CVE-2026-66140
HIGH
7.8
CVSS Score
Published: July 24, 2026 at 04:32 AM UTC
Updated: August 17, 2026 at 07:15 PM UTC
1 product affected across 1 vendorExim
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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
Mailing ListThird Party Advisory
Source: cverecord
https://openwall.com/lists/oss-security/2026/07/22/9SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-24
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