๐Ÿ” CVE Alert

CVE-2026-66140

HIGH 8.4
CVSS Score
8.4
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-24
Vendor exim
Product exim
Published Jul 24, 2026
Stay Ahead of the Next One

Get instant alerts for exim exim

Be the first to know when new high vulnerabilities affecting exim exim are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Exim / Exim
4.88 < 4.99.5

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
openwall.com: https://openwall.com/lists/oss-security/2026/07/22/9