CVE-2026-94057
MEDIUMCVSS 4/10
Last modified
CVE-2026-94057 is a medium-severity vulnerability rated 4/10 on the CVSS scale. Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing..
Description
Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Exim | Exim | < 4.100.1 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-94057?
Exim before 4.100.1 allows SMTP smuggling in which the received message does not match any sent message, and instead depends on crafted data sent after a rejection during DATA processing.
How severe is CVE-2026-94057?
CVE-2026-94057 has a CVSS score of 4/10 (MEDIUM severity).
How do I fix CVE-2026-94057?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-9403A vulnerability was determined in Edimax BR-6675nD 1.12. The…8.8
- CVE-2026-9404A vulnerability was identified in Totolink A8000RU 7.1cu.643…9.8
- CVE-2026-9405A security flaw has been discovered in Totolink A8000RU 7.1c…9.8
- CVE-2026-94054Exim before 4.100.1, when Proxy-Protocol is used with an att…7
- CVE-2026-94055Exim before 4.100.1, when certain non-default TLS settings a…3.7
- CVE-2026-94056Exim before 4.100.1, when Proxy-Protocol is used with an att…7.5
- CVE-2026-9406A weakness has been identified in Totolink A8000RU 7.1cu.643…9.8
- CVE-2026-9407A security vulnerability has been detected in Totolink A8000…9.8
- CVE-2026-9408A vulnerability was detected in Totolink A8000RU 7.1cu.643_b…9.8
- CVE-2026-9409A flaw has been found in Sushmi-pal Invoice-System up to a0a…4.3
- CVE-2026-9410A vulnerability has been found in Sushmi-pal Invoice-System …4.3
- CVE-2026-9411A vulnerability was found in SourceCodester Indian Invoicing…6.3
Are you affected by CVE-2026-94057?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST