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RHSA-2026:70640
No affected components available
Red Hat Security Advisory: buildah security update
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The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
- CVE-2026-75593
BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.2, a custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access BuildKit control API to issue builds, eg., bypass authentication, etc. This issue is fixed in version 0.31.2.
Alias, EPSS 0.54% - EUVD-2026-62839Alias
- CVE-2026-15789
A custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access the BuildKit control API to issue builds, e.g., bypass authentication, etc.
Alias, EPSS 0.54% - EUVD-2026-46309Alias
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- CVE-2026-33818Upstream
- CVE-2026-15789
A custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access the BuildKit control API to issue builds, e.g., bypass authentication, etc.
Upstream, EPSS 0.54% - EUVD-2026-46309Upstream
- EUVD-2026-58508Upstream
- CVE-2026-56860Upstream
- EUVD-2026-58510Upstream
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- CVE-2026-56858Upstream
- CVE-2026-56855
Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connection down instead of buffering and blocking.
Upstream, EPSS 0.50% - CVE-2026-56862Upstream
- EUVD-2026-58515Upstream
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- CVE-2026-56853Upstream
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