CVE-2026-94445 golang.org/x/playground - Remote Code Execution

golang.org/x/playground contains a remote code execution caused by improper sandboxing of txtar and go vet execution environment, letting remote attackers execute code on the playground host, exploit requires crafted go env file and go vet invocation.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.36% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
25 September 2026
Updated
15 October 2026
Weakness
CWE-20

Vendor fix

Update to the latest version of golang.org/x/playground.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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