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CRITICAL · CVSS 9.8 CISA Known Exploited Vulnerability Used in ransomware attacks

CVE-2026-9082

Drupal Core SQL Injection Vulnerability

Drupal Core

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Drupal Drupal core allows SQL Injection. This issue affects Drupal core: from 8.9.0 before 10.4.10, from 10.5.0 before 10.5.10, from 10.6.0 before 10.6.9, from 11.0.0 before 11.1.10, from 11.2.0 before 11.2.12, from 11.3.0 before 11.3.10.

CVSS
9.8
CRITICAL
EPSS
89.4%
30-day exploitation
Ransomware groups
1
recorded exploiting
Published
20 May 2026
CWE-89

Ransomware groups exploiting CVE-2026-9082

Thegentlemen 1,156 victims tracked

The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server

Exploitation is attributed to these groups across their recorded activity. It does not follow that every organisation they listed was reached through CVE-2026-9082 — the source data does not record an entry point per incident.

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 22 May 2026. US federal agencies were required to remediate it by 27 May 2026.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 89.4%, which is higher than 99.8% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

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

Recent listings by these groups

Disclosures from the groups above, newest first.

Frequently asked questions

Is CVE-2026-9082 being exploited by ransomware groups?

Yes. CVE-2026-9082 is recorded as exploited by Thegentlemen. Between them these groups account for 1,156 victim disclosures in this database.

What does CVE-2026-9082 affect?

CVE-2026-9082 affects Drupal Core. Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Drupal Drupal core allows SQL Injection. This issue affects Drupal core: from 8.9.0 before 10.4.10, from 10.5.0 before 10.5.10, from 10.6.0 before 10.6.9, from 11.0.0 before 11.1.10, from 11.2.0 before 11.2.12, from 11.3.0 before 11.3.10.

How severe is CVE-2026-9082?

CVE-2026-9082 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 89.4%, higher than 99.8% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 27 May 2026.

How should organisations respond to CVE-2026-9082?

Apply the vendor patch for Drupal Core as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.