GHSA-P6HG-QH38-555R Traefik's errors middleware forwards Authorization and Cookie headers to separate error page service

Summary There is a medium severity information disclosure vulnerability in Traefik's errors custom error pages middleware. When the backend returns a response matching the configured status range, the middleware forwards the original request's complete header set, including Authorization, Cookie,...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the errors middleware process. An attacker can obtain sensitive authentication headers, such as Authorization and Cookie, by triggering a backend response that matches the configured...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the errors middleware process. An attacker can obtain sensitive authentication headers, such as Authorization and Cookie, by triggering a backend response that matches the configured...

Traefik's errors middleware forwards Authorization and Cookie headers to separate error page service

Summary There is a medium severity information disclosure vulnerability in Traefik's errors custom error pages middleware. When the backend returns a response matching the configured status range, the middleware forwards the original request's complete header set, including Authorization, Cookie,...

pyOpenSSL: DTLS cookie callback buffer overflow

A flaw was found in pyOpenSSL. The setcookiegeneratecallback callback function can be used to generate DTLS cookies. When the callback returns a cookie string or byte sequence longer than 256 bytes, a buffer overflow can be triggered due to a missing bounds checking before copying the data to a...

pyOpenSSL: DTLS cookie callback buffer overflow

A flaw was found in pyOpenSSL. The setcookiegeneratecallback callback function can be used to generate DTLS cookies. When the callback returns a cookie string or byte sequence longer than 256 bytes, a buffer overflow can be triggered due to a missing bounds checking before copying the data to a...

JLSEC-2026-411 This flaw allows a malicious HTTP server to set "super cookies" in curl that are then passed back to...

This flaw allows a malicious HTTP server to set "super cookies" in curl that are then passed back to more origins than what is otherwise allowed or possible. This allows a site to set cookies that then would get sent to different and unrelated sites and domains. It could do this by exploiting a...

JLSEC-2026-435 1

A cookie is set using the secure keyword for https://target 2. curl is redirected to or otherwise made to speak with http://target same hostname, but using clear text HTTP using the same cookie set 3. The same cookie name is set - but with just a slash as path path="/",. Since this site is not...

JLSEC-2026-392

A malicious server can serve excessive amounts of Set-Cookie: headers in a HTTP response to curl and curl 7.84.0 stores all of them. A sufficiently large amount of big cookies make subsequent HTTP requests to this, or other servers to which the cookies match, create requests that become larger th...

JLSEC-2026-397

When curl is used to retrieve and parse cookies from a HTTPS server, itaccepts cookies using control codes that when later are sent back to a HTTPserver might make the server return 400 responses. Effectively allowing a"sister site" to deny service to all siblings...

Security Bulletin:Flask Vary Cookie Header Vulnerability: Use of Cache Containing Sensitive Information Fixed in 3.1.3

Summary Flask is a web server gateway interface WSGI web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs caches not t...

Security Bulletin: pyOpenSSL TLS SNI Callback Exception Handling Flaw Allows Security Bypass

Summary pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 0.14.0 and prior to version 26.0.0, if a user provided callback to settlsextservernamecallback raised an unhandled exception, this would result in a connection being accepted. If a user was relying on this...

USN-8227-1 curl vulnerabilities

It was discovered that curl incorrectly reused non-TLS connections when TLS was required in some STARTTLS configurations. A remote attacker could possibly use this issue to obtain sensitive information. CVE-2026-4873 It was discovered that curl incorrectly reused certain HTTP Negotiate connection...

CLSA-2026-1777878036 curl: Fix of 2 CVEs

CVE-2019-5436: tftp: use the current blksize for recvfrom - CVE-2016-8615: cookie: replace use of fgets with custom version...

CVE-2026-42365

A guessable session cookie vulnerability exists in the Web Interface functionality of GeoVision LPC2011/LPC2211 1.10. A specially crafted series of HTTP requests can lead to an authentication bypas. An attacker can bruteforce session cookies to trigger this vulnerability...

CVE-2026-42365

GeoVision GeoVision LPC2011/LPC2211 Web Interface (version 1.10) exposes a session cookie vulnerability that allows authentication bypass through a crafted sequence of HTTP requests and brute-forcing session cookies. The CVE notes a network‑based, low‑complexity exposure with no user interaction ...

CVE-2026-42365 GeoVision LPC2011/LPC2211 Web Interface guessable session cookie vulnerability

A guessable session cookie vulnerability exists in the Web Interface functionality of GeoVision LPC2011/LPC2211 1.10. A specially crafted series of HTTP requests can lead to an authentication bypas. An attacker can bruteforce session cookies to trigger this vulnerability...

RHCOS 3 : Red Hat OpenShift Enterprise 3.2 (RHSA-2016:1064)

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2016:1064 advisory. - 3: logs from a deleted namespace can be revealed if a new namespace with the same name is created CVE-2016-2149 - Privilege...

PT-2026-37111

Name of the Vulnerable Software and Affected Versions Traefik versions prior to 2.11.44 Traefik versions prior to 3.6.15 Traefik versions prior to 3.7.0-rc.3 Description An information disclosure issue exists in the errors custom error pages middleware. When a backend returns a response matching...

PT-2026-36733

Name of the Vulnerable Software and Affected Versions GeoVision LPC2011/LPC2211 version 1.10 Description The Web Interface functionality contains a flaw where session cookies are guessable. An attacker can use a series of specially crafted HTTP requests to brute-force these cookies, allowing them...