CVE-2026-42855 (GCVE-0-2026-42855)
Vulnerability from cvelistv5
Published
2026-05-12 21:56
Modified
2026-05-13 15:36
CWE
  • CWE-287 - Improper Authentication
Summary
arduino-esp32 is an Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2 microcontrollers. Prior to 3.3.8, the WebServer Digest authentication implementation in arduino-esp32 computes the authentication hash using the URI field from the client's Authorization header, without verifying that it matches the actual requested URI. This allows an attacker who possesses any valid digest response (computed for URI-A) to authenticate requests to a completely different protected URI (URI-B), bypassing per-resource access control. This vulnerability is fixed in 3.3.8.
Impacted products
Vendor Product Version
espressif arduino-esp32 Version: < 3.3.8
Create a notification for this product.
Show details on NVD website


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