CURL-CVE-2026-6276 stale custom cookie host causes cookie leak

Using libcurl, when a custom Host: header is first set for an HTTP request and a second request is subsequently done using the same easy handle but without the custom Host: header set, the second request would use stale information and pass on cookies meant for the first host in the second reques...

stale custom cookie host causes cookie leak

Using libcurl, when a custom Host: header is first set for an HTTP request and a second request is subsequently done using the same easy handle but without the custom Host: header set, the second request would use stale information and pass on cookies meant for the first host in the second reques...

CURL-CVE-2026-7168 cross-proxy Digest auth state leak

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

cross-proxy Digest auth state leak

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

CLSA-2026-1777446601 Fix CVE(s): CVE-2020-13935

SECURITY UPDATE: denial of service via crafted WebSocket frame with a 64-bit payload length whose most significant bit is set. The extended payload length read in WsFrameBase.processRemainingHeader was assembled into a Java long without validation. With bit 63 set the value became negative, which...

Exploit for Command Injection in Github Enterprise_Server

CVE-2026-3854 PoC — GitHub RCE via X-Stat Push Option Injectio...

DEBIAN-CVE-2026-40560

Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present in an HTTP request. Per RFC 7230 3.3.3, Transfer-Encoding must take precedence. An...

PT-2026-36196

Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.99.2 Description An out-of-bounds heap write can occur when JSON lookup is enabled. This happens when a JSON operator encounters malformed JSON in an untrusted header due to an incorrect implementation of backslash...

Nginx-UI has Server-Side Request Forgery (SSRF) via Cluster Proxy Middleware that Allows Access to Internal Services

An authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwards these requests to the attacker-specified internal address, bypassing network...

Starman 环境问题漏洞

Starman is a high-performance pre-derived web server developed by Tatsuhiko Miyagawa. Versions of Starman prior to 0.4018 contained an environmental issue vulnerability. This vulnerability stemmed from the HTTP request intercalation technique. Due to improper handling of header priorities, Starma...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error via the reuse of an easy handle in HTTP requests when a custom Host: header is set for the initial request and omitted in a subsequent one. An attacker can obtain cookies intended for a different host by exploiti...

CVE-2026-37555

An issue was discovered in libsndfile 1.2.2 IMA ADPCM codec. The AIFF code path line 241 was fixed with sfcountt cast, but the WAV code path line 235 and close path line 167 were not. When samplesperblock int blocks int exceeds INTMAX, the 32-bit multiplication overflows before being assigned to...

FreeBSD -- Heap overflow in libnv

Problem Description: When processing the header of an incoming message, libnv failed to properly validate the message size. Impact: The lack of validation allows a malicious program to write outside the bounds of a heap allocation. This can trigger a crash or system panic, and it may be possible...

EUVD-2026-26241

An issue was discovered in libsndfile 1.2.2 IMA ADPCM codec. The AIFF code path line 241 was fixed with sfcountt cast, but the WAV code path line 235 and close path line 167 were not. When samplesperblock int blocks int exceeds INTMAX, the 32-bit multiplication overflows before being assigned to...

PT-2026-36197

Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.99.2 Description An out-of-bounds read occurs when utf8 operators are enabled and malformed UTF-8 header data containing large UTF-8 trailing characters is processed. This may lead to the disclosure of information with...

Nginx-UI has Server-Side Request Forgery (SSRF) via Cluster Proxy Middleware that Allows Access to Internal Services

An authenticated user can perform Server-Side Request Forgery SSRF by creating a cluster node pointing to an arbitrary internal URL and then sending API requests with the X-Node-ID header. The Proxy middleware forwards these requests to the attacker-specified internal address, bypassing network...

FreeBSD Security Advisory - FreeBSD-SA-26:17.libnv

FreeBSD Security Advisory - When processing the header of an incoming message, libnv failed to properly validate the message size...

PT-2026-35895

Name of the Vulnerable Software and Affected Versions curl affected versions not specified Description When using libcurl, a flaw exists where a custom Host: header set for an initial HTTP request can cause subsequent requests using the same easy handle to use stale information. If the second...

Linux Distros Unpatched Vulnerability : CVE-2026-40560

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes Content-Length over...

PT-2026-35987

Free Download Manager 2.0 Built 417 contains a local buffer overflow vulnerability in the URL import functionality that allows attackers to trigger a structured exception handler SEH chain exploitation. Attackers can craft a malicious URL file that, when imported through the File Import Import...