Go 1.27.4 and 1.26.11 released with 12 security fixes

Tier C · Keep an eye on it – Check if you’re affected

Who’s exposed: Go users running earlier 1.27 and 1.26 releases

Tier C because: Hits tech teams

Reach

Attack

Damage

Fix

Popular tool

What to do

The Brief

Developers running affected Go toolchains should upgrade to receive the security fixes.

Checklist · 2 of 10 yes

Yes	Hits tech teams	Judgment: Go is a developer toolchain that developers build and run with.
No	Core infrastructure	Judgment: Go is a single language toolchain, not shared infrastructure like OpenSSH or the Linux kernel.
Yes	Popular tool	Judgment: Go is a mainstream developer language and toolchain used by many teams.
No	Exploited in the wild	Open Source Security: the announcement reports 12 security fixes only, with no observed attacks mentioned.
No	Public exploit	Open Source Security: the announcement mentions security fixes only, with no exploit or proof-of-concept published.
No	Remote, no login	Open Source Security: the source does not state whether any flaw is remotely exploitable without credentials.
No	Full takeover	Open Source Security: the source does not describe the impact of any of the 12 fixes.
No	Secrets exposed	Open Source Security: the source reports no stolen or exposed credentials, keys or data.
No	Supply chain	Open Source Security: the source reports security fixes in a release, not malicious code shipped through a channel.
No	No fix yet	Open Source Security: Go 1.27.4 and Go 1.26.11 are released with the fixes, so patched versions exist.

Nov 10
Go 1.27.4 and Go 1.26.11 released with 12 security fixes
Nov 10 · 8:17 PM
Open Source Security
Go 1.27.4 and Go 1.26.11 are released with 12 security fixes

First seen 2h ago · 1 source · Full story page · How tiers are decided