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CVE-2026-3266

Opentext Filr broken access control

9.8 CRITICALEPSS 0.56%
  1. Published3 Mar 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Opentext Filr< 25.1.3

Remediation

Fixed in
Opentext Filr≥ 25.1.3

References

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Frequently asked

Is CVE-2026-3266 being actively exploited?

CVE-2026-3266 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.56%.

How severe is CVE-2026-3266?

CVE-2026-3266 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.56% probability of exploitation.

Which products are affected by CVE-2026-3266?

Affected products include Opentext Filr.

How do I fix CVE-2026-3266?

Upgrade affected software to a fixed version, for example Opentext Filr 25.1.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-3266 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.