{"items":[{"id":"NVI-00011818","kind":"vulnerability","title":"Coraza: Truncated multipart body bypasses MULTIPART_STRICT_ERROR (rule 200003) via silent io.ErrUnexpectedEOF handling","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-r3rm-qphw-hh76","CVE-2026-41508"],"plain_summary":"GitHub lists this reviewed advisory for github.com/corazawaf/coraza/v3. 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-43e325bb9ad24bb0eb876385cffd8782"],"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":"2026-10-06T20:37:55.000Z","value":"5.8 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-380df4c28246619df901c6b8417144d3"},{"kind":"CVSS","as_of":"2026-10-16T20:04:29.760Z","value":"5.8 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-43e325bb9ad24bb0eb876385cffd8782"}],"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-380df4c28246619df901c6b8417144d3","url":"https://github.com/advisories/GHSA-r3rm-qphw-hh76","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-r3rm-qphw-hh76","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-43e325bb9ad24bb0eb876385cffd8782","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41508","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-41508","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T22:35:05.894Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-380df4c28246619df901c6b8417144d3"],"technology":"github.com/corazawaf/coraza/v3","known_exclusions":[],"conditions_summary":"## Root Cause\n\nFile: `internal/bodyprocessors/multipart.go` (since commit `3347961b`, PR #1453 *\"feat: ignore unexpected EOF in MIME multipart request body processor\"*, merged 2026-03-06, first shipped in `v3.4.0`).\n\nThe multipart body processor treats `io.ErrUnexpectedEOF` as a benign condition. Three sites are affected; all mishandle the error the same way.\n\n### File branch, filesystem-backed (lines 71–77)\n\n```go\nsz, err := io.Copy(temp, p)\nif err != nil {\n    if !errors.Is(err, io.ErrUnexpectedEOF) {\n        v.MultipartStrictError().(*collections.Single).Set(\"1\")\n        return err\n    }\n    seenUnexpectedEOF = true     // <-- flag never set for UnexpectedEOF\n}\n```\n\n### File branch, TinyGo path (lines 82–88)\n\n```go\nsz, err := io.Copy(io.Discard, p)\nif err != nil {\n    if !errors.Is(err, io.ErrUnexpectedEOF) {\n        v.MultipartStrictError().(*collections.Single).Set(\"1\")\n        return err\n    }\n    seenUnexpectedEOF = true     // <-- same gap\n}\n```\n\n### Field branch (lines 102–113)\n\n```go\ndata, err := io.ReadAll(p)\nif err != nil {\n    if !errors.Is(err, io.ErrUnexpectedEOF) {\n        v.MultipartStrictError().(*collections.Single).Set(\"1\")\n        return err\n    }\n}\n...\nif erro","public_affected_ranges":[">= 3.4.0, <= 3.7.0"]}],"null_published_at":"2026-11-04T10:04:35.945Z","source_updated_at":"2026-10-06T20:37:55.000Z","source_disclosed_at":"2026-10-06T20:37:54.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011818","kind":"vulnerability","title":"Coraza: Truncated multipart body bypasses MULTIPART_STRICT_ERROR (rule 200003) via silent io.ErrUnexpectedEOF handling","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-r3rm-qphw-hh76","CVE-2026-41508"],"plain_summary":"GitHub lists this reviewed advisory for github.com/corazawaf/coraza/v3. 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-380df4c28246619df901c6b8417144d3"],"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":"2026-10-06T20:37:55.000Z","value":"5.8 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-380df4c28246619df901c6b8417144d3"}],"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-380df4c28246619df901c6b8417144d3","url":"https://github.com/advisories/GHSA-r3rm-qphw-hh76","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-r3rm-qphw-hh76","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-380df4c28246619df901c6b8417144d3"],"technology":"github.com/corazawaf/coraza/v3","known_exclusions":[],"conditions_summary":"## Root Cause\n\nFile: `internal/bodyprocessors/multipart.go` (since commit `3347961b`, PR #1453 *\"feat: ignore unexpected EOF in MIME multipart request body processor\"*, merged 2026-03-06, first shipped in `v3.4.0`).\n\nThe multipart body processor treats `io.ErrUnexpectedEOF` as a benign condition. Three sites are affected; all mishandle the error the same way.\n\n### File branch, filesystem-backed (lines 71–77)\n\n```go\nsz, err := io.Copy(temp, p)\nif err != nil {\n    if !errors.Is(err, io.ErrUnexpectedEOF) {\n        v.MultipartStrictError().(*collections.Single).Set(\"1\")\n        return err\n    }\n    seenUnexpectedEOF = true     // <-- flag never set for UnexpectedEOF\n}\n```\n\n### File branch, TinyGo path (lines 82–88)\n\n```go\nsz, err := io.Copy(io.Discard, p)\nif err != nil {\n    if !errors.Is(err, io.ErrUnexpectedEOF) {\n        v.MultipartStrictError().(*collections.Single).Set(\"1\")\n        return err\n    }\n    seenUnexpectedEOF = true     // <-- same gap\n}\n```\n\n### Field branch (lines 102–113)\n\n```go\ndata, err := io.ReadAll(p)\nif err != nil {\n    if !errors.Is(err, io.ErrUnexpectedEOF) {\n        v.MultipartStrictError().(*collections.Single).Set(\"1\")\n        return err\n    }\n}\n...\nif erro","public_affected_ranges":[">= 3.4.0, <= 3.7.0"]}],"null_published_at":"2026-11-01T01:03:56.607Z","source_updated_at":"2026-10-06T20:37:55.000Z","source_disclosed_at":"2026-10-06T20:37:54.000Z","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":"2026-11-01T00:59:16.959Z"}],"next_cursor":null,"snapshot_revision":"42594"}