BIT-OPENBAO-2026-45808 OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via th...

CVE-2026-73415

jupyterlab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. Prior to 4.5.10 and 4.6.2, in packages/imageviewer/src/widget.ts, JupyterLab's ImageViewer uses URL.createObjectURL for a specially crafted SVG image and revokes the blo...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: Check that the server is running in unlockfilesystem. If we try to unlock the filesystem via an administrative interface, and nfsd is not running, it will cause the server to crash. This occurs currently because the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fixed the double dmabufunpin in the failure path. In ibumemdmabufgetpinnedwithdmadevice, the call to ibumemdmabufmappages may fail. If this occurs, the dmabuf is immediately unpinned, but the umemdmabuf-pinned flag...

CVE-2026-45808

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via th...

CVE-2026-45808

CVE-2026-45808 affects OpenBao before version 2.5.4 , where cross-namespace lease revocation can be triggered by a tenant in another tenant via legacy undocumented endpoints sys/revoke and sys/renew , bypassing namespace ACLs. Root cause: insufficient access control for lease operations across te...

CVE-2026-45808

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via th...

CVE-2026-45808 OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via th...

CVE-2026-45808 OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via th...

EUVD-2026-54092

Missing authorization in the OcrModelRight create and delete views in Scripta eScriptorium through 26.04.1 allows a remote authenticated user to grant themselves access to another user's private OCR model and to revoke any user's OCR model access via a POST request, because the ownership check is...

CVE-2026-39924 Flarum < 1.8.16 Session Persistence via Improper Access Token Revocation

Flarum before 1.8.16 contains an improper session invalidation vulnerability that allows attackers who hold a valid session token to retain full account access after a victim changes their password, because the accesstokens table is never cleared on password change events. The...

AlmaLinux 9 : kernel (ALSA-2026:47040)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:47040 advisory. kernel: xfrm: Duplicate SPI Handling CVE-2025-39797 kernel: lib/buildid: use kernelread for sleepable context CVE-2026-23002 kernel: futex: Drop...

CVE-2026-55735

Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification it only base64-decodes...

EUVD-2026-51914

Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification it only base64-decodes...

CVE-2026-55735

CVE-2026-55735 affects guardian: from 1.0.0 up to before 2.4.1. The revoke/3 path in Guardian.revoke/3 decodes tokens with peek/1 without signature verification, unlike refresh/2 and exchange/4 which verify. An attacker who knows a victim’s jti/sub can forge a JWT and submit it to an endpoint tha...

CVE-2026-55735 Guardian.revoke/3 acts on unverified token claims, allowing forged-token session revocation

Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification it only base64-decodes...

UBUNTU-CVE-2026-64556

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during removeonexec perfeventremoveonexec removes events by calling perfeventexitevent. For top-level events, this removes the event from the context with DETACHEXIT only. This can leave inconsisten...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xfrm: Duplicate SPI Handling CVE-2025-39797 kernel: lib/buildid: use kernelread for sleepable context CVE-2026-23002 kernel: futex: Drop CLONETHREAD requirement for private default hash...

CVE-2026-64519

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix infinite loop in layout state revocation findonesbstid skips stids whose scstatus is non-zero, but the SCTYPELAYOUT case in nfsd4revokestates never sets scstatus before calling nfsd4closelayout. The retry loop therefore...

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...