{"items":[{"id":"NVI-00007139","kind":"vulnerability","title":"Grav Vulnerable to Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic","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-rr73-568v-28f8","CVE-2026-42609"],"plain_summary":"GitHub lists this reviewed advisory for getgrav/grav. 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-866c1f68936f5e745bdf46e679943654"],"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},{"summary":"The original advisory lists fixed boundaries 2.0.0-beta.2 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-d05f17ae419164a4d1240c1a41a9ac5c"],"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":[{"kind":"CVSS","as_of":"2026-05-13T13:52:31.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1613a2f572eedc8622447f921d19088a"},{"kind":"CVSS","as_of":"2026-10-26T18:10:00.173Z","value":"8.1 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-059b300f215974511a789018c3cb65bd"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.463%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.40151. Missing scores are unknown.","source_id":"sr-866c1f68936f5e745bdf46e679943654"}],"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-1613a2f572eedc8622447f921d19088a","url":"https://github.com/advisories/GHSA-rr73-568v-28f8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rr73-568v-28f8","publisher":"GitHub Advisory Database","observed_at":"2026-11-08T15:08:00.152Z"},{"id":"sr-d05f17ae419164a4d1240c1a41a9ac5c","url":"https://github.com/advisories/GHSA-rr73-568v-28f8","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rr73-568v-28f8","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.366Z"},{"id":"sr-059b300f215974511a789018c3cb65bd","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42609","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-42609","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:02.489Z"},{"id":"sr-866c1f68936f5e745bdf46e679943654","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-2026-42609","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.378Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1613a2f572eedc8622447f921d19088a"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nA business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account.\n\n### Details\nThe vulnerability stems from an insecure \"Create or Update\" logic within the user management module. When the admin-addon handles a user creation request, it does not strictly validate whether the username is already taken by a higher-privileged account. Instead of returning a \"409 Conflict\" or a validation error, the application logic proceeds to overwrite the existing user configuration file (e.g., user/accounts/root0.yaml) with the new, lower-privileged data provided by the attacker.\nBecause the attacker cannot assign higher permissions to themselves (due to existing fixes), the result is that the targeted account (the original Admin/Root) has its access levels wiped or replaced by the attacker","public_affected_ranges":["< 2.0.0-beta.2"]},{"certainty":"source_listed","source_ids":["sr-d05f17ae419164a4d1240c1a41a9ac5c"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nA business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account.\n\n### Details\nThe vulnerability stems from an insecure \"Create or Update\" logic within the user management module. When the admin-addon handles a user creation request, it does not strictly validate whether the username is already taken by a higher-privileged account. Instead of returning a \"409 Conflict\" or a validation error, the application logic proceeds to overwrite the existing user configuration file (e.g., user/accounts/root0.yaml) with the new, lower-privileged data provided by the attacker.\nBecause the attacker cannot assign higher permissions to themselves (due to existing fixes), the result is that the targeted account (the original Admin/Root) has its access levels wiped or replaced by the attacker","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.0.0-beta.2"]}],"null_published_at":"2026-11-08T15:11:47.448Z","source_updated_at":"2026-05-13T13:52:31.000Z","source_disclosed_at":"2026-05-05T21:29:53.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.366Z"},{"id":"NVI-00007139","kind":"vulnerability","title":"Grav Vulnerable to Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic","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-rr73-568v-28f8","CVE-2026-42609"],"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 2.0.0-beta.2 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-d05f17ae419164a4d1240c1a41a9ac5c"],"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-866c1f68936f5e745bdf46e679943654"],"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":"2026-10-26T18:10:00.173Z","value":"8.1 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-059b300f215974511a789018c3cb65bd"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.463%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.40151. Missing scores are unknown.","source_id":"sr-866c1f68936f5e745bdf46e679943654"}],"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-d05f17ae419164a4d1240c1a41a9ac5c","url":"https://github.com/advisories/GHSA-rr73-568v-28f8","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rr73-568v-28f8","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.366Z"},{"id":"sr-059b300f215974511a789018c3cb65bd","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42609","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-42609","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:02.489Z"},{"id":"sr-866c1f68936f5e745bdf46e679943654","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-2026-42609","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.378Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d05f17ae419164a4d1240c1a41a9ac5c"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nA business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account.\n\n### Details\nThe vulnerability stems from an insecure \"Create or Update\" logic within the user management module. When the admin-addon handles a user creation request, it does not strictly validate whether the username is already taken by a higher-privileged account. Instead of returning a \"409 Conflict\" or a validation error, the application logic proceeds to overwrite the existing user configuration file (e.g., user/accounts/root0.yaml) with the new, lower-privileged data provided by the attacker.\nBecause the attacker cannot assign higher permissions to themselves (due to existing fixes), the result is that the targeted account (the original Admin/Root) has its access levels wiped or replaced by the attacker","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.0.0-beta.2"]}],"null_published_at":"2026-11-03T02:33:09.114Z","source_updated_at":"2026-09-10T03:50:47.623Z","source_disclosed_at":"2026-05-05T21:29:53.000Z","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":"2026-10-31T21:42:41.366Z"},{"id":"NVI-00007139","kind":"vulnerability","title":"Grav Vulnerable to Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic","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-rr73-568v-28f8","CVE-2026-42609"],"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 2.0.0-beta.2 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-d05f17ae419164a4d1240c1a41a9ac5c"],"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-059b300f215974511a789018c3cb65bd"],"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":"2026-10-26T18:10:00.173Z","value":"8.1 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-059b300f215974511a789018c3cb65bd"}],"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-d05f17ae419164a4d1240c1a41a9ac5c","url":"https://github.com/advisories/GHSA-rr73-568v-28f8","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rr73-568v-28f8","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.366Z"},{"id":"sr-059b300f215974511a789018c3cb65bd","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42609","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-42609","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:02.489Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d05f17ae419164a4d1240c1a41a9ac5c"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nA business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account.\n\n### Details\nThe vulnerability stems from an insecure \"Create or Update\" logic within the user management module. When the admin-addon handles a user creation request, it does not strictly validate whether the username is already taken by a higher-privileged account. Instead of returning a \"409 Conflict\" or a validation error, the application logic proceeds to overwrite the existing user configuration file (e.g., user/accounts/root0.yaml) with the new, lower-privileged data provided by the attacker.\nBecause the attacker cannot assign higher permissions to themselves (due to existing fixes), the result is that the targeted account (the original Admin/Root) has its access levels wiped or replaced by the attacker","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.0.0-beta.2"]}],"null_published_at":"2026-11-01T14:34:07.504Z","source_updated_at":"2026-09-10T03:50:47.623Z","source_disclosed_at":"2026-05-05T21:29:53.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.366Z"},{"id":"NVI-00007139","kind":"vulnerability","title":"Grav Vulnerable to Administrative Account Disruption and Privilege De-escalation via User Overwrite Logic","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rr73-568v-28f8","CVE-2026-42609"],"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 2.0.0-beta.2 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-d05f17ae419164a4d1240c1a41a9ac5c"],"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-d05f17ae419164a4d1240c1a41a9ac5c","url":"https://github.com/advisories/GHSA-rr73-568v-28f8","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rr73-568v-28f8","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.366Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-d05f17ae419164a4d1240c1a41a9ac5c"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nA business logic vulnerability in the Grav Admin Panel allows a low-privileged user (with only user creation permissions) to overwrite existing accounts, including the primary administrator. By creating a new user with a username that already exists, the system updates the existing account's metadata and permissions instead of rejecting the request. This leads to a Denial of Service (DoS) on administrative functions and Privilege De-escalation of the root account.\n\n### Details\nThe vulnerability stems from an insecure \"Create or Update\" logic within the user management module. When the admin-addon handles a user creation request, it does not strictly validate whether the username is already taken by a higher-privileged account. Instead of returning a \"409 Conflict\" or a validation error, the application logic proceeds to overwrite the existing user configuration file (e.g., user/accounts/root0.yaml) with the new, lower-privileged data provided by the attacker.\nBecause the attacker cannot assign higher permissions to themselves (due to existing fixes), the result is that the targeted account (the original Admin/Root) has its access levels wiped or replaced by the attacker","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.0.0-beta.2"]}],"null_published_at":"2026-10-31T22:13:14.313Z","source_updated_at":"2026-09-10T03:50:47.623Z","source_disclosed_at":"2026-05-05T21:29:53.000Z","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":"2026-10-31T21:42:41.366Z"}],"next_cursor":null,"snapshot_revision":"42594"}