CVE-2026-44517Medium· 6.3▾ SunlitBuild breakout using malicious Containerfile and Git Smart HTTP server or GitHub release tar archive
▾ Sunlit zone — Low / medium · no exploitation signal
impact 34.7 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 22.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
0.2%
When processing a build contexts or add/copy instructions, a malicious server serving a Git repository or a tar archive file can cause files outside of the build context directory to be included in the build context or copied into the build.
Fixed in Buildah 1.44 and 1.43.2.
github.com/containers/buildah >= 1.38.1, < 1.43.2Upgrade to a patched release:
github.com/containers/buildah 1.43.2Connected by shared product, vendor, weakness, or advisory.
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