{"schema_version":1,"title":"json (RubyGems) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 4 vulnerabilities in json (RubyGems): 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-71847, was published on 7 August 2026.","url":"https://junglewise.ai/threats/technologies/rubygems-json","json_url":"https://junglewise.ai/threats/technologies/rubygems-json.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/rubygems-json","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":4,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":2,"last_365_days":2},"latest":[{"cve":"CVE-2026-71847","cvss":5.3,"epss":0.0043,"slug":"cve-2026-71847-ruby-json-heap-use-after-free-in-resumableparser","title":"Ruby JSON heap-use-after-free in ResumableParser","severity":"low","exploited":false,"published_at":"2026-08-07T18:33:12+00:00","url":"https://junglewise.ai/threats/cve-2026-71847-ruby-json-heap-use-after-free-in-resumableparser"},{"cve":"CVE-2026-54696","cvss":3.7,"epss":0.0038,"slug":"cve-2026-54696-ruby-json-heap-buffer-overflow-in-json-generator-streaming","title":"Ruby JSON heap buffer overflow in JSON generator streaming","severity":"low","exploited":false,"published_at":"2026-06-30T23:17:28.123+00:00","url":"https://junglewise.ai/threats/cve-2026-54696-ruby-json-heap-buffer-overflow-in-json-generator-streaming"},{"cve":"CVE-2025-27788","cvss":3.1,"epss":0.0071,"slug":"cve-2025-27788-out-of-bounds-read-in-ruby-json-parser","title":"Out-of-bounds Read in Ruby JSON Parser","severity":"low","exploited":false,"published_at":"2025-03-12T15:35:23+00:00","url":"https://junglewise.ai/threats/cve-2025-27788-out-of-bounds-read-in-ruby-json-parser"},{"cve":"CVE-2020-10663","cvss":3.1,"epss":0.0681,"slug":"cve-2020-10663-unsafe-object-creation-in-json-rubygem","title":"Unsafe object creation in json RubyGem","severity":"low","exploited":false,"published_at":"2020-07-27T18:08:21+00:00","url":"https://junglewise.ai/threats/cve-2020-10663-unsafe-object-creation-in-json-rubygem"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"nokogiri (RubyGems)","slug":"nokogiri","vulnerabilities":73,"url":"https://junglewise.ai/threats/technologies/nokogiri"},{"name":"rack (RubyGems)","slug":"rack","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/rack"},{"name":"camaleon_cms (RubyGems)","slug":"camaleon-cms","vulnerabilities":19,"url":"https://junglewise.ai/threats/technologies/camaleon-cms"},{"name":"rails-html-sanitizer (RubyGems)","slug":"rails-html-sanitizer","vulnerabilities":19,"url":"https://junglewise.ai/threats/technologies/rails-html-sanitizer"},{"name":"actionpack (RubyGems)","slug":"actionpack","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/actionpack"},{"name":"publify_core (RubyGems)","slug":"publify-core","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/publify-core"},{"name":"rubygems-update (RubyGems)","slug":"rubygems-update","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/rubygems-update"},{"name":"loofah (RubyGems)","slug":"loofah","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/loofah"},{"name":"fat_free_crm (RubyGems)","slug":"fat-free-crm","vulnerabilities":12,"url":"https://junglewise.ai/threats/technologies/fat-free-crm"},{"name":"passenger (RubyGems)","slug":"passenger","vulnerabilities":12,"url":"https://junglewise.ai/threats/technologies/passenger"},{"name":"oj (RubyGems)","slug":"oj","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/oj"},{"name":"openc3 (RubyGems)","slug":"openc3","vulnerabilities":10,"url":"https://junglewise.ai/threats/technologies/openc3"}],"technology":{"hub":true,"name":"json (RubyGems)","slug":"rubygems-json","vendor":{"name":"RubyGems","slug":"rubygems","url":"https://junglewise.ai/threats/vendors/rubygems"},"aliases":[],"url":"https://junglewise.ai/threats/technologies/rubygems-json"},"most_severe":[{"cve":"CVE-2026-71847","cvss":5.3,"epss":0.0043,"slug":"cve-2026-71847-ruby-json-heap-use-after-free-in-resumableparser","title":"Ruby JSON heap-use-after-free in ResumableParser","severity":"low","exploited":false,"published_at":"2026-08-07T18:33:12+00:00","url":"https://junglewise.ai/threats/cve-2026-71847-ruby-json-heap-use-after-free-in-resumableparser"},{"cve":"CVE-2026-54696","cvss":3.7,"epss":0.0038,"slug":"cve-2026-54696-ruby-json-heap-buffer-overflow-in-json-generator-streaming","title":"Ruby JSON heap buffer overflow in JSON generator streaming","severity":"low","exploited":false,"published_at":"2026-06-30T23:17:28.123+00:00","url":"https://junglewise.ai/threats/cve-2026-54696-ruby-json-heap-buffer-overflow-in-json-generator-streaming"},{"cve":"CVE-2020-10663","cvss":3.1,"epss":0.0681,"slug":"cve-2020-10663-unsafe-object-creation-in-json-rubygem","title":"Unsafe object creation in json RubyGem","severity":"low","exploited":false,"published_at":"2020-07-27T18:08:21+00:00","url":"https://junglewise.ai/threats/cve-2020-10663-unsafe-object-creation-in-json-rubygem"},{"cve":"CVE-2025-27788","cvss":3.1,"epss":0.0071,"slug":"cve-2025-27788-out-of-bounds-read-in-ruby-json-parser","title":"Out-of-bounds Read in Ruby JSON Parser","severity":"low","exploited":false,"published_at":"2025-03-12T15:35:23+00:00","url":"https://junglewise.ai/threats/cve-2025-27788-out-of-bounds-read-in-ruby-json-parser"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}