🛡️ CVE-2026-39831 on BellSoft — buildah

Distribution advisory

This page covers CVE-2026-39831 as tracked by BellSoft, for the package buildah. No fixed version has been recorded for this distribution yet.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.

Weakness class

BELL-CVE-2026-39831 is classified as CWE-862: Missing Authorization. No authorisation check is performed before carrying out a restricted action.

Affected software

BELL-CVE-2026-39831 is recorded against 12 packages.

• buildah (from 1.31.0-r0)
• calicoctl (from 3.31.3-r0)
• cilium-cli (from 0.19.0-r12)
• containerd (from 1.7.2-r1)
• docker-cli-buildx (from 0.11.0-r0)
• etcd (from 3.6.4-r6)
• google-guest-agent (from 20250214.01-r0)
• grype (from 0.100.0-r0)
• helm (from 3.19.0-r4)
• osv-scanner (from 2.1.0-r2)
• podman (from 4.5.1-r1)
• skopeo (from 1.13.0-r1)

Timeline and source

Published on 26 May 2026 and last revised on 30 May 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

docs.bell-sw.com (Advisory)

CVE-2026-39831 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References