cockpit: cockpit: Denial of Service via unbounded fragmented WebSocket messages

A flaw was found in Cockpit. This vulnerability allows a remote attacker, without prior authentication, to send specially crafted fragmented WebSocket messages. These messages accumulate without a total-size limit, leading to unbounded memory exhaustion and a denial of service in the cockpit-ws...

cockpit: Cockpit: Local privilege escalation via insecure symlink handling in public key addition helper

A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the ssh-add-public-key.sh helper. When this helper runs with elevated privileges, it can be tricked into following...

Important: Red Hat Security Advisory: cockpit security update

An update for cockpit is now available for Red Hat Enterprise Linux 9.8 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 available for...

cockpit: Cockpit: Local privilege escalation via insecure symlink handling in public key addition helper

A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the ssh-add-public-key.sh helper. When this helper runs with elevated privileges, it can be tricked into following...

cockpit: cockpit: Denial of Service via unbounded fragmented WebSocket messages

A flaw was found in Cockpit. This vulnerability allows a remote attacker, without prior authentication, to send specially crafted fragmented WebSocket messages. These messages accumulate without a total-size limit, leading to unbounded memory exhaustion and a denial of service in the cockpit-ws...

Important: Red Hat Security Advisory: cockpit security update

An update for cockpit is now available for Red Hat Enterprise Linux 9. 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 available for each vulnerability from t...

cockpit: cockpit: Denial of Service via unbounded fragmented WebSocket messages

A flaw was found in Cockpit. This vulnerability allows a remote attacker, without prior authentication, to send specially crafted fragmented WebSocket messages. These messages accumulate without a total-size limit, leading to unbounded memory exhaustion and a denial of service in the cockpit-ws...

Important: Red Hat Security Advisory: cockpit security update

An update for cockpit is now available for Red Hat Enterprise Linux 10. 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 available for each vulnerability from...

cockpit: Cockpit: Local privilege escalation via insecure symlink handling in public key addition helper

A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the ssh-add-public-key.sh helper. When this helper runs with elevated privileges, it can be tricked into following...

cockpit: cockpit: Denial of Service via unbounded fragmented WebSocket messages

A flaw was found in Cockpit. This vulnerability allows a remote attacker, without prior authentication, to send specially crafted fragmented WebSocket messages. These messages accumulate without a total-size limit, leading to unbounded memory exhaustion and a denial of service in the cockpit-ws...

Important: Red Hat Security Advisory: cockpit security update

An update for cockpit is now available for Red Hat Enterprise Linux 8. 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 available for each vulnerability from t...

cockpit: Cockpit: Local privilege escalation via insecure symlink handling in public key addition helper

A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the ssh-add-public-key.sh helper. When this helper runs with elevated privileges, it can be tricked into following...

DEBIAN-CVE-2026-91151

A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the ssh-add-public-key.sh helper. When this helper runs with elevated privileges, it can be tricked into following...

CVE-2026-91151

A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the ssh-add-public-key.sh helper. When this helper runs with elevated privileges, it can be tricked into following...

cve-2023-41564-research

CVE-2023-41564 Vulnerability Overview CVE-2023-415641 is a stored XSS vulnerability in the CMS Cockpit = v2.6.3. When a .shtml HTML file is uploaded during file upload, JavaScript is executed the moment the uploaded file is opened. 1: https://nvd.nist.gov/vuln/detail/CVE-2023-41564 Attack Executi...

Critical: Red Hat Security Advisory: cockpit-image-builder security update

An update for cockpit-image-builder is now available for Red Hat Enterprise Linux 10.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

EUVD-2026-123794

A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the ssh-add-public-key.sh helper. When this helper runs with elevated privileges, it can be tricked into following...

CVE-2026-91151

A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the "ssh-add-public-key.sh" helper. When this helper runs with elevated privileges, it can be tricked into following...

CVE-2026-91151 Cockpit: cockpit: local privilege escalation via insecure symlink handling in public key addition helper

A flaw was found in Cockpit. A local authenticated user with control over a target account's home directory can exploit a privileged symlink dereference vulnerability in the ssh-add-public-key.sh helper. When this helper runs with elevated privileges, it can be tricked into following...

CVE-2026-91151

A privileged symlink dereference vulnerability exists in the Cockpit ssh-add-public-key.sh helper. A local authenticated user with control over a target account's home directory can trick the helper into following attacker-controlled symlinks within .ssh or authorized_keys paths when it runs with...