CVE-2026-104935KEV · OVERDUECWE-290

Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability

High · published October 13, 2026

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.6. It is confirmed in active exploitation. It sits in the 98.0th percentile for exploit probability.

9
days past CISA
deadline
CVSS v3.1
8.6
EPSS
26%
Percentile
98.0
In the wild
Confirmed
What it is

Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands. This does not impact ICS version 22.7R2.14 or prior.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.25982 · 98.0th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2026-10-13T20:17Z
KEV added
2026-10-13 · due 2026-10-16
Affected products (7)
ProductVersionsFixed in
ivanti/connect_secure≥ 25.1.0.0, < 25.1.1.225.1.1.2
ivanti/connect_secure≥ 25.1.2.0, < 25.1.3.025.1.3.0
ivanti/connect_secureall versions—
ivanti/connect_secureall versions—
ivanti/connect_secureall versions—
ivanti/connect_secureall versions—
ivanti/connect_secureall versions—
References (2)
https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-CVE-2026-104935 · 3c1d8aa1-5a33-4ea4-8992-aadd6440af75https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-104935 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 26%
    epss
  • 13 OCT 15:31Z
    Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands
    cvelistv5
  • 13 OCT 15:31Z
    Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands
    cvelistv5
  • 13 OCT 00:00Z
    Added to CISA KEV — remediate by Oct 16
    kev