{"items":[{"id":"NVI-00014126","kind":"vulnerability","title":"Vikunja has a project duplication bypasses write-permission check on the target parent project","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-f27p-pw2p-9pr4","CVE-2026-54766"],"plain_summary":"GitHub lists this reviewed advisory for code.vikunja.io/api. 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-14101bf02a92d013d5247e85d32adfef"],"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":"5.3 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-4d5f54a13a60968042def546fe10845c"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.427%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36998. Missing scores are unknown.","source_id":"sr-14101bf02a92d013d5247e85d32adfef"}],"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-4cd748ed6c5045cac4cf99e7fd41d450","url":"https://github.com/advisories/GHSA-f27p-pw2p-9pr4","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-f27p-pw2p-9pr4","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"},{"id":"sr-4d5f54a13a60968042def546fe10845c","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54766","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-54766","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T01:48:19.229Z"},{"id":"sr-14101bf02a92d013d5247e85d32adfef","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-2026-54766","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.857Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4cd748ed6c5045cac4cf99e7fd41d450"],"technology":"code.vikunja.io/api","known_exclusions":[],"conditions_summary":"## Summary\n\nThe project-duplication endpoint fails to enforce write access to the target parent project. Any authenticated (non-link-share) user can duplicate a project they can read into **any** parent project on the instance, regardless of whether they have write access to that parent — injecting an attacker-owned project into another user's or team's project hierarchy.\n\n## Details\n\n`ProjectDuplicate.CanCreate` (`pkg/models/project_duplicate.go`) is meant to require write access to the parent the duplicate is placed under — its own comment says \"Parent project exists + user has write access\". The implementation does neither correctly:\n\n```go\nfunc (pd *ProjectDuplicate) CanCreate(s *xorm.Session, a web.Auth) (canCreate bool, err error) {\n    pd.Project = &Project{ID: pd.ProjectID}\n    canRead, _, err := pd.Project.CanRead(s, a)\n    if err != nil || !canRead {\n        return canRead, err\n    }\n    if pd.ParentProjectID == 0 {\n        return canRead, err\n    }\n    // Parent project exists + user has write access to is (-> can create new projects)\n    parent := &Project{ID: pd.ParentProjectID}\n    return parent.CanCreate(s, a)   // <-- bug\n}\n```\n\nTwo defects compound here:\n\n1. **Wron","public_affected_ranges":[">= 0.21.0, <= 2.3.0"]}],"null_published_at":"2026-11-08T19:53:44.056Z","source_updated_at":"2026-08-28T16:37:27.000Z","source_disclosed_at":"2026-08-28T16:37:26.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T09:56:23.004Z"},{"id":"NVI-00014126","kind":"vulnerability","title":"Vikunja has a project duplication bypasses write-permission check on the target parent project","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-f27p-pw2p-9pr4","CVE-2026-54766"],"plain_summary":"GitHub lists this reviewed advisory for code.vikunja.io/api. 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-14101bf02a92d013d5247e85d32adfef"],"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":"2026-11-02T12:00:30.000Z","value":"0.427%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36998. Missing scores are unknown.","source_id":"sr-14101bf02a92d013d5247e85d32adfef"}],"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-4cd748ed6c5045cac4cf99e7fd41d450","url":"https://github.com/advisories/GHSA-f27p-pw2p-9pr4","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-f27p-pw2p-9pr4","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"},{"id":"sr-14101bf02a92d013d5247e85d32adfef","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-2026-54766","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.857Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4cd748ed6c5045cac4cf99e7fd41d450"],"technology":"code.vikunja.io/api","known_exclusions":[],"conditions_summary":"## Summary\n\nThe project-duplication endpoint fails to enforce write access to the target parent project. Any authenticated (non-link-share) user can duplicate a project they can read into **any** parent project on the instance, regardless of whether they have write access to that parent — injecting an attacker-owned project into another user's or team's project hierarchy.\n\n## Details\n\n`ProjectDuplicate.CanCreate` (`pkg/models/project_duplicate.go`) is meant to require write access to the parent the duplicate is placed under — its own comment says \"Parent project exists + user has write access\". The implementation does neither correctly:\n\n```go\nfunc (pd *ProjectDuplicate) CanCreate(s *xorm.Session, a web.Auth) (canCreate bool, err error) {\n    pd.Project = &Project{ID: pd.ProjectID}\n    canRead, _, err := pd.Project.CanRead(s, a)\n    if err != nil || !canRead {\n        return canRead, err\n    }\n    if pd.ParentProjectID == 0 {\n        return canRead, err\n    }\n    // Parent project exists + user has write access to is (-> can create new projects)\n    parent := &Project{ID: pd.ParentProjectID}\n    return parent.CanCreate(s, a)   // <-- bug\n}\n```\n\nTwo defects compound here:\n\n1. **Wron","public_affected_ranges":[">= 0.21.0, <= 2.3.0"]}],"null_published_at":"2026-11-04T10:04:47.617Z","source_updated_at":"2026-08-28T16:37:27.000Z","source_disclosed_at":"2026-08-28T16:37:26.000Z","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":"2026-11-02T09:56:23.004Z"},{"id":"NVI-00014126","kind":"vulnerability","title":"Vikunja has a project duplication bypasses write-permission check on the target parent project","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-f27p-pw2p-9pr4","CVE-2026-54766"],"plain_summary":"GitHub lists this reviewed advisory for code.vikunja.io/api. 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-4cd748ed6c5045cac4cf99e7fd41d450"],"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":[],"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-4cd748ed6c5045cac4cf99e7fd41d450","url":"https://github.com/advisories/GHSA-f27p-pw2p-9pr4","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-f27p-pw2p-9pr4","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:23.004Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4cd748ed6c5045cac4cf99e7fd41d450"],"technology":"code.vikunja.io/api","known_exclusions":[],"conditions_summary":"## Summary\n\nThe project-duplication endpoint fails to enforce write access to the target parent project. Any authenticated (non-link-share) user can duplicate a project they can read into **any** parent project on the instance, regardless of whether they have write access to that parent — injecting an attacker-owned project into another user's or team's project hierarchy.\n\n## Details\n\n`ProjectDuplicate.CanCreate` (`pkg/models/project_duplicate.go`) is meant to require write access to the parent the duplicate is placed under — its own comment says \"Parent project exists + user has write access\". The implementation does neither correctly:\n\n```go\nfunc (pd *ProjectDuplicate) CanCreate(s *xorm.Session, a web.Auth) (canCreate bool, err error) {\n    pd.Project = &Project{ID: pd.ProjectID}\n    canRead, _, err := pd.Project.CanRead(s, a)\n    if err != nil || !canRead {\n        return canRead, err\n    }\n    if pd.ParentProjectID == 0 {\n        return canRead, err\n    }\n    // Parent project exists + user has write access to is (-> can create new projects)\n    parent := &Project{ID: pd.ParentProjectID}\n    return parent.CanCreate(s, a)   // <-- bug\n}\n```\n\nTwo defects compound here:\n\n1. **Wron","public_affected_ranges":[">= 0.21.0, <= 2.3.0"]}],"null_published_at":"2026-11-02T10:00:37.210Z","source_updated_at":"2026-08-28T16:37:27.000Z","source_disclosed_at":"2026-08-28T16:37:26.000Z","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":"2026-11-02T09:56:23.004Z"}],"next_cursor":null,"snapshot_revision":"42594"}