Auth bypass in Tungsten Automation Kofax Capture
CVE-2026-23751
Kofax Capture, now referred to as Tungsten Capture, version 6.0.0.0 (other versions may be affected) exposes a deprecated .NET Remoting HTTP channel on port 2424 via the Ascent Capture Service that is accessible without authentication and…
Vulnerability class: Broken Authentication
EPSS: 0.003 (51.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tungsten Automation Kofax Capture — versions 6.0.0.0
- Tungsten Automation Capture (Formerly Kofax Capture) — versions 6.0.0.0
Weakness classification (CWE)
References
- gist.github.com/VAMorales/3888941d6e5efdd4b2e673e999f68ca2 (technical-description, exploit)
- docshield.tungstenautomation.com/Portal/Products/en_US/KC/11.1.0-40hy9nfk91/KC… (product)
- www.vulncheck.com/advisories/kofax-capture-unauthenticated-file-read-write-smb-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-23751?
- CVE-2026-23751 is a critical-severity vulnerability in Tungsten Automation Kofax Capture, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-04-23.
- How severe is CVE-2026-23751?
- Critical severity. CVSS v3 base score is 9.8 out of 10.