CVE-2025-47906
os/exec: Unexpected paths returned from LookPath in os/exec
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 19, 2025
Updated · October 27, 2026
Description
A path handling flaw has been discovered in the os/exec go package. If the PATH environment variable contains paths which are executables (rather than just directories), passing certain strings to LookPath ("", ".", and ".."), can result in the binaries listed in the PATH being unexpectedly returned.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CWE-440 · Expected Behavior Violation