{"items":[{"id":"NVI-00008246","kind":"vulnerability","title":"Grav vulnerable to Path traversal / arbitrary YAML write via user creation leading to Account Takeover / System Corruption","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-h756-wh59-hhjv","CVE-2025-66295"],"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 1.8.0-beta.27 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-fbdab14b9875d18924079381f3afbc15"],"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-49d62eee971593d2a0e1908aafe5037f"],"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":"2026-09-26T00:10:00.127Z","value":"8.8 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-49d62eee971593d2a0e1908aafe5037f"}],"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-fbdab14b9875d18924079381f3afbc15","url":"https://github.com/advisories/GHSA-h756-wh59-hhjv","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-h756-wh59-hhjv","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.426Z"},{"id":"sr-49d62eee971593d2a0e1908aafe5037f","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66295","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-66295","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T02:29:19.461Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-fbdab14b9875d18924079381f3afbc15"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nWhen a user with privilege of user creation creates a new user through the Admin UI and supplies a username containing path traversal sequences (for example ..\\Nijat or ../Nijat), Grav writes the account YAML file to an unintended path outside user/accounts/. The written YAML can contain account fields such as email, fullname, twofa_secret, and hashed_password. In my tests,  I was able to cause the Admin UI to write the following content into arbitrary .yaml files (including files like email.yaml, system.yaml, or other site YAML files like admin.yaml) — demonstrating arbitrary YAML write / overwrite via the Admin UI.\n\nExample observed content written by the Admin UI (test data):\nusername: ..\\Nijat\nstate: enabled\nemail: EMAIL@gmail.com\nfullname: 'Nijat Alizada'\nlanguage: en\ncontent_editor: default\ntwofa_enabled: false\ntwofa_secret: RWVEIHC2AFVD6FCR6UHCO3DS4HWXKKDT\navatar: { }\nhashed_password: $2y$10$wl9Ktv3vUmDKCt8o6u2oOuRZr1I04OE0YZf2sJ1QcAherbNnk1XVC\naccess:\nsite:\nlogin: true\n\n\n### Steps to Reproduce\n1. Log in to the Grav Admin UI as an administrator.\n2. Create a new user with the following values (example):\n        a. Username: ..\\POC-TOKEN-2","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.8.0-beta.27"]}],"null_published_at":"2026-11-05T19:10:23.240Z","source_updated_at":"2026-09-10T03:50:31.900Z","source_disclosed_at":"2025-12-02T01:23:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:20.426Z"},{"id":"NVI-00008246","kind":"vulnerability","title":"Grav vulnerable to Path traversal / arbitrary YAML write via user creation leading to Account Takeover / System Corruption","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-h756-wh59-hhjv","CVE-2025-66295"],"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 1.8.0-beta.27 for getgrav/grav. Confirm the publisher’s latest guidance.","source_ids":["sr-fbdab14b9875d18924079381f3afbc15"],"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-fbdab14b9875d18924079381f3afbc15","url":"https://github.com/advisories/GHSA-h756-wh59-hhjv","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-h756-wh59-hhjv","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.426Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-fbdab14b9875d18924079381f3afbc15"],"technology":"getgrav/grav","known_exclusions":[],"conditions_summary":"### Summary\nWhen a user with privilege of user creation creates a new user through the Admin UI and supplies a username containing path traversal sequences (for example ..\\Nijat or ../Nijat), Grav writes the account YAML file to an unintended path outside user/accounts/. The written YAML can contain account fields such as email, fullname, twofa_secret, and hashed_password. In my tests,  I was able to cause the Admin UI to write the following content into arbitrary .yaml files (including files like email.yaml, system.yaml, or other site YAML files like admin.yaml) — demonstrating arbitrary YAML write / overwrite via the Admin UI.\n\nExample observed content written by the Admin UI (test data):\nusername: ..\\Nijat\nstate: enabled\nemail: EMAIL@gmail.com\nfullname: 'Nijat Alizada'\nlanguage: en\ncontent_editor: default\ntwofa_enabled: false\ntwofa_secret: RWVEIHC2AFVD6FCR6UHCO3DS4HWXKKDT\navatar: { }\nhashed_password: $2y$10$wl9Ktv3vUmDKCt8o6u2oOuRZr1I04OE0YZf2sJ1QcAherbNnk1XVC\naccess:\nsite:\nlogin: true\n\n\n### Steps to Reproduce\n1. Log in to the Grav Admin UI as an administrator.\n2. Create a new user with the following values (example):\n        a. Username: ..\\POC-TOKEN-2","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.8.0-beta.27"]}],"null_published_at":"2026-10-31T22:13:22.836Z","source_updated_at":"2026-09-10T03:50:31.900Z","source_disclosed_at":"2025-12-02T01:23:05.000Z","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":"2026-10-31T21:42:20.426Z"}],"next_cursor":null,"snapshot_revision":"42594"}