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CVE-2026-3873

HIGH CVSS 3.1: 7.2 EPSS 0.01%
Updated Mar 16, 2026
Parameter Value
CVSS 7.2 (HIGH)
Affected Versions before 25.3.0.
Type CWE-798 (Hardcoded Credentials)
Public PoC No

Use of Hard-coded Credentials vulnerability in Avantra allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Avantra: before 25.3.0.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

CWE-798 Hardcoded Credentials

References 1

https://support.avantra.com/hc/en-us/articles/5352465121695-Security-Notice-Leg…
vulnerability@ncsc.ch
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