avantra vulnerabilities and fixes
Recent CVEs affecting avantra, with upgrade or downgrade steps. 4 tracked.
avantra has 4 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 4. Most recent: 2026-05-22. Highest priority: CVE-2026-8670 (score 42/100).
- CVE-2026-8670 CRITICAL 9.6 UPGRADE Insufficient session expiration vulnerability in syslink software AG Avantra on Linux, Windows allows Reusing
- CVE-2026-8671 HIGH 7.5 UPGRADE Insertion of sensitive information into log file vulnerability in syslink software AG Avantra on Linux, Window
- CVE-2026-8673 MEDIUM 5.9 UPGRADE Unprotected transport of credentials vulnerability in syslink software AG Avantra on Linux, Windows allows Sni
- CVE-2026-8672 MEDIUM 5.1 UPGRADE Use of default password vulnerability in syslink software AG Avantra on Linux, Windows allows Try Common or De
FAQ
How do I fix avantra vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is avantra being exploited right now?
None of the tracked avantra CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which avantra CVE should I patch first?
CVE-2026-8670 currently ranks highest (42/100): Insufficient session expiration vulnerability in syslink software AG Avantra on Linux, Windows allows Reusing .