7.5
HIGH CVSS 3.1
CVE-2026-8671
Log Files contain encrypted secrets
Description

Insertion of sensitive information into log file vulnerability in syslink software AG Avantra on Linux, Windows allows Resource Leak Exposure. This issue affects Avantra: before 25.3.0.

INFO

Published Date :

May 22, 2026, 2:16 p.m.

Last Modified :

June 2, 2026, 2:56 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-8671 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Microsoft windows
1 Avantra avantra
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 455daabc-a392-441d-aa46-37d35189897c
CVSS 3.1 HIGH MITRE-CVE
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Solution
Update Avantra to version 25.3.0 or later to fix sensitive information logging.
  • Update Avantra to version 25.3.0 or later.
  • Review and sanitize log files for sensitive data.
  • Implement proper error handling for resource management.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-8671.

URL Resource
https://support.avantra.com/hc/en-us/articles/5535487249183 Vendor Advisory Mitigation
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-8671 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-8671 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-8671 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-8671 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jun. 02, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CPE Configuration AND OR *cpe:2.3:a:avantra:avantra:*:*:*:*:*:*:*:* versions up to (excluding) 25.3.0 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
    Added Reference Type Switzerland Government Common Vulnerability Program: https://support.avantra.com/hc/en-us/articles/5535487249183 Types: Mitigation, Vendor Advisory
  • New CVE Received by [email protected]

    May. 22, 2026

    Action Type Old Value New Value
    Added Description Insertion of sensitive information into log file vulnerability in syslink software AG Avantra on Linux, Windows allows Resource Leak Exposure. This issue affects Avantra: before 25.3.0.
    Added CVSS V3.1 AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
    Added CWE CWE-532
    Added Reference https://support.avantra.com/hc/en-us/articles/5535487249183
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.