CVE-2026-54584

Published: Set 21, 2026 Last Modified: Set 25, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,3
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

mport is the MidnightBSD Package Manager. mport before 2.7.8 used TMPDIR while extracting package metafiles, including when running as root or in setuid/setgid contexts. An attacker able to control the environment for a privileged mport invocation could redirect temporary metadata extraction to an attacker-controlled location. PR 123 ignores unsafe TMPDIR values in privileged contexts and rejects empty TMPDIR. This issue has been patched in version 2.7.8.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0047
Percentile
0,4th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

73

External Control of File Name or Path

Draft
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Read Files Or Directories Modify Files Or Directories Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Other)
Applicable Platforms
Operating Systems: Unix, Windows, macOS
View CWE Details
377

Insecure Temporary File

Incomplete
Common Consequences
Security Scopes Affected:
Confidentiality Integrity
Potential Impacts:
Read Files Or Directories Modify Files Or Directories
Applicable Platforms
All platforms may be affected
View CWE Details
https://github.com/MidnightBSD/mport/commit/3790fa49a36cb085f48b204ef189fb82bbe…
https://github.com/MidnightBSD/mport/pull/123
https://github.com/MidnightBSD/mport/releases/tag/2.7.8
https://github.com/MidnightBSD/mport/security/advisories/GHSA-4vv3-3h8r-q6mq