{"id":"EUVD-2026-72558","revision":"39e7f2503b4e4802aa5735e8f5506465","records":[{"revision":"39e7f2503b4e4802aa5735e8f5506465","observedAt":"2026-11-05T14:39:20.44+00:00","statement":{"source":"euvd","id":"EUVD-2026-72558","aliases":["CVE-2026-86540","GHSA-6ph4-r249-58p2","GHSA-mc52-mwq4-vfx3"],"title":"knowns versions before 0.30.0 fail to validate the settings.lsp.languages binary field in project configuration files, allowing attackers to execute arbitrary binaries by crafting a malicious .knowns/config.json file. When a repository with…","description":"knowns versions before 0.30.0 fail to validate the settings.lsp.languages binary field in project configuration files, allowing attackers to execute arbitrary binaries by crafting a malicious .knowns/config.json file. When a repository with a crafted configuration is opened, the unvalidated binary path is executed twice under the user's account without any verification.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.5,"severity":null}],"references":["https://github.com/knowns-dev/knowns/security/advisories/GHSA-mc52-mwq4-vfx3","https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/lsp/detect.go#L128-L157","https://github.com/knowns-dev/knowns/blob/v0.29.1/internal/models/config.go#L205-L216","https://github.com/knowns-dev/knowns/commit/d3989829fb5095666d23d005b2f78a082832a396","https://github.com/knowns-dev/knowns/releases/tag/v0.30.0","https://www.vulncheck.com/advisories/knowns-before-0.30.0-arbitrary-code-execution-via-lsp-binary"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-72558","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Sep 7, 2026, 11:03:18 PM","dateUpdated":"Sep 24, 2026, 2:21:24 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-72558","identifiers":["EUVD-2026-72558","CVE-2026-86540","GHSA-6ph4-r249-58p2","GHSA-mc52-mwq4-vfx3"]},"retained":false,"historicalAffected":[]}],"coverage":[]}