{"id":"CVE-2026-68939","title":"Pyenv provides simple Python version management","summary":"Pyenv provides simple Python version management. Prior to 2.8.0, is_version_safe() in libexec/pyenv-version-file-read accepts shell glob metacharacters in .python-version values, and unquoted PYENV_VERSION expansion in libexec/pyenv-vers…","severity":"none","cwe":["CWE-78","CWE-88","CWE-155"],"published":"2026-08-18","updated":"2026-09-18","sourceUpdated":"2026-09-18T20:05:53.723","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-68939","references":[{"url":"https://github.com/pyenv/pyenv/commit/95df7dbc7b34595b47c9b922de198547effda819","label":"security-advisories@github.com"},{"url":"https://github.com/pyenv/pyenv/releases/tag/v2.8.0","label":"security-advisories@github.com"},{"url":"https://github.com/pyenv/pyenv/security/advisories/GHSA-g478-f579-9vp9","label":"security-advisories@github.com"},{"url":"https://github.com/pyenv/pyenv/security/advisories/GHSA-g478-f579-9vp9","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00171,"epssPercentile":0.0678,"ingestedAt":"2026-09-18T20:51:25.629Z","slug":"CVE-2026-68939","body":"## Overview\n\nPyenv provides simple Python version management. Prior to 2.8.0, is_version_safe() in libexec/pyenv-version-file-read accepts shell glob metacharacters in .python-version values, and unquoted PYENV_VERSION expansion in libexec/pyenv-version-name, libexec/pyenv-which, libexec/pyenv-prefix, libexec/pyenv-local, libexec/pyenv-global, libexec/pyenv-version, and libexec/pyenv-versions pathname-expands the value against the current directory, allowing a matching attacker-controlled file to silently select a different installed interpreter or version. This issue is fixed in version 2.8.0.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}