What is CVE-2026-8672?

CVE-2026-8672 is a medium-severity vulnerability in Avantra, classified under CWE-1393. CVSS score: 5.1/10. Published 2026-05-22.

How severe is CVE-2026-8672?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Vulnerability in Avantra

CVE-2026-8672

Use of default password vulnerability in syslink software AG Avantra on Linux, Windows allows Try Common or Default Usernames and Passwords. This issue affects Avantra: before 25.3.0.

Published 2026-05-22 · last modified 2026-07-23.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (3.8th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

Avantra
Linux Kernel
Microsoft Windows
Syslink Software Ag Avantra — versions 0

Weakness classification (CWE)

CWE-1393

References

support.avantra.com/hc/en-us/articles/5535551609759 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-8672?: CVE-2026-8672 is a medium-severity vulnerability in Avantra, classified under CWE-1393. CVSS score: 5.1/10. Published 2026-05-22.
How severe is CVE-2026-8672?: Medium severity. CVSS v3 base score is 5.1 out of 10.