GHSA-396Q-4VC8-28X9 @microsoft/kiota-http-fetchlibrary: Bearer token and Cookie leak across origin on redirect due to case-mismatched scrub in fetchRequestAdapter

Summary @microsoft/kiota-http-fetchlibrary's RedirectHandler is documented as stripping Authorization and Cookie from cross-origin redirect targets, but the default scrubSensitiveHeaders callback in RedirectHandlerOptions uses case-sensitive property deletion delete headers.Authorization, delete...

CVE-2026-50019

yt-dlp is a command-line audio/video downloader. From 2023.09.24 until 2026.06.09, if curl is used as an external downloader for yt-dlp, cookies may be leaked to an unintended host upon HTTP redirect or when the host for download fragments differs from their parent manifest's. At the file downloa...

CVE-2026-50019

CVE-2026-50019 affects yt-dlp when curl is used as an external downloader. The root cause is that cookies may be leaked to unintended hosts during HTTP redirects or when download fragments’ host differs from the manifest, because cookies sent via --cookie are not activated unless loaded from a fi...

CVE-2026-50019 yt-dlp: File Downloader cookie leak with curl

yt-dlp is a command-line audio/video downloader. From 2023.09.24 until 2026.06.09, if curl is used as an external downloader for yt-dlp, cookies may be leaked to an unintended host upon HTTP redirect or when the host for download fragments differs from their parent manifest's. At the file downloa...

CVE-2026-49336 @microsoft/kiota-http-fetchlibrary: Bearer token and Cookie leak across origin on redirect due to case-mismatched scrub in fetchRequestAdapter

@microsoft/kiota-http-fetchlibrary provides TypeScript libraries for Kiota-generated API clients. In versions 1.0.0-preview.97 through 1.0.0-preview.101, @microsoft/kiota-http-fetchlibrary's RedirectHandler is documented as stripping Authorization and Cookie from cross-origin redirect targets, bu...

OPENSUSE-SU-2026:20973-1 Security update for curl

This update for curl fixes the following issues: - CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. - CVE-2026-5545: wrong reuse of HTTP Negotiate connection bsc1262632. - CVE-2026-6253: proxy credentials leak over redirect-to proxy bsc1262635. - CVE-2026-6276: stale custom...

yt-dlp: File Downloader cookie leak with curl

Summary If curl is used an external downloader for yt-dlp, cookies may be leaked to an unintended host upon HTTP redirect or when the host for download fragments differs from their parent manifest's. This is the equivalent to GHSA-v8mc-9377-rwjj for the curl downloader. The vulnerable behavior is...

GHSA-F7J3-774F-RFHJ yt-dlp: File Downloader cookie leak with curl

Summary If curl is used an external downloader for yt-dlp, cookies may be leaked to an unintended host upon HTTP redirect or when the host for download fragments differs from their parent manifest's. This is the equivalent to GHSA-v8mc-9377-rwjj for the curl downloader. The vulnerable behavior is...

PT-2026-48379

Name of the Vulnerable Software and Affected Versions yt-dlp versions prior to 2026.06.09 Description A flaw allows a remote attacker to write arbitrary OS-shortcut files, such as .desktop, .url, and .webloc, to the user's filesystem. This occurs because the file extension allowlist used to preve...

CVE-2026-47265

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the cookies parameter on requests are sent after following a cross-origin redirect. If a developer uses the cookies parameter on a per-request basis then sensitive data might ...

SUSE SLES15 Security Update : curl (SUSE-SU-2026:1940-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1940-1 advisory. Security issues fixed: - CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. - CVE-2026-5545: wrong reuse of HTTP...

Security update for curl

This update for curl fixes the following issues: Security issues fixed: CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. CVE-2026-5545: wrong reuse of HTTP Negotiate connection bsc1262632. CVE-2026-6253: proxy credentials leak over redirect-to proxy bsc1262635. CVE-2026-6276:...

stale custom cookie host causes cookie leak

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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...

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...

CVE-2026-6276

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...

CVE-2026-42177 linux-entra-sso: PRT SSO cookie can leak to attacker-controlled hosts when broad host permissions are granted

linux-entra-sso is a browser plugin for Linux to SSO on Microsoft Entra ID. Prior to 1.8.1, platform/chrome/js/platform-chrome.js:69-88 registers a single declarativeNetRequest rule whose urlFilter is Platform.SSOURL + "/", i.e. "https://login.microsoftonline.com/". Chrome's urlFilter without a |...

CVE-2026-42177

CVE-2026-42177 affects the linux-entra-sso browser plugin for Linux. Before v1.8.1, the Chrome adapter used a declarativeNetRequest rule with urlFilter of https://login.microsoftonline.com/, which is substring-matched against full URLs, and the associated action could modify headers to attach the...

SUSE SLED15 / SLES15 Security Update : curl (SUSE-SU-2026:1717-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1717-1 advisory. Security issues fixed: - CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. - CVE-2026-5545:...

Security update for curl

This update for curl fixes the following issues: Security issues fixed: CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. CVE-2026-5545: wrong reuse of HTTP Negotiate connection bsc1262632. CVE-2026-6253: proxy credentials leak over redirect-to proxy bsc1262635. CVE-2026-6276:...