{"id":"CVE-2026-109965","title":"Serena before 2.0.0 contains an improper link resolution vulnerability that allows attackers to access files outside the project root by committing symlinks inside a repository","summary":"Serena before 2.0.0 contains an improper link resolution vulnerability that allows attackers to access files outside the project root by committing symlinks inside a repository. Project.is_path_in_project() normalizes paths lexically wit…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","cwe":["CWE-59"],"vendor":"oraios","product":"serena","affected":["serena < 2.0.0"],"published":"2026-10-13","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:18:44.867","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109965","references":[{"url":"https://github.com/oraios/serena","label":"disclosure@vulncheck.com"},{"url":"https://github.com/oraios/serena/blob/v1.7.0/src/serena/project.py","label":"disclosure@vulncheck.com"},{"url":"https://github.com/oraios/serena/commit/6f20f9b822d85bb063008e786f808d04619dd54e","label":"disclosure@vulncheck.com"},{"url":"https://github.com/oraios/serena/issues/2144","label":"disclosure@vulncheck.com"},{"url":"https://github.com/oraios/serena/releases/tag/v2.0.0","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/serena-before-2.0.0-symlink-following-in-file-tools-allows-access-outside-project-root","label":"disclosure@vulncheck.com"},{"url":"https://github.com/oraios/serena/issues/2144","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00223,"epssPercentile":0.12852,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-10-13T15:29:06.118866Z"},"ingestedAt":"2026-10-13T14:29:01.858Z","slug":"CVE-2026-109965","body":"## Overview\n\nSerena before 2.0.0 contains an improper link resolution vulnerability that allows attackers to access files outside the project root by committing symlinks inside a repository. Project.is_path_in_project() normalizes paths lexically without resolving symlinks, so file tools like read_file and create_text_file can read or overwrite files such as SSH keys or cloud credentials.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":220942,"id":"CVE-2026-109965","ts":1792026931760,"field":"exploit_available","old":"false","new":"true"}]}