{"items":[{"id":"NVI-00012108","kind":"vulnerability","title":"Vikunja: Planka migration retains an unbounded aggregate of attacker-served attachments and can OOM the API","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-wq92-8x3r-fm38","CVE-2026-91970"],"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-40c1ee63fc34c9e205a94d542d4fa76e"],"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":"2026-09-16T19:49:18.987Z","value":"6.5 MEDIUM (3.1)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-40c1ee63fc34c9e205a94d542d4fa76e"},{"kind":"CVSS","as_of":"2026-09-16T19:49:18.987Z","value":"7.1 HIGH (4.0)","meaning":"disclosure@vulncheck.com severity; no combined Null risk score.","source_id":"sr-40c1ee63fc34c9e205a94d542d4fa76e"}],"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-a8f409e1011e196c32f6a2cc8239af35","url":"https://github.com/advisories/GHSA-wq92-8x3r-fm38","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wq92-8x3r-fm38","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:22.124Z"},{"id":"sr-40c1ee63fc34c9e205a94d542d4fa76e","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91970","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-91970","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:38.530Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a8f409e1011e196c32f6a2cc8239af35"],"technology":"code.vikunja.io/api","known_exclusions":[],"conditions_summary":"# Planka migration retains an unbounded aggregate of attacker-served attachments and can OOM the API\n\n## Summary\n\nThe always-registered Planka migration lets any ordinary user select a Planka server. Although Vikunja caps each JSON response, pagination loop, and attachment independently, it has no aggregate job budget. The conversion stage downloads every advertised non-link attachment and keeps every byte slice live until the complete hierarchy is inserted. A public attacker server can therefore drive memory beyond any finite service allocation. The final Docker run preserved default SSRF policy and OOM-killed the healthy API after five individually valid 20 MiB attachment responses.\n\n## Impact and affected scope\n\n- **Type:** Resource Exhaustion Dos\n- **Affected component:** POST /api/v2/migration/planka/migrate; Asynchronous migration.requested worker for the Planka migrator\n- **Preconditions:** A low-privilege Vikunja user supplies an attacker-operated public Planka URL and token. That server controls project/board/card/attachment counts and streams each attachment body at or below Vikunja's normal per-file limit.\n- **Verified revision:** `d66ef3d1a39c6f7289593059a1a34afd1d05926","public_affected_ranges":[">= 2.5.0, < 2.6.0"]}],"null_published_at":"2026-11-04T10:04:35.940Z","source_updated_at":"2026-10-09T20:53:26.000Z","source_disclosed_at":"2026-10-09T20:53:24.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T23:14:22.124Z"},{"id":"NVI-00012108","kind":"vulnerability","title":"Vikunja: Planka migration retains an unbounded aggregate of attacker-served attachments and can OOM the API","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wq92-8x3r-fm38","CVE-2026-91970"],"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-a8f409e1011e196c32f6a2cc8239af35"],"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-a8f409e1011e196c32f6a2cc8239af35","url":"https://github.com/advisories/GHSA-wq92-8x3r-fm38","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wq92-8x3r-fm38","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:22.124Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a8f409e1011e196c32f6a2cc8239af35"],"technology":"code.vikunja.io/api","known_exclusions":[],"conditions_summary":"# Planka migration retains an unbounded aggregate of attacker-served attachments and can OOM the API\n\n## Summary\n\nThe always-registered Planka migration lets any ordinary user select a Planka server. Although Vikunja caps each JSON response, pagination loop, and attachment independently, it has no aggregate job budget. The conversion stage downloads every advertised non-link attachment and keeps every byte slice live until the complete hierarchy is inserted. A public attacker server can therefore drive memory beyond any finite service allocation. The final Docker run preserved default SSRF policy and OOM-killed the healthy API after five individually valid 20 MiB attachment responses.\n\n## Impact and affected scope\n\n- **Type:** Resource Exhaustion Dos\n- **Affected component:** POST /api/v2/migration/planka/migrate; Asynchronous migration.requested worker for the Planka migrator\n- **Preconditions:** A low-privilege Vikunja user supplies an attacker-operated public Planka URL and token. That server controls project/board/card/attachment counts and streams each attachment body at or below Vikunja's normal per-file limit.\n- **Verified revision:** `d66ef3d1a39c6f7289593059a1a34afd1d05926","public_affected_ranges":[">= 2.5.0, < 2.6.0"]}],"null_published_at":"2026-11-01T01:03:56.631Z","source_updated_at":"2026-10-09T20:53:26.000Z","source_disclosed_at":"2026-10-09T20:53:24.000Z","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":"2026-10-31T23:14:22.124Z"}],"next_cursor":null,"snapshot_revision":"42594"}