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CVE-2024-55634: Drupal's uniqueness checking for certain user fields is inconsistent depending on the database engine and its collation.

medium Affects drupal/core, drupal/core-recommended, drupal/drupal. Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

Drupal's uniqueness checking for certain user fields is inconsistent depending on the database engine and its collation.

Package
drupal/core Composer
Affected versions
>= 8.0.0 < 10.2.11 or >= 10.3.0 < 10.3.9 or >= 11.0.0 < 11.0.8 or >=8.0.0 and <10.2.11 or >=10.3.0 and <10.3.9 or >=11.0.0 and <11.0.8
Fixed in
10.2.11, 10.3.9, 11.0.8
Severity
medium
Exploitation
not on CISA KEV · EPSS 0% (35.7th percentile)
Published
2024-11-20
Source
osv.dev

References

Drupal core Access bypass

Package
drupal/core-recommended Composer
Affected versions
>=8.0.0 and <10.2.11 or >=10.3.0 and <10.3.9 or >=11.0.0 and <11.0.8
Fixed in
10.2.11, 10.3.9, 11.0.8
Severity
medium
Exploitation
not on CISA KEV · EPSS 0% (35.7th percentile)
Published
2024-12-10
Source
osv.dev

References

Drupal core Access bypass

Package
drupal/drupal Composer
Affected versions
>=8.0.0 and <10.2.11 or >=10.3.0 and <10.3.9 or >=11.0.0 and <11.0.8
Fixed in
10.2.11, 10.3.9, 11.0.8
Severity
medium
Exploitation
not on CISA KEV · EPSS 0% (35.7th percentile)
Published
2024-12-10
Source
osv.dev

References

CWE-178
NVD recorddrupal/core advisoriesdrupal/core-recommended advisoriesdrupal/drupal advisories

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