CVE-2026-54276: aiohttp: DigestAuthMiddleware Applies Credentials to Cross-Origin Redirect Challenges

June 15, 2026

DigestAuthMiddleware can send an authentication response after following a cross-origin redirect.

References

github.com/advisories/GHSA-hpj7-wq8m-9hgp
github.com/aio-libs/aiohttp/commit/38d16060037e1bfcd6d677abababa3c2a4bb58fa
github.com/aio-libs/aiohttp/security/advisories/GHSA-hpj7-wq8m-9hgp
nvd.nist.gov/vuln/detail/CVE-2026-54276

Code Behaviors & Features

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