CVE-2026-66140

Exim before 4.99.5 allows directory traversal to access files outside of the spool area, and consequently gain privileges, because arguments related to queue-name are mishandled.

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://openwall.com/lists/oss-security/2026/07/22/9	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-07-24 05:16

Updated : 2026-08-17 19:04

NVD link : CVE-2026-66140

Mitre link : CVE-2026-66140

CVE.ORG link : CVE-2026-66140

JSON object : View

Products Affected

exim

exim

CWE

CWE-24

Path Traversal: '../filedir'

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