asyncos vulnerabilities and fixes

Recent CVEs affecting asyncos, with upgrade or downgrade steps. 2 tracked.

asyncos has 2 tracked vulnerabilities, 2 critical and 2 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 2. Most recent: 2026-10-14. Highest priority: CVE-2026-76461 (score 92/100).

• CVE-2026-76519 CRITICAL 9.8 EXPLOITED UPGRADE Cisco Secure Email Gateway Relative Path Traversal Vulnerability
• CVE-2026-76461 CRITICAL 9.8 EXPLOITED UPGRADE Cisco Secure Email Gateway SQL Injection Vulnerability

FAQ

How do I fix asyncos 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 asyncos being exploited right now?

Yes: 2 asyncos CVEs are on the CISA Known Exploited Vulnerabilities list, so patch those first.

Which asyncos CVE should I patch first?

CVE-2026-76461 currently ranks highest (92/100): Cisco Secure Email Gateway SQL Injection Vulnerability.

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