tocsin

Go/github.com/crossplane/crossplane-runtime/v2 CVE-2026-105163: medium 5.3, EPSS 0.32%

Crossplane's TOCTOU between cosign verification and image fetch in xpkg.CachedClient allows tag-based package install to bypass signature check

Action: Upgrade github.com/crossplane/crossplane-runtime/v2 to 2.3.3 or later.

go get github.com/crossplane/crossplane-runtime/v2@v2.4.0-rc.1
go get github.com/crossplane/crossplane-runtime/v2@v2.3.3

Affected

introducedfixedlast affected
2.4.0-rc.02.4.0-rc.1-
2.3.02.3.3-

Fixed versions

2.4.0-rc.12.3.3

Sources

CVE-2026-105163 · published · modified · JSON