CVE-2026-9726: Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal

Q: How do I fix CVE-2026-9726?

alternativecommerce: upgrade to 2.1.17. Exact commands for each OS are on this page.

Q: Is CVE-2026-9726 being exploited?

CVE-2026-9726 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-2026-9726 affect?

CVE-2026-9726 affects alternativecommerce. Severity is critical (CVSS 9.8). Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal AlternativeCommerce (Basket) allows Object Injection. This issue affects Drupal AlternativeCommerce (Basket) versions: from 0.0.0

Q: How urgent is CVE-2026-9726?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-9726 is a critical-severity flaw (CVSS 9.8) affecting alternativecommerce. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal AlternativeCommerce (Basket) allows Object Injection. This issue affects Drupal AlternativeCommerce (Basket) versions: from 0.0.0 to 2.1.17.

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	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-915
Published	2026-07-10
Last modified	2026-10-25

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

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-10 21:17 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

alternativecommerce alternativecommerce UPGRADE

Affected: < 2.1.17

Fixed in: 2.1.17

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.1.17 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade alternativecommerce

Note

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

Exact fixes by distribution

Fedora ELN · nginx-mod-headers-more · FIXED · 0.41-1.eln159 · FEDORA-2026-31f55f396a · source

sudo dnf upgrade --advisory=FEDORA-2026-31f55f396a

Fedora 46 · erlang-hex_core · FIXED · 0.21.1-1.fc46 · FEDORA-2026-f3389199ff · source

sudo dnf upgrade --advisory=FEDORA-2026-f3389199ff

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-2026-9726?

alternativecommerce: upgrade to 2.1.17. Exact commands for each OS are on this page.

Is CVE-2026-9726 being exploited?

CVE-2026-9726 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-2026-9726 affect?

CVE-2026-9726 affects alternativecommerce. Severity is critical (CVSS 9.8). Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal AlternativeCommerce (Basket) allows Object Injection. This issue affects Drupal AlternativeCommerce (Basket) versions: from 0.0.0

How urgent is CVE-2026-9726?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Drupal vulnerabilities

References

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