{"cve":{"cve_id":"CVE-2026-68981","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00517,"epss_percentile":0.41776,"epss_as_of":"2026-08-26","description":"Apache NiFi 1.5.0 through 2.10.0 support gzip-encoded HTTP requests for the application REST API using a Jersey encoding filter. The framework enforced a configurable maximum request size on the compressed payload rather than the decompressed output, allowing a malicious client to send crafted requests that could consume excessive amounts of memory. Upgrading to Apache NiFi 2.11.0 is the recommended mitigation, which relocates response compression to Jetty Server and disables decompression of gzip-encoded HTTP requests.","published_at":"2026-08-03T19:59:58.955000Z","last_modified_at":"2026-08-05T14:59:30.577000Z","cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":8.8,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/S:P/AU:Y/R:U/V:C/RE:M/U:Amber","cvss_v4_severity":"HIGH","ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":["CWE-409"],"nvd_references":["https://lists.apache.org/thread/vxrqn7poyf1wx6gdy7c0dxqfqkctjngg"],"vuln_status":"Analyzed","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-08-03T21:17:26.050818Z","updated_at":"2026-08-06T20:16:20.006012Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"L","value_label":"Low"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"L","value_label":"Low"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"H","value_label":"High"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"P","value_label":"Physical"},{"metric":"AU","name":"AU","value":"Y","value_label":"Y"},{"metric":"R","name":"R","value":"U","value_label":"Unchanged"},{"metric":"V","name":"V","value":"C","value_label":"Changed"},{"metric":"RE","name":"RE","value":"M","value_label":"M"},{"metric":"U","name":"U","value":"Amber","value_label":"Amber"}]},"affected":[{"vendor_slug":"apache","vendor_name":"apache","product_slug":"nifi","product_name":"nifi","version_start":"1.5.0","version_start_inclusive":true,"version_end":"2.11.0","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*"},{"vendor_slug":"apache-software-foundation","vendor_name":"Apache Software Foundation","product_slug":"apache-nifi","product_name":"Apache NiFi","version_start":"1.5.0","version_start_inclusive":true,"version_end":"2.10.0","version_end_inclusive":true,"cpe23_uri":"cve5:apache-software-foundation:apache-nifi:1.5.0:2.10.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://lists.apache.org/thread/vxrqn7poyf1wx6gdy7c0dxqfqkctjngg","source_type":"MAILING_LIST","tags":["mailing-list"]}],"timeline":[{"type":"published","at":"2026-08-03T19:59:58.955000Z","label":"CVE published","source":null},{"type":"ssvc_changed","at":"2026-08-04T20:41:38.287317Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-08-04T20:41:38.287317Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-08-04T20:41:38.287317Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"cvss_changed","at":"2026-08-06T20:16:20.006012Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-08-06T20:16:20.006012Z","label":"CVSS score revised","source":"nvd"},{"type":"cvss_changed","at":"2026-08-06T20:16:20.006012Z","label":"CVSS score revised","source":"nvd"}]}