Ivanti Connect Secure zero-day exploited, one of the patches still pending
Ivanti has patched CVE-2026-104935, exploited since early October on its VPN gateways. But the attack chain also relies on a privilege escalation flaw that remains unpatched.
Vendor
36 vulnerabilities in Ivanti products are listed in CISA’s catalog of actively exploited vulnerabilities, 12 of them used by ransomware. Latest addition on October 13, 2026: CVE-2026-104935 (Connect Secure).
Ivanti has patched CVE-2026-104935, exploited since early October on its VPN gateways. But the attack chain also relies on a privilege escalation flaw that remains unpatched.
Recent CERT-FR publications naming this vendor (alerts: immediate threat; notices: patches released). In French.
CERTFR-2026-ALE-001CERTFR-2025-ALE-007CERTFR-2025-ALE-003CERTFR-2025-ALE-001CERTFR-2024-ALE-013CERTFR-2024-ALE-001CISA KEV catalog, newest first: each entry corresponds to observed exploitation.
CVE-2026-104935CVE-2026-10520CVE-2026-6973CVE-2026-1340CVE-2026-1603CVE-2026-1281CVE-2025-4428CVE-2025-4427CVE-2025-22457Used by ransomwareCVE-2024-13161CVE-2024-13160CVE-2024-13159CVE-2025-0282Used by ransomwareCVE-2024-9380CVE-2024-9379CVE-2024-29824CVE-2024-7593CVE-2024-8963CVE-2024-8190CVE-2021-44529Used by ransomwareCVE-2024-21893Used by ransomwareCVE-2023-35082Used by ransomwareCVE-2024-21887Used by ransomwareCVE-2023-46805Used by ransomwareCVE-2023-38035Used by ransomwareCVE-2023-35081CVE-2023-35078Used by ransomwareCVE-2021-22900CVE-2021-22899CVE-2021-22894CVE-2021-22893Used by ransomwareCVE-2020-8260CVE-2020-8243CVE-2020-15505CVE-2019-11539Used by ransomwareCVE-2019-11510Used by ransomwareIf your estate includes any of these products, make sure the vendor’s patches are applied, starting with the most recent vulnerabilities and those used by ransomware, then look for signs of compromise: an exploited vulnerability has often been used before it was fixed.
Additions from all vendors are tracked on the Actively exploited vulnerabilities page, updated several times a day. Sources: CISA KEV catalog (US public domain) and CERT-FR.