CVE-2026-81164: Missing Authorization vulnerability in Drupal Entity PDF allows Forceful Browsing

Routine

MEDIUM 5.4UPGRADE

CVE-2026-81164 is a medium-severity flaw (CVSS 5.4) affecting entity pdf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Missing Authorization vulnerability in Drupal Entity PDF allows Forceful Browsing. This issue affects Entity PDF versions: from 0.0.0 to 2.1.5.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-862
Published	2026-09-02
Last modified	2026-10-07

Publisher (CNA): Drupal.org · Vendor: entity pdf project

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-02 13:18 UTCPublished CVE record published
2026-10-07 15:20 UTCUpdated Record last modified

entity pdf project entity pdf UPGRADE

Affected: >= 2.0.0 and < 2.1.5 · >= 8.x-1.0 and <= 8.x-1.1

Fixed in: 2.1.5

Safe to downgrade to: a release before 2.0.0

1. Check installed version

apt-cache policy entity-pdf || rpm -q entity-pdf || entity-pdf --version

2. UPGRADE to 2.1.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade entity-pdf

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade entity-pdf

Note

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

3. If no update is available yet, DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison entity-pdf sudo apt install entity-pdf=<VERSION_BEFORE_2.0.0> sudo apt-mark hold entity-pdf

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list entity-pdf sudo dnf downgrade entity-pdf-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add entity-pdf

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-81164?

entity pdf: upgrade to 2.1.5. Exact commands for each OS are on this page.

Is CVE-2026-81164 being exploited?

CVE-2026-81164 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-2026-81164 affect?

CVE-2026-81164 affects entity pdf. Severity is medium (CVSS 5.4). Missing Authorization vulnerability in Drupal Entity PDF allows Forceful Browsing. This issue affects Entity PDF versions: from 0.0.0 to 2.1.5.

How urgent is CVE-2026-81164?

Priority 22/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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