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CVE-2026-104935

HIGH 8.6 KNOWN EXPLOITED DETECTION TEMPLATE

Published 2026-10-13 · Last modified 2026-10-13

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.

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2026-10-13. Patch or mitigate now.

Exploitation likelihood

86.8%chance of exploitation in 30 days · 100th percentile

● In CISA KEV (2026-10-13) ○ Catalogued PoC

Impact if exploited

8.6CVSS 3.1 · HIGH

  • ConfidentialityHigh
  • IntegrityLow
  • AvailabilityLow

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Detection templates

Detection checks are listed separately from PoCs.

Resource commands

nuclei -id CVE-2026-104935 -u https://TARGETDetection template — review its checks and affected versions before use.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked daily for recent CVEs, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Ivanti

Products Connect Secure

Weakness (CWE)

  • CWE-290: Authentication bypass by spoofing

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

References and research data (JSON)

Unverified PoC candidates

Catalogue matches for further research. These repositories have not been validated as working exploits.

5 candidates

Additional exploitation reports

Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.

  • VulnCheck KEV · 2026-10-13T00:00:00Z

    Source guidance: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

    Source ransomware assessment: Unknown

    VulnCheck KEV · CVE-2026-104935 · Updated 2026-10-13T00:00:00Z
  • VulnCheck KEV · 2026-10-13T00:00:00ZVulnCheck KEV · CVE-2026-104935
    VulnCheck KEV · CVE-2026-104935
    VulnCheck KEV · CVE-2026-104935
  • VulnCheck KEV · 2026-10-22T00:00:00ZVulnCheck KEV · CVE-2026-104935
  • VulnCheck KEV · 2026-10-23T00:00:00ZVulnCheck KEV · CVE-2026-104935
  • VulnCheck KEV · 2026-10-24T00:00:00ZVulnCheck KEV · CVE-2026-104935
  • VulnCheck KEV · 2026-10-25T00:00:00ZVulnCheck KEV · CVE-2026-104935

Known Affected Software Configurations

VendorProductVersion range
IvantiConnect Secure≥ 25.1.0.0 and < 25.1.1.2
IvantiConnect Secure≥ 25.1.2.0 and < 25.1.3.0
IvantiConnect Secure22.8
IvantiConnect Secure22.8
IvantiConnect Secure22.8
IvantiConnect Secure22.8
IvantiConnect Secure22.8

All CVSS metrics

  • HIGH 8.6 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
  • HIGH 8.6 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

References

Advisories

Technical & other

Sources: NVD · CVE.org · EPSS