OS command injection in Drupal Cloud allows remote code execution
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-78.
Summary
Drupal Cloud from 0.0.0 before 7.0.1 is affected. Improper neutralization of special elements lets user input reach an operating system command (CWE-78). A remote attacker with low privileges can run OS commands on the server after a user takes part in the attack, though the conditions are complex.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
Improper Neutralization of Special Elements used in an OS Command ("OS Command Injection") vulnerability in Drupal Cloud allows OS Command Injection. This issue affects Cloud versions: from 0.0.0 to 7.0.1.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update Drupal Cloud to version 7.0.1 or later, as fixed in security advisory SA-CONTRIB-2026-177.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA Cloud (Drupal) Fixed in 7.0.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Drupal Cloud 7.0.1
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-79123 Improper certificate validation in Drupal CloudPriority LOW 21
Timeline
- 2026-10-22 Threatist record created from CVE-2026-96376
- 2026-10-22 Alias added: GHSA-p722-3jpg-j5xw
- 2026-10-22 CVSS score added · CISA ADP
- 2026-10-22 CISA SSVC decision points changed
- 2026-10-23 CISA SSVC decision points changed
References
More Drupal vulnerabilities
- TI-2026-07979 Drupal core - Highly critical - SQL injection - SA-CORE-2026-004 KEVCVSS 3.1CRITICAL 9.8
- TI-2018-05494 Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004 KEVCVSS 3.1CRITICAL 9.8
- TI-2018-05493 Improper input validation in Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-10731 Unrestricted file upload in Drupal Core KEVCVSS 3.1HIGH 8.8
- TI-2019-04505 Drupal core - Highly critical - Remote Code Execution KEVCVSS 3.1HIGH 8.1
- TI-2020-17477 Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2026-96376 · CVE Program
- CVE-2026-96376 · NVD
- FIRST EPSS
- GHSA-p722-3jpg-j5xw · GitHub Advisory Database · CC BY 4.0
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