CVE-2026-68939

2.0 lowEPSS 0.2%

Low (2.0). EPSS 0.2% chance of exploitation in the next 30 days.

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-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.

Severity

CVSS 4.0

2.0 low

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-31)
CWEs: CWE-78, CWE-88, CWE-155
Published: 2026-08-18
Modified: 2026-09-18
Record from: the NVD, synced 2026-10-19

References

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