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2018-10-17-5: Contextual Links validation - Critical - Remote Code Execution

unknown Affects drupal/core, drupal/drupal. Feed 2026.10.29.4, updated 2026-10-29.

Contextual Links validation - Critical - Remote Code Execution

Package
drupal/core Composer
Affected versions
>=8.0.0 and <8.1.0 or >=8.1.0 and <8.2.0 or >=8.2.0 and <8.3.0 or >=8.3.0 and <8.4.0 or >=8.4.0 and <8.5.0 or >=8.5.0 and <8.5.8 or >=8.6.0 and <8.6.2
Fixed in
8.5.8, 8.6.2
Severity
unknown
Exploitation
not on CISA KEV
Source
friendsofphp

References

Contextual Links validation - Critical - Remote Code Execution

Package
drupal/drupal Composer
Affected versions
>=8.0.0 and <8.1.0 or >=8.1.0 and <8.2.0 or >=8.2.0 and <8.3.0 or >=8.3.0 and <8.4.0 or >=8.4.0 and <8.5.0 or >=8.5.0 and <8.5.8 or >=8.6.0 and <8.6.2
Fixed in
8.5.8, 8.6.2
Severity
unknown
Exploitation
not on CISA KEV
Source
friendsofphp

References

NVD recorddrupal/core advisoriesdrupal/drupal advisories

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