Important: Red Hat Security Advisory: mod_auth_openidc security update

An update for modauthopenidc is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing

A flaw was found in modauthopenidc, an OpenID Connect Relying Party module for Apache HTTP servers. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP request with a malformed state cookie. This can lead to an out-of-bounds read and a one-byte out-of-bounds write...

Important: Red Hat Security Advisory: mod_auth_openidc security update

An update for modauthopenidc is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing

A flaw was found in modauthopenidc, an OpenID Connect Relying Party module for Apache HTTP servers. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP request with a malformed state cookie. This can lead to an out-of-bounds read and a one-byte out-of-bounds write...

mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing

A flaw was found in modauthopenidc, an OpenID Connect Relying Party module for Apache HTTP servers. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP request with a malformed state cookie. This can lead to an out-of-bounds read and a one-byte out-of-bounds write...

Important: Red Hat Security Advisory: mod_auth_openidc:2.3 security update

An update for the modauthopenidc:2.3 module is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important...

Important: Red Hat Security Advisory: mod_auth_openidc:2.3 security update

An update for the modauthopenidc:2.3 module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important...

mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing

A flaw was found in modauthopenidc, an OpenID Connect Relying Party module for Apache HTTP servers. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP request with a malformed state cookie. This can lead to an out-of-bounds read and a one-byte out-of-bounds write...

CLEANSTART-2026-GJ17760 Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not

Security vulnerability affects the argo-cd package. Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not...

CVE-2026-63373

draw.io is a configurable diagramming and whiteboarding application. Prior to version 30.2.7, the OAuth callback handler in src/main/java/com/mxgraph/online/AbsAuth.java skips comparison of stateToken and cookieToken whenever ISGAE is false, which affects self-hosted Docker and WAR deployments. A...

CVE-2026-63373 draw.io: OAuth CSRF via missing state validation on self-hosted deployments allows session token injection

draw.io is a configurable diagramming and whiteboarding application. Prior to version 30.2.7, the OAuth callback handler in src/main/java/com/mxgraph/online/AbsAuth.java skips comparison of stateToken and cookieToken whenever ISGAE is false, which affects self-hosted Docker and WAR deployments. A...

CVE-2026-63373 draw.io: OAuth CSRF via missing state validation on self-hosted deployments allows session token injection

draw.io is a configurable diagramming and whiteboarding application. Prior to version 30.2.7, the OAuth callback handler in src/main/java/com/mxgraph/online/AbsAuth.java skips comparison of stateToken and cookieToken whenever ISGAE is false, which affects self-hosted Docker and WAR deployments. A...

CVE-2026-63373

draw.io prior to version 30.2.7 contains an OAuth CSRF vulnerability in its callback handler (AbsAuth.java) that skips the stateToken/cookieToken comparison when IS_GAE is false, affecting self-hosted Docker and WAR deployments . An attacker can inject their own authorization code into a victim's...

CVE-2026-61687

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.91.1, ValidateOAuthState clears the oauthstate session value to an empty string after a successful OAuth callback and later accepts an empty state parameter as equal, allowing an...

GHSA-PHG3-3G28-WQ9V Hatchet - Unauthenticated OAuth state CSRF / login-CSRF via empty-state collision in ValidateOAuthState

Summary Hatchet version v0.86.26 and below is vulnerable to OAuth state CSRF login CSRF / account fixation. The vulnerable code clears the session oauthstate value to the empty string "" after a successful OAuth callback rather than removing the key, and the subsequent state-equality check then...

EUVD-2026-83978

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.91.1, ValidateOAuthState clears the oauthstate session value to an empty string after a successful OAuth callback and later accepts an empty state parameter as equal, allowing an...

CVE-2026-61687

Hatchet , a platform for orchestrating background tasks, AI agents, and durable workflows, contains an unauthenticated OAuth state CSRF / login-CSRF vulnerability in its ValidateOAuthState function (prior to 0.91.1 ). After a successful OAuth callback, the function clears the oauth_state_ session...

CVE-2026-61687 hatchet - Unauthenticated OAuth state CSRF / login-CSRF via empty-state collision in ValidateOAuthState

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.91.1, ValidateOAuthState clears the oauthstate session value to an empty string after a successful OAuth callback and later accepts an empty state parameter as equal, allowing an...

CVE-2026-61687 hatchet - Unauthenticated OAuth state CSRF / login-CSRF via empty-state collision in ValidateOAuthState

Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.91.1, ValidateOAuthState clears the oauthstate session value to an empty string after a successful OAuth callback and later accepts an empty state parameter as equal, allowing an...

libkcapi: IV reuse in libkcapi one-shot symmetric cipher chunking causes cipher state reset across chunk boundaries

A flaw was found in libkcapi. When performing one-shot symmetric cipher operations on large inputs over 64 KiB in stateful modes such as Counter CTR or Cipher Block Chaining CBC, the library improperly reuses the Initialization Vector IV for each internal data chunk. A remote attacker could...