Dashboard / CVE-2026-15791

CVE-2026-15791

LOW
INFO Priority: 0.00 BB Relevance: 29/100
Published: 2026-07-21 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Active
S: X
AT: Present
VC: None
VI: Low
VA: Low

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
mobyproject buildkit < 0.31.2

References & Advisories (1)

Bug Bounty Relevance

29 / 100
✓ No authentication
✓ Low complexity

CVSS Score

1.8 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.25%
Raw Score 0.002490
Percentile 16.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00249
2026-10-28
0.00249

Intelligence Sources

nvd ref →

External Links