Go LookPath PATH bug returns execs for empty/.. input
CVE-2025-47906 Published on September 18, 2025

Unexpected paths returned from LookPath in os/exec
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.

NVD

Vulnerability Analysis

CVE-2025-47906 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity, and a small impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
LOW

Products Associated with CVE-2025-47906

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GoLang Go
 

Affected Versions

Go standard library os/exec:

Exploit Probability

EPSS
0.03%
Percentile
7.53%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.