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| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-7210 | 2 Libexpat Project, Python | 2 Libexpat, Cpython | 2026-05-16 | 9.8 Critical |
| `xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allows a crafted XML document to trigger hash flooding.\r\n\r\nFully mitigating this vulnerability requires both updating libexpat to 2.8.0 or later and applying this patch. | ||||
| CVE-2026-43640 | 1 Bitwarden | 1 Server | 2026-05-16 | 8.1 High |
| Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session. | ||||
| CVE-2026-43639 | 1 Bitwarden | 1 Server | 2026-05-16 | 8 High |
| Bitwarden Server prior to v2026.4.0 contains a missing authorization vulnerability that allows a provider service user to add an arbitrary organization to their provider via `POST /providers/{providerId}/clients/existing`, resulting in takeover of the target organization; self-hosted installations are unaffected as this endpoint is restricted to Cloud via SelfHosted(NotSelfHostedOnly = true). | ||||
| CVE-2026-43338 | 1 Linux | 1 Linux Kernel | 2026-05-16 | 5.5 Medium |
| In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the delayed refs generated when updating the quota tree. The quota root uses the global block reserve, which is fine most of the time since we don't expect a lot of updates to the quota root, or to be too close to -ENOSPC such that other critical metadata updates need to resort to the global reserve. However this is not optimal, as not reserving proper space may result in a transaction abort due to not reserving space for delayed refs and then abusing the use of the global block reserve. For example, the following reproducer (which is unlikely to model any real world use case, but just to illustrate the problem), triggers such a transaction abort due to -ENOSPC when running delayed refs: $ cat test.sh #!/bin/bash DEV=/dev/nullb0 MNT=/mnt/nullb0 umount $DEV &> /dev/null # Limit device to 1G so that it's much faster to reproduce the issue. mkfs.btrfs -f -b 1G $DEV mount -o commit=600 $DEV $MNT fallocate -l 800M $MNT/filler btrfs quota enable $MNT for ((i = 1; i <= 400000; i++)); do btrfs qgroup create 1/$i $MNT done umount $MNT When running this, we can see in dmesg/syslog that a transaction abort happened: [436.490] BTRFS error (device nullb0): failed to run delayed ref for logical 30408704 num_bytes 16384 type 176 action 1 ref_mod 1: -28 [436.493] ------------[ cut here ]------------ [436.494] BTRFS: Transaction aborted (error -28) [436.495] WARNING: fs/btrfs/extent-tree.c:2247 at btrfs_run_delayed_refs+0xd9/0x110 [btrfs], CPU#4: umount/2495372 [436.497] Modules linked in: btrfs loop (...) [436.508] CPU: 4 UID: 0 PID: 2495372 Comm: umount Tainted: G W 6.19.0-rc8-btrfs-next-225+ #1 PREEMPT(full) [436.510] Tainted: [W]=WARN [436.511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org 04/01/2014 [436.513] RIP: 0010:btrfs_run_delayed_refs+0xdf/0x110 [btrfs] [436.514] Code: 0f 82 ea (...) [436.518] RSP: 0018:ffffd511850b7d78 EFLAGS: 00010292 [436.519] RAX: 00000000ffffffe4 RBX: ffff8f120dad37e0 RCX: 0000000002040001 [436.520] RDX: 0000000000000002 RSI: 00000000ffffffe4 RDI: ffffffffc090fd80 [436.522] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffffc04d1867 [436.523] R10: ffff8f18dc1fffa8 R11: 0000000000000003 R12: ffff8f173aa89400 [436.524] R13: 0000000000000000 R14: ffff8f173aa89400 R15: 0000000000000000 [436.526] FS: 00007fe59045d840(0000) GS:ffff8f192e22e000(0000) knlGS:0000000000000000 [436.527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [436.528] CR2: 00007fe5905ff2b0 CR3: 000000060710a002 CR4: 0000000000370ef0 [436.530] Call Trace: [436.530] <TASK> [436.530] btrfs_commit_transaction+0x73/0xc00 [btrfs] [436.531] ? btrfs_attach_transaction_barrier+0x1e/0x70 [btrfs] [436.532] sync_filesystem+0x7a/0x90 [436.533] generic_shutdown_super+0x28/0x180 [436.533] kill_anon_super+0x12/0x40 [436.534] btrfs_kill_super+0x12/0x20 [btrfs] [436.534] deactivate_locked_super+0x2f/0xb0 [436.534] cleanup_mnt+0xea/0x180 [436.535] task_work_run+0x58/0xa0 [436.535] exit_to_user_mode_loop+0xed/0x480 [436.536] ? __x64_sys_umount+0x68/0x80 [436.536] do_syscall_64+0x2a5/0xf20 [436.537] entry_SYSCALL_64_after_hwframe+0x76/0x7e [436.537] RIP: 0033:0x7fe5906b6217 [436.538] Code: 0d 00 f7 (...) [436.540] RSP: 002b:00007ffcd87a61f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [436.541] RAX: 0000000000000000 RBX: 00005618b9ecadc8 RCX: 00007fe5906b6217 [436.541] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005618b9ecb100 [436.542] RBP: 0000000000000000 R08: 00007ffcd87a4fe0 R09: 00000000ffffffff [436.544] R10: 0000000000000103 R11: ---truncated--- | ||||
| CVE-2026-43638 | 1 Bitwarden | 1 Server | 2026-05-16 | 5.4 Medium |
| Bitwarden Server prior to v2026.4.1 contains a missing authorization vulnerability that allows any authenticated user to write ciphers into an arbitrary organization via `POST /ciphers/import-organization` by submitting an empty `collections` array, which causes the server-side permission check to be skipped. | ||||
| CVE-2025-43992 | 1 Dell | 3 Ecs, Elastic Cloud Storage, Objectscale | 2026-05-16 | 5.6 Medium |
| Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains an authentication bypass by assumed-immutable data vulnerability in Geo replication. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access to data in transit. | ||||
| CVE-2026-8581 | 1 Google | 1 Chrome | 2026-05-16 | 8.8 High |
| Use after free in GPU in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium) | ||||
| CVE-2026-43332 | 1 Linux | 1 Linux Kernel | 2026-05-16 | 7.8 High |
| In the Linux kernel, the following vulnerability has been resolved: thermal: core: Fix thermal zone device registration error path If thermal_zone_device_register_with_trips() fails after registering a thermal zone device, it needs to wait for the tz->removal completion like thermal_zone_device_unregister(), in case user space has managed to take a reference to the thermal zone device's kobject, in which case thermal_release() may not be called by the error path itself and tz may be freed prematurely. Add the missing wait_for_completion() call to the thermal zone device registration error path. | ||||
| CVE-2026-43336 | 1 Linux | 1 Linux Kernel | 2026-05-16 | 7.5 High |
| In the Linux kernel, the following vulnerability has been resolved: lib/crypto: chacha: Zeroize permuted_state before it leaves scope Since the ChaCha permutation is invertible, the local variable 'permuted_state' is sufficient to compute the original 'state', and thus the key, even after the permutation has been done. While the kernel is quite inconsistent about zeroizing secrets on the stack (and some prominent userspace crypto libraries don't bother at all since it's not guaranteed to work anyway), the kernel does try to do it as a best practice, especially in cases involving the RNG. Thus, explicitly zeroize 'permuted_state' before it goes out of scope. | ||||
| CVE-2026-8681 | 2026-05-16 | 5.3 Medium | ||
| The Essential Chat Support plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.0.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to reset all plugin configuration settings — including general settings, display rules, custom CSS, and WooCommerce tab settings — to their defaults by sending a POST request with ecs_reset_settings=1. | ||||
| CVE-2026-41101 | 1 Microsoft | 2 Word, Word For Android | 2026-05-16 | 7.1 High |
| Improper access control in Microsoft Office Word allows an authorized attacker to perform spoofing locally. | ||||
| CVE-2026-41103 | 1 Microsoft | 4 Confluence Saml Sso, Confluence Saml Sso Plugin, Jira Saml Sso and 1 more | 2026-05-16 | 9.1 Critical |
| Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira & Confluence allows an unauthorized attacker to elevate privileges over a network. | ||||
| CVE-2026-42831 | 1 Microsoft | 4 Office, Office For Android, Office Macos 2021 and 1 more | 2026-05-16 | 7.8 High |
| Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. | ||||
| CVE-2026-42832 | 1 Microsoft | 7 Excel, Excel For Android, Office and 4 more | 2026-05-16 | 7.7 High |
| Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally. | ||||
| CVE-2026-43334 | 1 Linux | 1 Linux Kernel | 2026-05-16 | 8.8 High |
| In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smp_cmd_pairing_req() currently builds the pairing response from the initiator auth_req before enforcing the local BT_SECURITY_HIGH requirement. If the initiator omits SMP_AUTH_MITM, the response can also omit it even though the local side still requires MITM. tk_request() then sees an auth value without SMP_AUTH_MITM and may select JUST_CFM, making method selection inconsistent with the pairing policy the responder already enforces. When the local side requires HIGH security, first verify that MITM can be achieved from the IO capabilities and then force SMP_AUTH_MITM in the response in both rsp.auth_req and auth. This keeps the responder auth bits and later method selection aligned. | ||||
| CVE-2026-44278 | 1 Fortinet | 2 Forticlient, Forticlientwindows | 2026-05-16 | 2.1 Low |
| A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.2, FortiClientWindows 7.2 all versions may allow attacker to information disclosure via <insert attack vector here> | ||||
| CVE-2026-44279 | 1 Fortinet | 2 Fortitoken Mobile, Fortitokenandroid | 2026-05-16 | 5 Medium |
| A improper export of android application components vulnerability in Fortinet FortiTokenAndroid 6.2 all versions, FortiTokenAndroid 6.1 all versions, FortiTokenAndroid 5.2 all versions may allow attacker to improper access control via <insert attack vector here> | ||||
| CVE-2026-41100 | 1 Microsoft | 3 365 Copilot, 365 Copilot Android, 365 Copilot Android | 2026-05-16 | 4.4 Medium |
| Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally. | ||||
| CVE-2026-41094 | 1 Microsoft | 2 Data Formulator, Data Formulator | 2026-05-16 | 8.8 High |
| Improper control of generation of code ('code injection') in Microsoft Data Formulator allows an unauthorized attacker to execute code over a network. | ||||
| CVE-2026-40421 | 1 Microsoft | 7 365 Apps, Office, Office 2019 and 4 more | 2026-05-16 | 4.3 Medium |
| External control of file name or path in Microsoft Office Word allows an unauthorized attacker to disclose information over a network. | ||||