CVE-2026-16647: Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Disable Login Page allows Fun

Q: How do I fix CVE-2026-16647?

disable login page: upgrade to 1.1.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-16647 being exploited?

CVE-2026-16647 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-2026-16647 affect?

CVE-2026-16647 affects disable login page. Severity is medium (CVSS 4.1). Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Disable Login Page allows Functionality Bypass. This issue affects Disable Login Page versions: from 0.0.0 to 1.1.4.

Q: How urgent is CVE-2026-16647?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 4.1UPGRADE

CVE-2026-16647 is a medium-severity flaw (CVSS 4.1) affecting disable login page. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Disable Login Page allows Functionality Bypass. This issue affects Disable Login Page versions: from 0.0.0 to 1.1.4.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-288
Published	2026-09-02
Last modified	2026-09-08

Publisher (CNA): Drupal.org · Vendor: zyxware

Last updated 2026-09-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-02 13:17 UTCPublished CVE record published
2026-09-08 14:42 UTCUpdated Record last modified

zyxware disable login page UPGRADE

Affected: < 1.1.4

Fixed in: 1.1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy disable-login-page || rpm -q disable-login-page || disable-login-page --version

2. UPGRADE to 1.1.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade disable-login-page

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade disable-login-page

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-2026-16647?

disable login page: upgrade to 1.1.4. Exact commands for each OS are on this page.

Is CVE-2026-16647 being exploited?

CVE-2026-16647 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-2026-16647 affect?

CVE-2026-16647 affects disable login page. Severity is medium (CVSS 4.1). Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Disable Login Page allows Functionality Bypass. This issue affects Disable Login Page versions: from 0.0.0 to 1.1.4.

How urgent is CVE-2026-16647?

Priority 22/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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