{"schema_version":1,"title":"League vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 9 vulnerabilities in League: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, league/commonmark DisallowedRawHtml XSS bypass in tag parsing, was published on 30 September 2026. Nothing in the last four weeks, down from 2 vulnerabilities in the four before.","url":"https://junglewise.ai/threats/vendors/league","json_url":"https://junglewise.ai/threats/vendors/league.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/vendors/league","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":false,"counts":{"high":7,"all_time":9,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":5,"last_365_days":8},"latest":[{"cvss":6.1,"slug":"league-commonmark-disallowedrawhtml-bypassed-when-a-disallowed-tag-name-cea607bc","title":"league/commonmark DisallowedRawHtml XSS bypass in tag parsing","severity":"medium","exploited":false,"published_at":"2026-09-30T15:36:33+00:00","url":"https://junglewise.ai/threats/league-commonmark-disallowedrawhtml-bypassed-when-a-disallowed-tag-name-cea607bc"},{"cvss":7.5,"slug":"league-commonmark-quadratic-time-denial-of-service-in-the-github-a4135205","title":"league/commonmark quadratic DoS in GitHub Flavored Markdown table parser","severity":"high","exploited":false,"published_at":"2026-09-30T15:36:13+00:00","url":"https://junglewise.ai/threats/league-commonmark-quadratic-time-denial-of-service-in-the-github-a4135205"},{"cve":"CVE-2026-86434","cvss":7.5,"epss":0.0051,"slug":"cve-2026-86434-league-commonmark-denial-of-service-via-slug-collision","title":"league/commonmark denial of service via slug collision","severity":"high","exploited":false,"published_at":"2026-09-07T13:20:42.87+00:00","url":"https://junglewise.ai/threats/cve-2026-86434-league-commonmark-denial-of-service-via-slug-collision"},{"cve":"CVE-2026-86433","cvss":7.5,"epss":0.0051,"slug":"cve-2026-86433-commonmark-attributes-extension-denial-of-service-via-quadratic","title":"commonmark Attributes extension denial of service via quadratic parsing","severity":"high","exploited":false,"published_at":"2026-09-07T13:20:42.733+00:00","url":"https://junglewise.ai/threats/cve-2026-86433-commonmark-attributes-extension-denial-of-service-via-quadratic"},{"cve":"CVE-2026-86429","cvss":7.5,"epss":0.0052,"slug":"cve-2026-86429-league-commonmark-quadratic-parsing-complexity-denial-of-service","title":"League CommonMark quadratic parsing complexity denial of service","severity":"high","exploited":false,"published_at":"2026-09-07T13:20:42.18+00:00","url":"https://junglewise.ai/threats/cve-2026-86429-league-commonmark-quadratic-parsing-complexity-denial-of-service"},{"cve":"CVE-2026-71488","cvss":7.5,"epss":0.0063,"slug":"cve-2026-71488-league-commonmark-quadratic-time-denial-of-service-in-markdown","title":"league commonmark quadratic-time denial of service in Markdown parsing","severity":"high","exploited":false,"published_at":"2026-08-06T22:18:31.893+00:00","url":"https://junglewise.ai/threats/cve-2026-71488-league-commonmark-quadratic-time-denial-of-service-in-markdown"},{"cvss":7.5,"slug":"league-commonmark-denial-of-service-in-footnote-extension-90371ead","title":"league commonmark denial of service in Footnote extension","severity":"high","exploited":false,"published_at":"2026-08-06T20:40:53+00:00","url":"https://junglewise.ai/threats/league-commonmark-denial-of-service-in-footnote-extension-90371ead"},{"cvss":7.5,"slug":"league-commonmark-denial-of-service-in-attributesextension-c631ba68","title":"league/commonmark denial of service in AttributesExtension","severity":"high","exploited":false,"published_at":"2026-08-06T20:39:52+00:00","url":"https://junglewise.ai/threats/league-commonmark-denial-of-service-in-attributesextension-c631ba68"},{"cve":"CVE-2025-46734","cvss":6.4,"epss":0.0036,"slug":"cve-2025-46734-league-commonmark-xss-in-attributes-extension","title":"league/commonmark XSS in Attributes extension","severity":"medium","exploited":false,"published_at":"2025-05-05T20:40:36+00:00","url":"https://junglewise.ai/threats/cve-2025-46734-league-commonmark-xss-in-attributes-extension"}],"vendor":{"hub":true,"name":"League","slug":"league","description":"Organization that maintains open-source software projects including CommonMark and PHP League packages.","url":"https://junglewise.ai/threats/vendors/league"},"weekly":[{"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":3},{"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":2},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-71488","cvss":7.5,"epss":0.0063,"slug":"cve-2026-71488-league-commonmark-quadratic-time-denial-of-service-in-markdown","title":"league commonmark quadratic-time denial of service in Markdown parsing","severity":"high","exploited":false,"published_at":"2026-08-06T22:18:31.893+00:00","url":"https://junglewise.ai/threats/cve-2026-71488-league-commonmark-quadratic-time-denial-of-service-in-markdown"},{"cve":"CVE-2026-86429","cvss":7.5,"epss":0.0052,"slug":"cve-2026-86429-league-commonmark-quadratic-parsing-complexity-denial-of-service","title":"League CommonMark quadratic parsing complexity denial of service","severity":"high","exploited":false,"published_at":"2026-09-07T13:20:42.18+00:00","url":"https://junglewise.ai/threats/cve-2026-86429-league-commonmark-quadratic-parsing-complexity-denial-of-service"},{"cve":"CVE-2026-86434","cvss":7.5,"epss":0.0051,"slug":"cve-2026-86434-league-commonmark-denial-of-service-via-slug-collision","title":"league/commonmark denial of service via slug collision","severity":"high","exploited":false,"published_at":"2026-09-07T13:20:42.87+00:00","url":"https://junglewise.ai/threats/cve-2026-86434-league-commonmark-denial-of-service-via-slug-collision"},{"cve":"CVE-2026-86433","cvss":7.5,"epss":0.0051,"slug":"cve-2026-86433-commonmark-attributes-extension-denial-of-service-via-quadratic","title":"commonmark Attributes extension denial of service via quadratic parsing","severity":"high","exploited":false,"published_at":"2026-09-07T13:20:42.733+00:00","url":"https://junglewise.ai/threats/cve-2026-86433-commonmark-attributes-extension-denial-of-service-via-quadratic"},{"cvss":7.5,"slug":"league-commonmark-quadratic-time-denial-of-service-in-the-github-a4135205","title":"league/commonmark quadratic DoS in GitHub Flavored Markdown table parser","severity":"high","exploited":false,"published_at":"2026-09-30T15:36:13+00:00","url":"https://junglewise.ai/threats/league-commonmark-quadratic-time-denial-of-service-in-the-github-a4135205"},{"cvss":7.5,"slug":"league-commonmark-denial-of-service-in-footnote-extension-90371ead","title":"league commonmark denial of service in Footnote extension","severity":"high","exploited":false,"published_at":"2026-08-06T20:40:53+00:00","url":"https://junglewise.ai/threats/league-commonmark-denial-of-service-in-footnote-extension-90371ead"},{"cvss":7.5,"slug":"league-commonmark-denial-of-service-in-attributesextension-c631ba68","title":"league/commonmark denial of service in AttributesExtension","severity":"high","exploited":false,"published_at":"2026-08-06T20:39:52+00:00","url":"https://junglewise.ai/threats/league-commonmark-denial-of-service-in-attributesextension-c631ba68"},{"cve":"CVE-2025-46734","cvss":6.4,"epss":0.0036,"slug":"cve-2025-46734-league-commonmark-xss-in-attributes-extension","title":"league/commonmark XSS in Attributes extension","severity":"medium","exploited":false,"published_at":"2025-05-05T20:40:36+00:00","url":"https://junglewise.ai/threats/cve-2025-46734-league-commonmark-xss-in-attributes-extension"},{"cvss":6.1,"slug":"league-commonmark-disallowedrawhtml-bypassed-when-a-disallowed-tag-name-cea607bc","title":"league/commonmark DisallowedRawHtml XSS bypass in tag parsing","severity":"medium","exploited":false,"published_at":"2026-09-30T15:36:33+00:00","url":"https://junglewise.ai/threats/league-commonmark-disallowedrawhtml-bypassed-when-a-disallowed-tag-name-cea607bc"}],"generated_at":"2026-11-09T03:07:00.176479+00:00","technologies":[]}