CVE-2026-66140 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
mitre	CNA	8.4 HIGH	LOCAL	LOW	NONE	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
exim	exim	4.88 ≤ 𝑥 < 4.99.5	CNA

Debian Releases

Debian Product

Codename

exim4

bookworm	vulnerable
bookworm (security)	vulnerable
bullseye	vulnerable
bullseye (security)	vulnerable
forky	vulnerable
sid	4.99.4-2 fixed
trixie	vulnerable
trixie (security)	vulnerable

Common Weakness Enumeration

CWE-24 - Path Traversal: '../filedir'
The software uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize "../" sequences that can resolve to a location that is outside of that directory.

Vulnerability Media Exposure

[GERMAN] Exim: Mehrere Schwachstellen
Ein lokaler Angreifer kann mehrere Schwachstellen in Exim ausnutzen, um beliebige Befehle auszuführen und Berechtigungen zu erweitern.
Published: 2026-07-22T22:00:00+00:00

References

https://openwall.com/lists/oss-security/2026/07/22/9