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CVE-2025-46816

goshs route not protected, allows command execution

9.4 CriticalPublic exploitFix available

goshs is a SimpleHTTPServer written in Go. Starting in version 0.3.4 and prior to version 1.0.5, running goshs without arguments makes it possible for anyone to execute commands on the server. The function dispatchReadPump does not checks the option cli -c, thus allowing anyone to execute arbitrary command through the use of websockets. Version 1.0.5 fixes the issue.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
Low

Exploit likelihood

0.75%Up 0.7 points since May 7, 2025
90%50%10%1%

What each source reports

CVE List Score used 9.4

goshs route not protected, allows command execution

goshs is a SimpleHTTPServer written in Go. Starting in version 0.3.4 and prior to version 1.0.5, running goshs without arguments makes it possible for anyone to execute commands on the server. The function dispatchReadPump does not checks the option cli -c, thus allowing anyone to execute arbitrary command through the use of websockets. Version 1.0.5 fixes the issue.

Record
CVE-2025-46816
CVSS 3.0
9.4 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-284, CWE-77
Updated
2026-11-02
EUVDEUVD-2025-13620 9.4

goshs is a SimpleHTTPServer written in Go. Starting in version 0.3.4 and prior to version 1.0.5, running goshs without arguments makes it possible for anyone to execute commands on the server. The function dispatchReadPump does not checks the option cli -c, thus allowing anyone to execute arbitrary command through the use of websockets. Version 1.0.5 fixes the issue.

Record
EUVD-2025-13620
CVSS 3.0
9.4 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-rwj2-w85g-5cmm 9.4

goshs route not protected, allows command execution

Summary

It seems that when running goshs without arguments it is possible for anyone to execute commands on the server. This was tested on version 1.0.4 of goshs. The command function was introduced in version 0.3.4.

Details

It seems that the function dispatchReadPump does not checks the option cli -c, thus allowing anyone to execute arbitrary command through the use of websockets.

PoC

Used websocat for the POC:

echo -e '{"type": "command", "content": "id"}' |./websocat 'ws://192.168.1.11:8000/?ws' -t

Impact

The vulnerability will only impacts goshs server on vulnerable versions.

Record
GHSA-rwj2-w85g-5cmm
CVSS 3.0
9.4 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-77, CWE-284
Updated
2026-11-02
NVD 9.4

goshs is a SimpleHTTPServer written in Go. Starting in version 0.3.4 and prior to version 1.0.5, running goshs without arguments makes it possible for anyone to execute commands on the server. The function dispatchReadPump does not checks the option cli -c, thus allowing anyone to execute arbitrary command through the use of websockets. Version 1.0.5 fixes the issue.

Record
CVE-2025-46816
CVSS 3.0
9.4 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-77, CWE-284
Updated
2026-11-02
OSV 9.4

goshs route not protected, allows command execution

goshs is a SimpleHTTPServer written in Go. Starting in version 0.3.4 and prior to version 1.0.5, running goshs without arguments makes it possible for anyone to execute commands on the server. The function dispatchReadPump does not checks the option cli -c, thus allowing anyone to execute arbitrary command through the use of websockets. Version 1.0.5 fixes the issue.

Record
CVE-2025-46816
CVSS 3.0
9.4 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-284, CWE-77
Updated
2026-11-02
OSVGHSA-rwj2-w85g-5cmm 9.4

goshs route not protected, allows command execution

Summary

It seems that when running goshs without arguments it is possible for anyone to execute commands on the server. This was tested on version 1.0.4 of goshs. The command function was introduced in version 0.3.4.

Details

It seems that the function dispatchReadPump does not checks the option cli -c, thus allowing anyone to execute arbitrary command through the use of websockets.

PoC

Used websocat for the POC:

echo -e '{"type": "command", "content": "id"}' |./websocat 'ws://192.168.1.11:8000/?ws' -t

Impact

The vulnerability will only impacts goshs server on vulnerable versions.

Record
GHSA-rwj2-w85g-5cmm
CVSS 3.0
9.4 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Weakness
CWE-284, CWE-77
Updated
2026-11-02
OSVGO-2025-3672 No score

goshs route not protected, allows command execution in github.com/patrickhener/goshs

goshs route not protected, allows command execution in github.com/patrickhener/goshs

Record
GO-2025-3672
Updated
2026-11-02
OSVopenSUSE-SU-2025:15135-1 No score

govulncheck-vulndb-0.0.20250515T200012-1.1 on GA media

These are all security issues fixed in the govulncheck-vulndb-0.0.20250515T200012-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2025:15135-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/patrickhener/goshs
Go
 0.3.4 to 1.0.4
1.0.5
github.com/patrickhener/goshs
Go
 0.3.4 up to 1.0.5
1.0.5
govulncheck-vulndb
openSUSE:Tumbleweed
From an advisory covering 11 CVEs
 before 0.0.20250515T200012-1.1
0.0.20250515T200012-1.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubGuilhem7/CVE-2025-468162025-06-04

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-46816 is a critical vulnerability (CVSS 9.4) in Patrickhener Goshs, published May 6, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.75%, the 55th percentile. Fixed in github.com/patrickhener/goshs 1.0.5.

References

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