{"schema_version":1,"title":"KaTeX vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 6 vulnerabilities in KaTeX: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-103923, was published on 1 October 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.","url":"https://junglewise.ai/threats/vendors/katex","json_url":"https://junglewise.ai/threats/vendors/katex.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/katex","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":false,"counts":{"high":0,"all_time":6,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":1},"latest":[{"cve":"CVE-2026-103923","cvss":4,"epss":0.003,"slug":"cve-2026-103923-katex-is-a-fast-easy-to-use-javascript-library-for-tex-math","title":"KaTeX prototype pollution in renderer settings","severity":"medium","exploited":false,"published_at":"2026-10-01T18:17:13.053+00:00","url":"https://junglewise.ai/threats/cve-2026-103923-katex-is-a-fast-easy-to-use-javascript-library-for-tex-math"},{"cve":"CVE-2025-23207","cvss":3.1,"epss":0.0042,"slug":"cve-2025-23207-katex-htmldata-attribute-name-validation-bypass","title":"KaTeX htmlData attribute name validation bypass","severity":"low","exploited":false,"published_at":"2025-01-17T21:22:56+00:00","url":"https://junglewise.ai/threats/cve-2025-23207-katex-htmldata-attribute-name-validation-bypass"},{"cve":"CVE-2024-28246","cvss":3.1,"slug":"cve-2024-28246-katex-protocol-normalization-bypass-in-trust-option","title":"KaTeX protocol normalization bypass in trust option","severity":"low","exploited":false,"published_at":"2024-03-25T19:38:37+00:00","url":"https://junglewise.ai/threats/cve-2024-28246-katex-protocol-normalization-bypass-in-trust-option"},{"cve":"CVE-2024-28245","cvss":3.1,"epss":0.0041,"slug":"cve-2024-28245-katex-includegraphics-improper-output-encoding-in-filename","title":"KaTeX includegraphics improper output encoding in filename","severity":"low","exploited":false,"published_at":"2024-03-25T19:38:34+00:00","url":"https://junglewise.ai/threats/cve-2024-28245-katex-includegraphics-improper-output-encoding-in-filename"},{"cve":"CVE-2024-28244","cvss":3.1,"epss":0.0216,"slug":"cve-2024-28244-katex-maxexpand-bypass-via-unicode-sub-superscripts","title":"KaTeX maxExpand bypass via Unicode sub/superscripts","severity":"low","exploited":false,"published_at":"2024-03-25T19:38:29+00:00","url":"https://junglewise.ai/threats/cve-2024-28244-katex-maxexpand-bypass-via-unicode-sub-superscripts"},{"cve":"CVE-2024-28243","cvss":3.1,"epss":0.0141,"slug":"cve-2024-28243-katex-maxexpand-bypass-via-edef-token-expansion","title":"KaTeX maxExpand bypass via \\edef token expansion","severity":"low","exploited":false,"published_at":"2024-03-25T19:38:18+00:00","url":"https://junglewise.ai/threats/cve-2024-28243-katex-maxexpand-bypass-via-edef-token-expansion"}],"vendor":{"hub":true,"name":"KaTeX","slug":"katex","description":"JavaScript library for rendering mathematical expressions and equations.","url":"https://junglewise.ai/threats/vendors/katex"},"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":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":1},{"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-2026-103923","cvss":4,"epss":0.003,"slug":"cve-2026-103923-katex-is-a-fast-easy-to-use-javascript-library-for-tex-math","title":"KaTeX prototype pollution in renderer settings","severity":"medium","exploited":false,"published_at":"2026-10-01T18:17:13.053+00:00","url":"https://junglewise.ai/threats/cve-2026-103923-katex-is-a-fast-easy-to-use-javascript-library-for-tex-math"},{"cve":"CVE-2024-28244","cvss":3.1,"epss":0.0216,"slug":"cve-2024-28244-katex-maxexpand-bypass-via-unicode-sub-superscripts","title":"KaTeX maxExpand bypass via Unicode sub/superscripts","severity":"low","exploited":false,"published_at":"2024-03-25T19:38:29+00:00","url":"https://junglewise.ai/threats/cve-2024-28244-katex-maxexpand-bypass-via-unicode-sub-superscripts"},{"cve":"CVE-2024-28243","cvss":3.1,"epss":0.0141,"slug":"cve-2024-28243-katex-maxexpand-bypass-via-edef-token-expansion","title":"KaTeX maxExpand bypass via \\edef token expansion","severity":"low","exploited":false,"published_at":"2024-03-25T19:38:18+00:00","url":"https://junglewise.ai/threats/cve-2024-28243-katex-maxexpand-bypass-via-edef-token-expansion"},{"cve":"CVE-2025-23207","cvss":3.1,"epss":0.0042,"slug":"cve-2025-23207-katex-htmldata-attribute-name-validation-bypass","title":"KaTeX htmlData attribute name validation bypass","severity":"low","exploited":false,"published_at":"2025-01-17T21:22:56+00:00","url":"https://junglewise.ai/threats/cve-2025-23207-katex-htmldata-attribute-name-validation-bypass"},{"cve":"CVE-2024-28245","cvss":3.1,"epss":0.0041,"slug":"cve-2024-28245-katex-includegraphics-improper-output-encoding-in-filename","title":"KaTeX includegraphics improper output encoding in filename","severity":"low","exploited":false,"published_at":"2024-03-25T19:38:34+00:00","url":"https://junglewise.ai/threats/cve-2024-28245-katex-includegraphics-improper-output-encoding-in-filename"},{"cve":"CVE-2024-28246","cvss":3.1,"slug":"cve-2024-28246-katex-protocol-normalization-bypass-in-trust-option","title":"KaTeX protocol normalization bypass in trust option","severity":"low","exploited":false,"published_at":"2024-03-25T19:38:37+00:00","url":"https://junglewise.ai/threats/cve-2024-28246-katex-protocol-normalization-bypass-in-trust-option"}],"generated_at":"2026-11-09T03:07:00.176479+00:00","technologies":[]}