CVE-2026-100646 SiYuan before v3.8.4 Authentication Bypass via Missing Origin Header

SiYuan is a self-hosted personal knowledge management system. In versions up to and including 3.8.3, the kernel's authentication guards CheckAuth in kernel/model/session.go and IsSessionOriginAllowed in kernel/util/net.go fail open when the HTTP Origin header is absent, on the incorrect assumptio...

CVE-2026-100635

Versions of SiYuan prior to v3.8.4 are susceptible to an authentication bypass vulnerability within the publish service . The root cause is that session cookies are issued without Secure or SameSite attributes over plaintext HTTP connections. This allows an on-path attacker to intercept a valid p...

CVE-2026-100635 SiYuan before v3.8.4 Authentication Bypass via Plaintext Session Cookie

SiYuan before v3.8.4 contains an authentication bypass vulnerability in the publish service where session cookies are issued without Secure or SameSite attributes over plaintext HTTP connections. An on-path attacker can observe a valid publish-visitor-session-id cookie from a Basic Auth exchange...

CVE-2026-100635 SiYuan before v3.8.4 Authentication Bypass via Plaintext Session Cookie

SiYuan before v3.8.4 contains an authentication bypass vulnerability in the publish service where session cookies are issued without Secure or SameSite attributes over plaintext HTTP connections. An on-path attacker can observe a valid publish-visitor-session-id cookie from a Basic Auth exchange...

CVE-2026-100635 SiYuan before v3.8.4 Authentication Bypass via Plaintext Session Cookie

SiYuan before v3.8.4 contains an authentication bypass vulnerability in the publish service where session cookies are issued without Secure or SameSite attributes over plaintext HTTP connections. An on-path attacker can observe a valid publish-visitor-session-id cookie from a Basic Auth exchange...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: sctp: Purge the outqueue when handling stale COOKIE-ECHO The sctpstreamupdate function is only invoked when the association is moved to COOKIEWAIT during association setup/reconfiguration. In this case, the outbound stream...

BIT-AIRFLOW-2026-82355 Apache Airflow: Session cookie silently overrides explicit Authorization bearer header, enabling session fixation

When a request to the Airflow core API carries both a session cookie and an explicit Authorization: Bearer token, Airflow resolves the caller from the cookie and ignores the bearer token, inverting the intended precedence of bearer over cookie. The request then executes -- and is recorded in the...

PT-2026-99306

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.4 Description An authentication bypass exists in the publish service where session cookies are issued without Secure or SameSite attributes over plaintext HTTP connections. An on-path attacker can observe a valid...

CVE-2026-100671: Exposure of Sensitive Information to an Unauthorized Actor

Grav is a flat-file CMS. In versions 2.0.19 through 2.0.24 — and in 2.0.0 through 2.0.18 and 1.7.x only where content Twig has been explicitly enabled — page content authored by a user holding only page-write permission is rendered through a Twig sandbox that allowlists getcookie, which returns a...

PT-2026-99342

Name of the Vulnerable Software and Affected Versions Grav versions 1.7.x Grav versions 2.0.0 through 2.0.24 Description Page content created by a user with page-write permissions is rendered through a Twig sandbox that allowlists the get cookie function. This function returns any cookie sent wit...

CVE-2026-91766

When the http:// stream wrapper follows a redirect it forwards the user-supplied Authorization, Cookie and Proxy-Authorization headers unchanged, even when the redirect target is a different host, a different port, or a downgrade from HTTPS to HTTP. A server that can steer a redirect therefore...

AZL-104916 CVE-2026-91766 affecting package php 8.3.33-1

When the http:// stream wrapper follows a redirect it forwards the user-supplied Authorization, Cookie and Proxy-Authorization headers unchanged, even when the redirect target is a different host, a different port, or a downgrade from HTTPS to HTTP. A server that can steer a redirect therefore...

CVE-2026-100379 Cross-request disclosure of CentralAuth cookies in Wikipedia Android App

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Wikipedia Android App allows Accessing/Intercepting/Modifying HTTP Cookies. This issue affects Wikipedia Android App: main...

CVE-2026-100379 Cross-request disclosure of CentralAuth cookies in Wikipedia Android App

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Wikipedia Android App allows Accessing/Intercepting/Modifying HTTP Cookies. This issue affects Wikipedia Android App: main...

CVE-2026-91766 Cross-origin credential leak in HTTP stream wrapper redirects

When the http:// stream wrapper follows a redirect it forwards the user-supplied Authorization, Cookie and Proxy-Authorization headers unchanged, even when the redirect target is a different host, a different port, or a downgrade from HTTPS to HTTP. A server that can steer a redirect therefore...

CVE-2026-91766 Cross-origin credential leak in HTTP stream wrapper redirects

When the http:// stream wrapper follows a redirect it forwards the user-supplied Authorization, Cookie and Proxy-Authorization headers unchanged, even when the redirect target is a different host, a different port, or a downgrade from HTTPS to HTTP. A server that can steer a redirect therefore...

DEBIAN-CVE-2026-67237

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, settokenauth/2 inserted a bearer token from the Authorization header or accesstoken cookie into OAuth bootstrap JavaScript without escaping, allowing attacker-controlled token content to execute JavaScript in the...

CVE-2026-67234

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, getauthmechanism/1 used termtobinary/1 on the strictauthmechanism or preferredauthmechanism atom when clearing the corresponding cookie, producing a non-ASCII cookie name that violates RFC 6265 and can prevent the...

DEBIAN-CVE-2026-67234

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, getauthmechanism/1 used termtobinary/1 on the strictauthmechanism or preferredauthmechanism atom when clearing the corresponding cookie, producing a non-ASCII cookie name that violates RFC 6265 and can prevent the...

UBUNTU-CVE-2026-67234

RabbitMQ is a messaging and streaming broker. From 4.2.0 until 4.2.8 and 4.3.2, getauthmechanism/1 used termtobinary/1 on the strictauthmechanism or preferredauthmechanism atom when clearing the corresponding cookie, producing a non-ASCII cookie name that violates RFC 6265 and can prevent the...