3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8h9x-89f2-m7x3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.670Z"},{"id":"sr-2bd5678d46208c75e34290086ec29b78","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-2026-61449","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.284Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a00aad7c45474b7a06dca1a4452dffc6"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\n\nThe decompression-bomb bound added in 2.0.1 (commit 1c1003c) sums `ZipArchive::statIndex($i)['size']` and rejects an archive whose declared uncompressed total exceeds `system.gpm.archive.max_uncompressed_size` (default 1 GiB) before extracting (`ZipArchiver.php:77-86`; same logic in `GPM\\Installer::unZip` at `Installer.php:228-238`). `statIndex()['size']` is the uncompressed size declared in the ZIP central directory, which is attacker-forgeable and is not checked against the actual inflated stream. An archive declaring 1 byte per entry passes the cap while `extractTo()` writes the real (large) content. The entry-count and nesting-depth caps count real structure and still hold; only the size dimension is defeated, so the disk-fill / inode-exhaustion case the bound targets is not prevented. Incomplete fix for GHSA-928x-9mpw-8h56.\n\n### Details\n\n`extract()`/`unZip()` validate every entry up front, then call `Folder::create` + `extractTo`. The size check is:\n\n```php\n$totalSize += (int) $stat['size'];          // declared central-directory size\nif ($maxSize > 0 && $totalSize > $maxSize) { ... reject ... }\n```\n\n`$stat['size']` is read from the central directory, which the ar","public_affected_ranges":["ECOSYSTEM: introduced 2.0.1; fixed 2.0.2"]}],"null_published_at":"2026-11-06T15:18:11.458Z","source_updated_at":"2026-09-17T15:00:05.915Z","source_disclosed_at":"2026-09-17T14:53:33.000Z","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":"2026-10-31T21:42:10.670Z"},{"id":"NVI-00005877","kind":"vulnerability","title":"Grav: Decompression-bomb size cap bypassed by forged ZIP size in ZipArchiver/Installer","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8h9x-89f2-m7x3","CVE-2026-61449"],"plain_summary":"OSV carries this publisher advisory for getgrav/grav. 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 2.0.2 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-a00aad7c45474b7a06dca1a4452dffc6"],"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-6b81dafb5de7cb5150fd85ac03c6de19"],"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":"0.299%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.22574. Missing scores are unknown.","source_id":"sr-6b81dafb5de7cb5150fd85ac03c6de19"}],"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-a00aad7c45474b7a06dca1a4452dffc6","url":"https://github.com/advisories/GHSA-8h9x-89f2-m7x3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8h9x-89f2-m7x3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.670Z"},{"id":"sr-6b81dafb5de7cb5150fd85ac03c6de19","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-2026-61449","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.383Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a00aad7c45474b7a06dca1a4452dffc6"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\n\nThe decompression-bomb bound added in 2.0.1 (commit 1c1003c) sums `ZipArchive::statIndex($i)['size']` and rejects an archive whose declared uncompressed total exceeds `system.gpm.archive.max_uncompressed_size` (default 1 GiB) before extracting (`ZipArchiver.php:77-86`; same logic in `GPM\\Installer::unZip` at `Installer.php:228-238`). `statIndex()['size']` is the uncompressed size declared in the ZIP central directory, which is attacker-forgeable and is not checked against the actual inflated stream. An archive declaring 1 byte per entry passes the cap while `extractTo()` writes the real (large) content. The entry-count and nesting-depth caps count real structure and still hold; only the size dimension is defeated, so the disk-fill / inode-exhaustion case the bound targets is not prevented. Incomplete fix for GHSA-928x-9mpw-8h56.\n\n### Details\n\n`extract()`/`unZip()` validate every entry up front, then call `Folder::create` + `extractTo`. The size check is:\n\n```php\n$totalSize += (int) $stat['size'];          // declared central-directory size\nif ($maxSize > 0 && $totalSize > $maxSize) { ... reject ... }\n```\n\n`$stat['size']` is read from the central directory, which the ar","public_affected_ranges":["ECOSYSTEM: introduced 2.0.1; fixed 2.0.2"]}],"null_published_at":"2026-11-01T19:14:01.570Z","source_updated_at":"2026-09-17T15:00:05.915Z","source_disclosed_at":"2026-09-17T14:53:33.000Z","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":"2026-10-31T21:42:10.670Z"},{"id":"NVI-00005877","kind":"vulnerability","title":"Grav: Decompression-bomb size cap bypassed by forged ZIP size in ZipArchiver/Installer","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-8h9x-89f2-m7x3","CVE-2026-61449"],"plain_summary":"OSV carries this publisher advisory for getgrav/grav. 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 2.0.2 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-a00aad7c45474b7a06dca1a4452dffc6"],"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-a00aad7c45474b7a06dca1a4452dffc6","url":"https://github.com/advisories/GHSA-8h9x-89f2-m7x3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-8h9x-89f2-m7x3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.670Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a00aad7c45474b7a06dca1a4452dffc6"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\n\nThe decompression-bomb bound added in 2.0.1 (commit 1c1003c) sums `ZipArchive::statIndex($i)['size']` and rejects an archive whose declared uncompressed total exceeds `system.gpm.archive.max_uncompressed_size` (default 1 GiB) before extracting (`ZipArchiver.php:77-86`; same logic in `GPM\\Installer::unZip` at `Installer.php:228-238`). `statIndex()['size']` is the uncompressed size declared in the ZIP central directory, which is attacker-forgeable and is not checked against the actual inflated stream. An archive declaring 1 byte per entry passes the cap while `extractTo()` writes the real (large) content. The entry-count and nesting-depth caps count real structure and still hold; only the size dimension is defeated, so the disk-fill / inode-exhaustion case the bound targets is not prevented. Incomplete fix for GHSA-928x-9mpw-8h56.\n\n### Details\n\n`extract()`/`unZip()` validate every entry up front, then call `Folder::create` + `extractTo`. The size check is:\n\n```php\n$totalSize += (int) $stat['size'];          // declared central-directory size\nif ($maxSize > 0 && $totalSize > $maxSize) { ... reject ... }\n```\n\n`$stat['size']` is read from the central directory, which the ar","public_affected_ranges":["ECOSYSTEM: introduced 2.0.1; fixed 2.0.2"]}],"null_published_at":"2026-10-31T22:13:05.842Z","source_updated_at":"2026-09-17T15:00:05.915Z","source_disclosed_at":"2026-09-17T14:53:33.000Z","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":"2026-10-31T21:42:10.670Z"}],"next_cursor":null,"snapshot_revision":"42594"}