CVE-2026-18500 @fastify/jwt vulnerable to authorization bypass via global secret overriding the per-request key

@fastify/jwt is a JSON Web Token plugin for Fastify. In versions before 10.2.2, a per-request verification key passed to request.jwtVerify key is silently overridden by the plugin's globally configured secret, because the option merge applies the global key last. Applications that use different...

CVE-2026-18500 @fastify/jwt vulnerable to authorization bypass via global secret overriding the per-request key

@fastify/jwt is a JSON Web Token plugin for Fastify. In versions before 10.2.2, a per-request verification key passed to request.jwtVerify key is silently overridden by the plugin's globally configured secret, because the option merge applies the global key last. Applications that use different...

SUSE CVE-2026-63823

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

CVE-2026-63823

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

CVE-2026-63823

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

CVE-2026-63823

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

EUVD-2026-45489

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

CVE-2026-63823 keys: Pin request_key_auth payload in instantiate paths

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

CVE-2026-63823 keys: Pin request_key_auth payload in instantiate paths

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

CVE-2026-63823

The CVE-2026-63823 entry concerns a Linux kernel use-after-free in request_key_auth payload handling within the key management path (instantiate/reject) for credentials keys. The issue stems from not maintaining a proper payload reference during the instantiate/revoke lifecycle, allowing a payloa...

Linux Distros Unpatched Vulnerability : CVE-2026-63823

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka...

PT-2026-61139

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the Linux kernel during the handling of request key auth payloads. The problem occurs during a concurrency scenario involving the request key function an...

cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall

A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this by using a crafted requestkey payload to trick the root-own...

Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-12505)

The version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-12505 advisory. - A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop...

Security update for cifs-utils

This update for cifs-utils fixes the following issue CVE-2026-12505: cifs.upcall local privilege escalation via requestkey-controlled namespace switch and NSS loading bsc1267389. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate o...

cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall

A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this by using a crafted requestkey payload to trick the root-own...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: Client – Reject descriptions of cifs.spnego in user space Descriptions of cifs.spnego keys contain fields that carry authority information, such as pid, uid, creduid, and upcalltarget. The cifs.upcall function treats these...

DEBIAN-CVE-2026-12505

A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this by using a crafted requestkey payload to trick the root-own...

CVE-2026-12505

A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this by using a crafted requestkey payload to trick the root-own...

CVE-2026-12505

A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this by using a crafted requestkey payload to trick the root-own...