{"id":"CVE-2026-40890","revision":"a3ce11ad9c784cd6b72ae6eb9e622b04","records":[{"revision":"a3ce11ad9c784cd6b72ae6eb9e622b04","observedAt":"2026-10-25T09:17:30.114+00:00","statement":{"source":"nvd","id":"CVE-2026-40890","aliases":[],"title":"The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a < character that is not followed by a > character anywhere in the remaining text with a …","description":"The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a < character that is not followed by a > character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with commit 759bbc3e32073c3bc4e25969c132fc520eda2778.","state":0,"publishedAt":"2026-04-21T20:17:02.81+00:00","modifiedAt":"2026-06-17T10:45:50.027+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/gomarkdown/markdown/commit/759bbc3e32073c3bc4e25969c132fc520eda2778","https://github.com/gomarkdown/markdown/security/advisories/GHSA-77fj-vx54-gvh7"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-40890","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-125"],"productCriteria":["cpe:2.3:a:gomarkdown:markdown:*:*:*:*:*:go:*:*"],"sourceDates":{"published":"2026-04-21T20:17:02.810","lastModified":"2026-06-17T10:45:50.027"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-40890","identifiers":["CVE-2026-40890"]},"retained":false,"historicalAffected":[]}],"coverage":[]}