CVE-2026-25478

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, CORSConfig.allowedoriginsregex is constructed using a regex built from configured allowlist values and used with fullmatch for validation. Because metacharacters are not escaped, a malicious origin can match...

CVE-2026-25478

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, CORSConfig.allowedoriginsregex is constructed using a regex built from configured allowlist values and used with fullmatch for validation. Because metacharacters are not escaped, a malicious origin can match...

CVE-2026-25478

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, CORSConfig.allowedoriginsregex is constructed using a regex built from configured allowlist values and used with fullmatch for validation. Because metacharacters are not escaped, a malicious origin can match...

CVE-2026-25478 Litestar has a CORS origin allowlist bypass due to unescaped regex metacharacters in allowed origins

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, CORSConfig.allowedoriginsregex is constructed using a regex built from configured allowlist values and used with fullmatch for validation. Because metacharacters are not escaped, a malicious origin can match...

PT-2026-7135

Name of the Vulnerable Software and Affected Versions Litestar versions prior to 2.20.0 Description Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to version 2.20.0, the CORS origin validation process can be bypassed. This occurs because the allowed-origins allowlist i...