{"items":[{"id":"NVI-00011842","kind":"vulnerability","title":"Coraza: Unbounded recursion in JSON response body processor causes CPU exhaustion","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-3c6w-j9xm-8h2h","CVE-2026-107833"],"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-7c8fda7bb67b5c10434abeb281830168"],"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":"2026-10-09T17:40:17.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-41f8d4ad3a5470adef2c2788b682a1aa"},{"kind":"CVSS","as_of":"2026-10-16T17:16:41.300Z","value":"5.9 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5c09e35d3e95042abe9891f0fb1c8dd8"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.388%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32943. Missing scores are unknown.","source_id":"sr-7c8fda7bb67b5c10434abeb281830168"}],"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-41f8d4ad3a5470adef2c2788b682a1aa","url":"https://github.com/advisories/GHSA-3c6w-j9xm-8h2h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3c6w-j9xm-8h2h","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"},{"id":"sr-5c09e35d3e95042abe9891f0fb1c8dd8","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107833","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107833","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:29.490Z"},{"id":"sr-7c8fda7bb67b5c10434abeb281830168","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-2026-107833","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-41f8d4ad3a5470adef2c2788b682a1aa"],"technology":"github.com/corazawaf/coraza/v3","known_exclusions":[],"conditions_summary":"### Summary\n\nThe JSON response body processor parses response bodies with no recursion\nlimit. `ProcessResponse` calls `readJSON(ss, ignoreJSONRecursionLimit)`, and\nthat constant is `-1`. The guard in `readItems` only fires on `== 0`, so\ncounting down from `-1` (-2, -3, ...) never reaches it. The guard is effectively\ndead on the response path. The request path is fine: `ProcessRequest` passes the\nconfigured limit (default 1024). There is no equivalent directive or default for\nresponses.\n\nParsing a deeply nested JSON response is CPU-bound and its cost grows\nquadratically with nesting depth. A 512 KiB response (the default\n`ResponseBodyLimit`) holds about 87,000 nesting levels and takes ~12 s to\nprocess, keeping one core busy the whole time.\n\n### Root cause\n\n`internal/bodyprocessors/json.go`\n\n```go\nconst ignoreJSONRecursionLimit = -1                     // line 51\n\nfunc (js *jsonBodyProcessor) ProcessResponse(reader io.Reader, v ..., _ plugintypes.BodyProcessorOptions) error {\n    ...\n    data, err := readJSON(ss, ignoreJSONRecursionLimit) // line 62, passes -1\n}\n\nfunc (js *jsonBodyProcessor) ProcessRequest(...) error {\n    ...\n    data, err := readJSON(ss, bpo.RequestBodyRecursionLim","public_affected_ranges":[">= 3.0.0, < 3.8.0"]}],"null_published_at":"2026-11-07T07:07:42.459Z","source_updated_at":"2026-10-09T17:40:17.000Z","source_disclosed_at":"2026-10-08T17:51:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:58:23.763Z"},{"id":"NVI-00011842","kind":"vulnerability","title":"Coraza: Unbounded recursion in JSON response body processor causes CPU exhaustion","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3c6w-j9xm-8h2h","CVE-2026-107833"],"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-7c8fda7bb67b5c10434abeb281830168"],"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":"2026-10-09T17:40:17.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-41f8d4ad3a5470adef2c2788b682a1aa"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.388%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32943. Missing scores are unknown.","source_id":"sr-7c8fda7bb67b5c10434abeb281830168"}],"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-41f8d4ad3a5470adef2c2788b682a1aa","url":"https://github.com/advisories/GHSA-3c6w-j9xm-8h2h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3c6w-j9xm-8h2h","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"},{"id":"sr-7c8fda7bb67b5c10434abeb281830168","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-2026-107833","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-41f8d4ad3a5470adef2c2788b682a1aa"],"technology":"github.com/corazawaf/coraza/v3","known_exclusions":[],"conditions_summary":"### Summary\n\nThe JSON response body processor parses response bodies with no recursion\nlimit. `ProcessResponse` calls `readJSON(ss, ignoreJSONRecursionLimit)`, and\nthat constant is `-1`. The guard in `readItems` only fires on `== 0`, so\ncounting down from `-1` (-2, -3, ...) never reaches it. The guard is effectively\ndead on the response path. The request path is fine: `ProcessRequest` passes the\nconfigured limit (default 1024). There is no equivalent directive or default for\nresponses.\n\nParsing a deeply nested JSON response is CPU-bound and its cost grows\nquadratically with nesting depth. A 512 KiB response (the default\n`ResponseBodyLimit`) holds about 87,000 nesting levels and takes ~12 s to\nprocess, keeping one core busy the whole time.\n\n### Root cause\n\n`internal/bodyprocessors/json.go`\n\n```go\nconst ignoreJSONRecursionLimit = -1                     // line 51\n\nfunc (js *jsonBodyProcessor) ProcessResponse(reader io.Reader, v ..., _ plugintypes.BodyProcessorOptions) error {\n    ...\n    data, err := readJSON(ss, ignoreJSONRecursionLimit) // line 62, passes -1\n}\n\nfunc (js *jsonBodyProcessor) ProcessRequest(...) error {\n    ...\n    data, err := readJSON(ss, bpo.RequestBodyRecursionLim","public_affected_ranges":[">= 3.0.0, < 3.8.0"]}],"null_published_at":"2026-11-04T02:53:08.397Z","source_updated_at":"2026-10-09T17:40:17.000Z","source_disclosed_at":"2026-10-08T17:51:42.000Z","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":"2026-11-01T00:58:23.763Z"},{"id":"NVI-00011842","kind":"vulnerability","title":"Coraza: Unbounded recursion in JSON response body processor causes CPU exhaustion","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3c6w-j9xm-8h2h","CVE-2026-107833"],"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-41f8d4ad3a5470adef2c2788b682a1aa"],"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":"2026-10-09T17:40:17.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-41f8d4ad3a5470adef2c2788b682a1aa"}],"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-41f8d4ad3a5470adef2c2788b682a1aa","url":"https://github.com/advisories/GHSA-3c6w-j9xm-8h2h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3c6w-j9xm-8h2h","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-41f8d4ad3a5470adef2c2788b682a1aa"],"technology":"github.com/corazawaf/coraza/v3","known_exclusions":[],"conditions_summary":"### Summary\n\nThe JSON response body processor parses response bodies with no recursion\nlimit. `ProcessResponse` calls `readJSON(ss, ignoreJSONRecursionLimit)`, and\nthat constant is `-1`. The guard in `readItems` only fires on `== 0`, so\ncounting down from `-1` (-2, -3, ...) never reaches it. The guard is effectively\ndead on the response path. The request path is fine: `ProcessRequest` passes the\nconfigured limit (default 1024). There is no equivalent directive or default for\nresponses.\n\nParsing a deeply nested JSON response is CPU-bound and its cost grows\nquadratically with nesting depth. A 512 KiB response (the default\n`ResponseBodyLimit`) holds about 87,000 nesting levels and takes ~12 s to\nprocess, keeping one core busy the whole time.\n\n### Root cause\n\n`internal/bodyprocessors/json.go`\n\n```go\nconst ignoreJSONRecursionLimit = -1                     // line 51\n\nfunc (js *jsonBodyProcessor) ProcessResponse(reader io.Reader, v ..., _ plugintypes.BodyProcessorOptions) error {\n    ...\n    data, err := readJSON(ss, ignoreJSONRecursionLimit) // line 62, passes -1\n}\n\nfunc (js *jsonBodyProcessor) ProcessRequest(...) error {\n    ...\n    data, err := readJSON(ss, bpo.RequestBodyRecursionLim","public_affected_ranges":[">= 3.0.0, < 3.8.0"]}],"null_published_at":"2026-11-01T01:03:56.609Z","source_updated_at":"2026-10-09T17:40:17.000Z","source_disclosed_at":"2026-10-08T17:51:42.000Z","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":"2026-11-01T00:58:23.763Z"}],"next_cursor":null,"snapshot_revision":"42594"}