---
title: "CVE-2026-107249: Drupal Block AJAX - Insecure Deserialization"
description: "Drupal Block AJAX <= 3.0.2 contains an object injection vulnerability caused by improperly controlled modification of dynamically-determined object attributes, letting attackers inject malicious objects remotely, exploit requires crafted request."
url: https://panop.io/threat-heartbeat/CVE-2026-107249/
---

# CVE-2026-107249 Drupal Block AJAX - Insecure Deserialization

Drupal Block AJAX <= 3.0.2 contains an object injection vulnerability caused by improperly controlled modification of dynamically-determined object attributes, letting attackers inject malicious objects remotely, exploit requires crafted request.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.19% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-107249)

## Details

Type

Insecure Deserialization

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

30 October 2026

Updated

31 October 2026

Weakness

[CWE-915](https://cwe.mitre.org/data/definitions/915.html)

## Vendor fix

Upgrade to a version later than 3.0.2 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-107249](https://nvd.nist.gov/vuln/detail/CVE-2026-107249)
- [https://www.drupal.org/sa-contrib-2026-192](https://www.drupal.org/sa-contrib-2026-192)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)
