curl: Proxy CONNECT response poisoning via authentication retry in cf-h1-proxy.c (libcurl)

Summary: When an HTTP/1.x proxy returns a 407 with no Content-Length and no chunked transfer-encoding, lib/cf-h1-proxy.c singleheader sets ts-keepon = KEEPONDONE but never sets ts-closeconnection = TRUE. Because ts-closeconnection and conn-bits.close both stay false, the CONNECT tunnel state...

CVE-2026-48851

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

CVE-2026-48851

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

UBUNTU-CVE-2026-48851

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

CVE-2026-48851

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

CVE-2026-48851

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indicator for TELNET data, but the trust status is not cleared between proxy authentication and the main session. This may cause a misleading trust cue to the user. Affected version range is 0.77–0.83; remediation is to upgrade to 0....

EUVD-2026-31731

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

CVE-2026-48851

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

CVE-2026-48851

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

CVE-2026-48851

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

CVE-2026-48851

PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session...

PT-2026-43123

Name of the Vulnerable Software and Affected Versions PuTTY versions 0.77 through 0.83 Description The software uses a copy of the PuTTY icon to indicate trust for TELNET data. However, the trust status is not cleared between the proxy authentication phase and the main session, which may lead to...

PuTTY 安全漏洞

PuTTY is a suite of free Telnet, Rlogin and SSH client software from the individual developer Simon Tatham. The software is primarily used for remote administration of Linux systems. A security vulnerability exists in PuTTY versions prior to 0.84 that stems from using a copy of the PuTTY icon as ...

CLSA-2026-1779372207 curl: Fix of CVE-2026-7168

CVE-2026-7168: clear proxy Digest auth state when CURLOPTPROXY is reassigned to a different proxy host on the same easy handle so a stale Proxy-Authorization header is not replayed to the new proxy...

LiteLLM 安全漏洞

LiteLLM is an open-source application developed by Berri AI. It allows for the invocation of all LLM APIs in the OpenAI format. Versions of LiteLLM from 1.80.5 to 1.83.7 contained a security vulnerability. This vulnerability stemmed from the POST /prompts/test endpoint accepting user-provided...

CVE-2026-41404 OpenClaw < 2026.3.31 - Operator Admin Privilege Escalation via Trusted-Proxy Authentication

OpenClaw before 2026.3.31 contains an incomplete scope-clearing vulnerability in trusted-proxy authentication mode that allows operator.admin privilege escalation. Attackers can exploit this by declaring operator scopes on non-Control-UI clients, allowing self-declared scopes to persist on...

OpenClaw 安全漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw prior to 2026.3.31 contained security vulnerabilities. These vulnerabilities stemmed from incomplete range clearance issues in the trusted proxy authentication mode, which could allow attackers...

PT-2026-35787

OpenClaw before 2026.3.31 contains an incomplete scope-clearing vulnerability in trusted-proxy authentication mode that allows operator.admin privilege escalation. Attackers can exploit this by declaring operator scopes on non-Control-UI clients, allowing self-declared scopes to persist on...

curl: CVE-2026-7168: cross-proxy Digest auth state leak

Summary: On libcurl 8.19.0, Proxy Digest state learned from proxyA survives an independent transfer boundary on a reused easy handle and is emitted preemptively to proxyB when the proxy is changed. In the attached C PoC, the first CONNECT to proxyB carries Proxy-Authorization: Digest ... built fr...

CVE-2026-40606

mitmproxy is a interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers and mitmweb is a web-based interface for mitmproxy. In mitmproxy 12.2.1 and below, the builtin LDAP proxy authentication does not correctly sanitize the username when querying the LDAP...