Insufficiently Protected Credentials

Overview Affected versions of this package are vulnerable to Insufficiently Protected Credentials in the DefaultHttpClient process, which follows redirects and forwards sensitive headers such as Authorization, Cookie, and Proxy-Authorization to redirect targets across domain boundaries. An attack...

Micronaut: DefaultHttpClient follows redirects, forwarding Authorization, Cookie, and Proxy-Authorization headers

Impact DefaultHttpClient follows redirects and forwards Authorization, Cookie, and Proxy-Authorization headers to redirect targets across domain boundaries. The blocklist only filters Host/Connection/TE/CT/CL. Additionally, no maximum redirect count exists, enabling infinite loop DoS. Affected:...

GHSA-Q6GH-6V2R-HJV3 Micronaut: DefaultHttpClient follows redirects, forwarding Authorization, Cookie, and Proxy-Authorization headers

Impact DefaultHttpClient follows redirects and forwards Authorization, Cookie, and Proxy-Authorization headers to redirect targets across domain boundaries. The blocklist only filters Host/Connection/TE/CT/CL. Additionally, no maximum redirect count exists, enabling infinite loop DoS. Affected:...

SUSE CVE-2026-7017

HTTP::Tiny versions before 0.095 for Perl forward credential headers to cross-origin redirect targets. When the server returns a 3xx redirect, mayberedirect follows the Location: header and prepareheadersandcb re-merges the caller's headers argument into the new request, without checking whether...

CVE-2026-59822

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.84.0, LiteLLM's MCP Streamable HTTP endpoint allowed an unauthenticated attacker to use a fabricated Authorization header to trigger an OAuth2 passthrough fallback path that replaced failed LiteLLM key...

CVE-2026-59822

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.84.0, LiteLLM's MCP Streamable HTTP endpoint allowed an unauthenticated attacker to use a fabricated Authorization header to trigger an OAuth2 passthrough fallback path that replaced failed LiteLLM key...

CVE-2026-59822 LiteLLM: MCP Authentication Bypass via OAuth2 Passthrough Fallback

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.84.0, LiteLLM's MCP Streamable HTTP endpoint allowed an unauthenticated attacker to use a fabricated Authorization header to trigger an OAuth2 passthrough fallback path that replaced failed LiteLLM key...

VulnCheck KEV: CVE-2026-59822

BerriAI LiteLLM contains an improper authentication vulnerability in the MCP Streamable HTTP endpoint that could allow an unauthenticated attacker to establish an authenticated MCP session using an arbitrary Bearer token...

PT-2026-56545

Name of the Vulnerable Software and Affected Versions LiteLLM versions prior to 1.84.0 Description LiteLLM is a proxy server that functions as an AI Gateway for calling LLM APIs. The MCP Streamable HTTP endpoint allows an unauthenticated attacker to establish an authenticated MCP session by using...

UBUNTU-CVE-2026-7017

HTTP::Tiny versions before 0.095 for Perl forward credential headers to cross-origin redirect targets. When the server returns a 3xx redirect, mayberedirect follows the Location: header and prepareheadersandcb re-merges the caller's headers argument into the new request, without checking whether...

EUVD-2026-42072

HTTP::Tiny versions before 0.095 for Perl forward credential headers to cross-origin redirect targets. When the server returns a 3xx redirect, mayberedirect follows the Location: header and prepareheadersandcb re-merges the caller's headers argument into the new request, without checking whether...

CVE-2026-7017

HTTP::Tiny versions before 0.095 for Perl forward credential headers to cross-origin redirect targets. When the server returns a 3xx redirect, mayberedirect follows the Location: header and prepareheadersandcb re-merges the caller's headers argument into the new request, without checking whether...

CVE-2026-7017 HTTP::Tiny versions before 0.095 for Perl forward credential headers to cross-origin redirect targets

HTTP::Tiny versions before 0.095 for Perl forward credential headers to cross-origin redirect targets. When the server returns a 3xx redirect, mayberedirect follows the Location: header and prepareheadersandcb re-merges the caller's headers argument into the new request, without checking whether...

CVE-2026-7017

The HTTP::Tiny Perl library (versions before 0.095 ) contains a vulnerability where it forwards sensitive credential headers—such as Authorization , Cookie , and Proxy-Authorization —to cross-origin redirect targets. The root cause lies in the _maybe_redirect and _prepare_headers_and_cb functions...

ESP-IDF web_server basic auth bypass using empty or incomplete Authorization header

SummaryOn the ESP-IDF platform, ESPHome's webserver authentication check can pass incorrectly when the client-supplied base64-encoded Authorization value is empty or is a substring of the correct value e.g., correct username with partial password. This allows access to webserver functionality...

PYSEC-2026-1995 urllib3's Proxy-Authorization request header isn't stripped during cross-origin redirects

When using urllib3's proxy support with ProxyManager, the Proxy-Authorization header is only sent to the configured proxy, as expected. However, when sending HTTP requests without using urllib3's proxy support, it's possible to accidentally configure the Proxy-Authorization header even though it...

urllib3's Proxy-Authorization request header isn't stripped during cross-origin redirects

When using urllib3's proxy support with ProxyManager, the Proxy-Authorization header is only sent to the configured proxy, as expected.However, when sending HTTP requests without using urllib3's proxy support, it's possible to accidentally configure the Proxy-Authorization header even though it...

Scrapy authorization header leakage on cross-domain redirect

ImpactWhen you send a request with the Authorization header to one domain, and the response asks to redirect to a different domain, Scrapy’s built-in redirect middleware creates a follow-up redirect request that keeps the original Authorization header, leaking its content to that second domain.Th...

PYSEC-2026-1908 Scrapy authorization header leakage on cross-domain redirect

Impact When you send a request with the Authorization header to one domain, and the response asks to redirect to a different domain, Scrapy’s built-in redirect middleware creates a follow-up redirect request that keeps the original Authorization header, leaking its content to that second domain...

PT-2026-56232

Name of the Vulnerable Software and Affected Versions HTTP::Tiny versions prior to 0.095 Description When a server returns a 3xx redirect, the maybe redirect function follows the Location: header and the prepare headers and cb function re-merges the caller's headers argument into the new request...