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8.8highHigh

CVE-2026-27140

Golang Go

SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.

Exploitation status

  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is reachable over a network, without needing local access.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, no account is needed.
  • Beyond that, someone has to be persuaded to take an action first.

Scoring

CVSS
8.8 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-863
Assigned by
security@golang.org

Dates

Published
2026-04-08
Last modified
2026-08-27
Sources
NVD

Affected products

  • Golang Go- 1.25.9, 1.26.0 - 1.26.2

As listed in the NVD configuration data. Not a statement about your estate.

References