CVE-2026-66140

HIGH

Exim < 4.99.5 - Path Traversal: '../filedir'

Title source: rule
STIX 2.1

Description

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.

References (1)

Core 1

Scores

CVSS v3 8.4
EPSS 0.0027
EPSS Percentile 19.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-24
Status published
Products (1)
Exim/Exim 4.88 - 4.99.5
Published Jul 24, 2026
Tracked Since Jul 24, 2026