CVE-2026-90266 btrfs: zoned: don't force read-only on transient -EAGAIN from reloc merge

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: don't force read-only on transient -EAGAIN from reloc merge On a zoned FS, btrfsdelayedrefsrsvrefill returns -EAGAIN whenever the over-committed metadata plus the zoneunusable bytes exceeds the usable size in a...

CVE-2026-90266

CVE-2026-90266 affects the btrfs zoned filesystem in the Linux kernel. When btrfs_delayed_refs_rsv_refill() returns a transient -EAGAIN (triggered when over-committed metadata plus zone_unusable bytes exceeds the usable size in a metadata block-group), the transaction is aborted during block-grou...

CVE-2026-90266 btrfs: zoned: don't force read-only on transient -EAGAIN from reloc merge

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: don't force read-only on transient -EAGAIN from reloc merge On a zoned FS, btrfsdelayedrefsrsvrefill returns -EAGAIN whenever the over-committed metadata plus the zoneunusable bytes exceeds the usable size in a...

CVE-2026-90263 btrfs: check if root is readonly when setting posix acl

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

EUVD-2026-81856

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

CVE-2026-90261 btrfs: zoned: flush active metadata block group at btree_writepages() start

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: flush active metadata block group at btreewritepages start btreewritepages writes the btree inode's dirty metadata in ascending logical address order. On a zoned filesystem only one metadata and one system block gro...

CVE-2026-90261 btrfs: zoned: flush active metadata block group at btree_writepages() start

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: flush active metadata block group at btreewritepages start btreewritepages writes the btree inode's dirty metadata in ascending logical address order. On a zoned filesystem only one metadata and one system block gro...

EUVD-2026-81820

In the Linux kernel, the following vulnerability has been resolved: nvme/ioctl: check SUBMITIO with nvmecmdallowed Unlike IOCMD / IO64CMD, NVMEIOCTLSUBMITIO never calls nvmecmdallowed. Unprivileged callers can thus issue I/O on a partition device or write through a read-only file descriptor. Pass...

CVE-2026-90418: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix BUG in nilfscopydirtypages on dirty state mismatch Syzbot reported a kernel BUG triggered within nilfscopydirtypages, which copies dirty DAT file folios/pages to its shadow page cache. The BUG occurs when a retrieved...

CVE-2026-93144: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject writes through untrusted BTF pointers checkptrtobtfaccess lets program-type btfstructaccess callbacks validate writes before the default BTF access path rejects non-read accesses. That bypasses the read-only policy fo...

CVE-2026-90261: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: flush active metadata block group at btreewritepages start btreewritepages writes the btree inode's dirty metadata in ascending logical address order. On a zoned filesystem only one metadata and one system block gro...

CVE-2026-90263: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

CVE-2026-92796

Manticore Search versions 27.0.0 through 28.4.3 fail to validate permissions for all statements within multi-statement SQL requests. An authenticated read-only user can append additional SELECT statements after the first statement to read credential tables and obtain password hashes , allowing au...

CVE-2026-92796 Manticore Search 27.0.0 before 28.4.4 Multi-Statement Authorization Bypass

Manticore Search versions 27.0.0 before 28.4.4 fail to validate permissions for all statements in multi-statement SQL requests, allowing read-only users to execute unauthorized queries. Attackers can append additional SELECT statements after the first statement to read credential tables and obtai...

CVE-2026-92761 WebVirtCloud Missing Authorization on Instance Control Actions

WebVirtCloud fails to properly validate permission flags in UserInstance grants, allowing view-only users to perform privileged actions. Attackers with read-only grants can power off virtual machines, reset root passwords, install SSH keys, and manage ISO images by exploiting the getinstance gate...

WordPress Tutor LMS plugin < 4.0.8 - Read-Only API Key Privilege Escalation vulnerability

Read-Only API Key Privilege Escalation vulnerability discovered by Charles Vosburgh in WordPress Plugin Tutor LMS versions 4.0.8...

CVE-2026-89835

In the Linux kernel, the following vulnerability has been resolved: f2fs: avoid NULL checkpoint thread access in sysfs checkpointmerge can be enabled even when no checkpoint merge thread is running. A read-only mount is one case: f2fs does not start f2fsissueckpt there, but ckptthreadioprio is...

CVE-2026-85569

The Tutor LMS WordPress plugin before 4.0.8 does not correctly determine whether an incoming request is addressed to its own REST API, and does not enforce the permission recorded against an API credential, allowing the holder of a read-only key to act as the administrator account that issued it...

CVE-2026-85569 Tutor LMS 2.7.1 - < 4.0.8 - Read-Only API Key Privilege Escalation via REST Request Misclassification

The Tutor LMS WordPress plugin before 4.0.8 does not correctly determine whether an incoming request is addressed to its own REST API, and does not enforce the permission recorded against an API credential, allowing the holder of a read-only key to act as the administrator account that issued it...

CVE-2026-85569: Improper Privilege Management

The Tutor LMS WordPress plugin before 4.0.8 does not correctly determine whether an incoming request is addressed to its own REST API, and does not enforce the permission recorded against an API credential, allowing the holder of a read-only key to act as the administrator account that issued it...