CVE-2026-15315 Unauthenticated Administrative Authentication Bypass via device_confirm Replay in TP-Link Tapo C120 and C200

Tapo C120 v1 and C200 v5 contain an improper authentication vulnerability within the login authentication verification module. An attacker on the local network can exploit weaknesses in challenge parameter validation to bypass normal authentication controls and obtain administrative session token...

CVE-2026-15315

TP-Link Tapo C200 v5 has an authentication bypass in its login module: the device_confirm challenge parameter can be replayed to obtain administrative session tokens. An attacker on the local network gains full admin control, enabling privileged actions and DoS. A proof-of-concept was published o...

CVE-2026-45734

MyBB is free and open source forum software. Prior to 1.8.40, the built-in CAPTCHA does not consistently enforce single-use semantics, allowing remote attackers to bypass CAPTCHA controls through challenge replay. The successful validation paths in contact.php, member.php?action=doresendactivatio...

CVE-2026-45734

MyBB is free and open source forum software. Prior to 1.8.40, the built-in CAPTCHA does not consistently enforce single-use semantics, allowing remote attackers to bypass CAPTCHA controls through challenge replay. The successful validation paths in contact.php, member.php?action=doresendactivatio...

CVE-2026-45734 MyBB: Default CAPTCHA missing invalidation

MyBB is free and open source forum software. Prior to 1.8.40, the built-in CAPTCHA does not consistently enforce single-use semantics, allowing remote attackers to bypass CAPTCHA controls through challenge replay. The successful validation paths in contact.php, member.php?action=doresendactivatio...

CVE-2026-45734

MyBB versions before 1.8.40 fail to call captcha::invalidate_captcha() in five endpoints (contact.php, member.php actions, sendthread.php), allowing a valid CAPTCHA response to be replayed for low-integrity abuse (spam, password reset floods). CVSS 5.3 MEDIUM. Fixed in 1.8.40; no in-the-wild expl...

CVE-2026-45734: Improper Enforcement of a Single, Unique Action

MyBB is free and open source forum software. Prior to 1.8.40, the built-in CAPTCHA does not consistently enforce single-use semantics, allowing remote attackers to bypass CAPTCHA controls through challenge replay. The successful validation paths in contact.php, member.php?action=doresendactivatio...

CVE-2026-15315: Improper Authentication

Tapo C120 v1 and C200 v5 contain an improper authentication vulnerability within the login authentication verification module. An attacker on the local network can exploit weaknesses in challenge parameter validation to bypass normal authentication controls and obtain administrative session token...

PT-2026-78230

Name of the Vulnerable Software and Affected Versions Tapo C200 version v5 Description An improper authentication issue exists within the login authentication verification module. An attacker on the local network can exploit weaknesses in the validation of the challenge parameter to bypass...

MINI-CPHW-C7R3-CP6G

Bulletin has no description...

SUSE CVE-2026-68118

In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcpcheckreq accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefore removes the request...

EUVD-2025-210723

HCL AION is affected by a vulnerability where certain endpoints lack sufficient anti-automation controls. Automated or scripted requests may be submitted without adequate rate limiting or challenge mechanisms, potentially resulting in unintended behavior or security impact under certain condition...

Security Bulletin: Vulnerability in OpenSSL affects IBM Netezza Appliance

Summary The OpenSSL package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2026-34183 Vulnerability Details CVEID:CVE-2026-34183 DESCRIPTION: Issue summary: Remote peer may exhaust heap memory of the QUIC server or client by flooding it with packets...

CVE-2026-68118

In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcpcheckreq accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefore removes the request...

AZL-95003 CVE-2026-68118 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcpcheckreq accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefore removes the request...

UBUNTU-CVE-2026-68118

In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcpcheckreq accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefore removes the request...

CVE-2026-68118

In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcpcheckreq accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefore removes the request...

EUVD-2026-55499

In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcpcheckreq accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefore removes the request...

CVE-2026-68118 tcp: challenge ACK for non-exact RST in SYN-RECEIVED

In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcpcheckreq accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefore removes the request...

CVE-2026-68118 tcp: challenge ACK for non-exact RST in SYN-RECEIVED

In the Linux kernel, the following vulnerability has been resolved: tcp: challenge ACK for non-exact RST in SYN-RECEIVED The SYN-RECEIVED request-socket path in tcpcheckreq accepts an in-window RST without requiring SEG.SEQ to exactly match RCV.NXT. A non-exact RST therefore removes the request...