CVE-2026-47203: Authelia Missing Username Canonicalization in Basic Auth (LDAP)

May 29, 2026

CVSSv4 Baseline Score: Moderate 6.3

CVSSv4 Weighted Score: Low 2.9

The full CVSSv4 Vector for this vulnerability is:

References

github.com/advisories/GHSA-hjj4-hfjm-fmrj
github.com/authelia/authelia/commit/b8985b57b70acdff8f204ed426ff619e763461ad
github.com/authelia/authelia/security/advisories/GHSA-hjj4-hfjm-fmrj
nvd.nist.gov/vuln/detail/CVE-2026-47203

Code Behaviors & Features

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