CVE-2026-3266: Missing Authorization vulnerability in OpenText™ Filr allows Authentication Bypass. The vulnerability could al

Q: How do I fix CVE-2026-3266?

filr: upgrade to 25.1.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-3266 being exploited?

CVE-2026-3266 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-3266 affect?

CVE-2026-3266 affects filr. Severity is critical (CVSS 9.8). 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.

Q: How urgent is CVE-2026-3266?

Priority 48/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-3266 is a critical-severity flaw (CVSS 9.8) affecting filr. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-03-03
Last modified	2026-06-17

Publisher (CNA): OpenText · Vendor: opentext

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-03 23:15 UTCPublished CVE record published
2026-06-17 10:43 UTCUpdated Record last modified

opentext filr UPGRADE

Affected: < 25.1.3

Fixed in: 25.1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy filr || rpm -q filr || filr --version

2. UPGRADE to 25.1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade filr

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade filr

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-3266?

filr: upgrade to 25.1.3. Exact commands for each OS are on this page.

Is CVE-2026-3266 being exploited?

CVE-2026-3266 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-3266 affect?

CVE-2026-3266 affects filr. Severity is critical (CVSS 9.8). 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.

How urgent is CVE-2026-3266?

Priority 48/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-4187 MEDIUM 5.4 DOWNGRADE Stored XSS vulnerability has been discovered in OpenText™ Filr product, affecting versions 24.1.1 and 24.2

References

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