Improper Handling of Case Sensitivity vulnerability in elixir-tesla tesla allows credential leakage to a third-party origin on cross-origin redirects. Tesla.Middleware.FollowRedirects strips securit…
Medium CVSS 5.9
Summary
Improper Handling of Case Sensitivity vulnerability in elixir-tesla tesla allows credential leakage to a third-party origin on cross-origin redirects. Tesla.Middleware.FollowRedirects strips security-sensitive headers on cross-origin redirects using a case-sensitive string comparison against a lowercase filter list (@filter_headers ["authorization", "host"]). HTTP header names are case-insensitive per RFC 7230, but Tesla preserves header keys verbatim as supplied by the caller without normaliz…
In-depth triage
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- https://cna.erlef.org/cves/CVE-2026-48595.html Third Party Advisory
- https://github.com/elixir-tesla/tesla/commit/db963dba67651b9abd1fc420a1d9679cf6efe182 Patch
- https://github.com/elixir-tesla/tesla/security/advisories/GHSA-9m9w-gxf7-rh8m Vendor Advisory
- https://osv.dev/vulnerability/EEF-CVE-2026-48595 Third Party Advisory
- https://github.com/elixir-tesla/tesla/security/advisories/GHSA-9m9w-gxf7-rh8m Vendor Advisory
Timeline
- nvd_ingest NVD