{"id":"CVE-2026-88937","title":"knowns through 0.33.0 Path Traversal via Template Engine","summary":"knowns through 0.33.0 fails to properly validate template destination paths in the code generation template engine, allowing attackers to read and write arbitrary files outside the project root. Attackers can supply malicious templates t…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-22"],"vendor":"knowns-dev","product":"knowns","affected":["knowns <= 0.33.0"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T16:02:56.560540Z"},"exploitAvailable":true,"published":"2026-09-10","updated":"2026-09-11","sourceUpdated":"2026-09-11T11:07:58.413Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-88937","references":[{"url":"https://github.com/knowns-dev/knowns/security/advisories/GHSA-68cq-4rwm-f7jr","label":"GitHub Security Advisory (GHSA-68cq-4rwm-f7jr)"},{"url":"https://github.com/knowns-dev/knowns/security/advisories/GHSA-xjcg-5j3r-m6f9","label":"GitHub Security Advisory (GHSA-xjcg-5j3r-m6f9)"},{"url":"https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/codegen/template_engine.go#L625-L636"},{"url":"https://github.com/knowns-dev/knowns/blob/v0.33.0/internal/codegen/template_engine.go#L318-L344"},{"url":"https://www.vulncheck.com/advisories/knowns-through-0.33.0-path-traversal-via-template-engine","label":"VulnCheck Advisory: knowns through 0.33.0 Path Traversal via Template Engine"}],"tags":["cve.org","exploit-available"],"epss":0.00517,"epssPercentile":0.42811,"ingestedAt":"2026-09-11T16:45:47.922Z","slug":"CVE-2026-88937","body":"## Overview\n\nknowns through 0.33.0 fails to properly validate template destination paths in the code generation template engine, allowing attackers to read and write arbitrary files outside the project root. Attackers can supply malicious templates that traverse directories to overwrite shell profiles, steal credentials, or achieve persistent code execution on victim systems.\n\n## Affected\n\n- `knowns <= 0.33.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":61,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":50232,"id":"CVE-2026-88937","ts":1789059487533,"field":"exploit_available","old":"false","new":"true"}]}