JLSEC-2026-632

Rsync versions before 3.4.3 contain an off-by-one out-of-bounds stack write vulnerability in the establishproxyconnection function in socket.c that allows network attackers to corrupt stack memory by sending a malformed HTTP proxy response. Attackers can exploit this by positioning themselves...

GHSA-386J-6M86-78F9 OpenAM: Unauthenticated Authentication Bypass via RADIUS Spoofing

Summary Description An Improper Verification of Cryptographic Signature CWE-347 issue in OpenAM's RADIUS authentication module allows an unauthenticated network attacker to spoof an Access-Accept response and obtain an OpenAM session for any RADIUS username, without knowing the configured shared...

CVE-2026-54036

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user or attacker with a stolen session even when 2FA is already fully enabled on the account. This endpoint overwrites the existi...

CVE-2026-54040 LibreChat: 2FA Backup Code Regeneration Without OTP Verification Allows 2FA Bypass

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code verification. An attacker with a stolen session token can...

CVE-2026-54036

CVE-2026-54036 (LibreChat) describes a vulnerability where the GET /api/auth/2fa/enable endpoint can be invoked by an authenticated user (or attacker with a stolen session) even when 2FA is fully enabled. The call overwrites the existing TOTP secret, regenerates backup codes, and sets twoFactorEn...

CVE-2026-27366

Unauthenticated Broken Access Control in MainWP Child = 6.1.1 versions...

EUVD-2026-39391

Dell Wyse Management Suite, versions prior to WMS 5.5 HF1, contain an Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Remote Code Execution...

CVE-2026-49506

Dell Wyse Management Suite, versions prior to WMS 5.5 HF1, contain an Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Remote Code Execution...

EUVD-2026-39372

Unauthenticated Local File Inclusion in MDTF = 1.3.8 versions...

CVE-2026-54821

Subscriber Sensitive Data Exposure in Visual Link Preview = 2.3.1 versions...

CVE-2026-54821

The CVE-2026-54821 entry concerns the WordPress Visual Link Preview plugin, affected versions are

EUVD-2026-39362

Unauthenticated Broken Access Control in MainWP Child = 6.1.1 versions...

EUVD-2026-39361

Contributor Sensitive Data Exposure in Elementor Website Builder = 4.1.3 versions...

CVE-2026-53263

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses &data1 as destination and &ipaddr-s6addr11 as source, but both should be offset by one: &data2 and...

CVE-2026-53263

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses &data1 as destination and &ipaddr-s6addr11 as source, but both should be offset by one: &data2 and...

CVE-2026-53254

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: validate skb length in MCC handlers The RFCOMM MCC handlers cast skb-data to protocol-specific structs without validating skb-len first. A malicious remote device can send truncated MCC frames and trigger...

UBUNTU-CVE-2026-53263

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses &data1 as destination and &ipaddr-s6addr11 as source, but both should be offset by one: &data2 and...

CVE-2026-53263

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses &data1 as destination and &ipaddr-s6addr11 as source, but both should be offset by one: &data2 and...

CVE-2026-53263

CVE-2026-53263 is reported in OSV entries as affecting the rootio-linux package in Ubuntu/Debian environments, with patches available in multiple fixed versions (e.g., Root:Ubuntu:22.04 and Root:Ubuntu:24.04; Debian 11/12 tracks). The Debian/Ubuntu Nessus OSV entries note patches for these distri...

CVE-2026-53263 6lowpan: fix off-by-one in multicast context address compression

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix off-by-one in multicast context address compression The second memcpy in lowpaniphcmcastctxaddrcompress uses &data1 as destination and &ipaddr-s6addr11 as source, but both should be offset by one: &data2 and...