Vulnerability · Published Sep 18, 2025 · Assigned by Go

CVE-2025-47906Unexpected paths returned from LookPath in os/exec

Medium 6.5

In plain English

A medium-severity security flaw in os/exec from Go standard library. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 53.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8delve1.25.2-1.module_el8.10.0+4074+24330916ALSA-2025:22668
AlmaLinux:9git-lfs3.7.1-4.el9_8ALSA-2026:19350
AlmaLinux:9go-filesystem3.6.0-12.el9_7ALSA-2025:22005
AlmaLinux:9go-rpm-macros3.6.0-12.el9_7ALSA-2025:22005
AlmaLinux:9go-rpm-templates3.6.0-12.el9_7ALSA-2025:22005
AlmaLinux:9go-srpm-macros3.6.0-12.el9_7ALSA-2025:22005
AlmaLinux:8go-toolset1.25.3-2.module_el8.10.0+4074+24330916ALSA-2025:22668
AlmaLinux:8golang1.25.3-2.module_el8.10.0+4074+24330916ALSA-2025:22668
AlmaLinux:8golang-bin1.25.3-2.module_el8.10.0+4074+24330916ALSA-2025:22668
AlmaLinux:8golang-docs1.25.3-2.module_el8.10.0+4074+24330916ALSA-2025:22668
AlmaLinux:8golang-misc1.25.3-2.module_el8.10.0+4074+24330916ALSA-2025:22668
AlmaLinux:8golang-race1.25.3-2.module_el8.10.0+4074+24330916ALSA-2025:22668
AlmaLinux:8golang-src1.25.3-2.module_el8.10.0+4074+24330916ALSA-2025:22668
AlmaLinux:8golang-tests1.25.3-2.module_el8.10.0+4074+24330916ALSA-2025:22668
Alpine:v3.22go1.24.6-r0ALPINE-CVE-2025-47906
Alpine:v3.23go1.24.6-r0ALPINE-CVE-2025-47906
Alpine:v3.24go1.24.6-r0ALPINE-CVE-2025-47906
Debian:12golang-1.19no fix listedDEBIAN-CVE-2025-47906
Debian:13golang-1.24no fix listedDEBIAN-CVE-2025-47906
Gostdlib1.23.12, 1.24.6GO-2025-3956
Rocky Linux:8delve0:1.25.2-1.module+el8.10.0+40035+ee0a7047RLSA-2025:22668
Rocky Linux:9go-rpm-macros0:3.6.0-12.el9_7RLSA-2025:22005
Rocky Linux:8golang0:1.25.3-2.module+el8.10.0+40037+cec252d2RLSA-2025:22668
Ubuntu:22.04:LTSgolang-1.17no fix listedUBUNTU-CVE-2025-47906
Ubuntu:22.04:LTSgolang-1.18no fix listedUBUNTU-CVE-2025-47906
Ubuntu:22.04:LTSgolang-1.20no fix listedUBUNTU-CVE-2025-47906
Ubuntu:22.04:LTSgolang-1.21no fix listedUBUNTU-CVE-2025-47906
Ubuntu:24.04:LTSgolang-1.21no fix listedUBUNTU-CVE-2025-47906
Ubuntu:22.04:LTSgolang-1.22no fix listedUBUNTU-CVE-2025-47906
Ubuntu:24.04:LTSgolang-1.22no fix listedUBUNTU-CVE-2025-47906
Ubuntu:22.04:LTSgolang-1.23no fix listedUBUNTU-CVE-2025-47906
Ubuntu:24.04:LTSgolang-1.23no fix listedUBUNTU-CVE-2025-47906
Ubuntu:25.10golang-1.23no fix listedUBUNTU-CVE-2025-47906
Ubuntu:26.04:LTSgolang-1.23no fix listedUBUNTU-CVE-2025-47906
Ubuntu:22.04:LTSgolang-1.24no fix listedUBUNTU-CVE-2025-47906
Ubuntu:24.04:LTSgolang-1.24no fix listedUBUNTU-CVE-2025-47906
Ubuntu:25.10golang-1.24no fix listedUBUNTU-CVE-2025-47906
Ubuntu:26.04:LTSgolang-1.24no fix listedUBUNTU-CVE-2025-47906

Affected products (as reported)

VendorProductVersions
Go standard library os/exec 0 – before 1.23.121.24.0 – before 1.24.6

References