SEPTEMBER 7, 2026
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Case File

CVE-2026-15791

HIGH · CVSS 7.5 EPSS 0.25% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-21 · Last synced 2026-08-20

CyberRota Analysis

AI-Generated

A vulnerability in the BuildKit low-level build API allows an attacker to craft a message that can delete files in the host's /tmp directory, potentially leading to data loss or service disruption. This issue poses a significant risk to environments utilizing BuildKit for containerized builds, as it enables unauthorized file manipulation outside the container. Organizations that rely on BuildKit for their container management should prioritize patching this vulnerability to mitigate the associated risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-15791
Severity
HIGH
CVSS
7.5
EPSS
0.25%

Original NVD Description

A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory. The action that can normally be used to delete files inside the build container rootfs can escape into the real host temp directory.

Related CVEs

Other vulnerabilities affecting the same vendor(s)