What is CVE-2026-3266?

CVE-2026-3266 is a critical-severity vulnerability in Opentext Filr, classified under Missing Authorization. CVSS score: 9.8/10. Published 2026-03-03.

How severe is CVE-2026-3266?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Opentext Filr

CVE-2026-3266

Missing Authorization vulnerability in OpenText™ Filr allows Authentication Bypass. The vulnerability could allow unauthenticated users to get XSRF token and do RPC with carefully crafted programs. This issue affects Filr: through 25.1.2.

Vulnerability class: Broken Access Control

EPSS: 0.003 (26.8th 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

Opentext Filr
Opentext™ Filr — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@opentext.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-3266?: CVE-2026-3266 is a critical-severity vulnerability in Opentext Filr, classified under Missing Authorization. CVSS score: 9.8/10. Published 2026-03-03.
How severe is CVE-2026-3266?: Critical severity. CVSS v3 base score is 9.8 out of 10.