CVE-2026-19538 Bypass of BLOCKED ACL items on proxy protocol port over TCP or TLS

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open...

CVE-2026-19538 Bypass of BLOCKED ACL items on proxy protocol port over TCP or TLS

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open...

CVE-2026-19538

This vulnerability affects NSD (NLnet Labs' DNS server daemon). BLOCKED access control list items on the proxy protocol port can be completely bypassed by connecting over TCP or TLS and sending the query twice on a single kept-open connection. The CVSS 4.0 score is 8.2 (HIGH) , with primary impac...

CVE-2026-19538

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open...

CVE-2026-19538

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open...

CVE-2026-19538

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open...

curl: Stacked --proto modifiers leave denied protocol enabled

Summary proto2num line 431–447 consumes only one leading modifier character via a switch statement. The documentation says entries may be "prefixed by zero or more modifiers." Before commit 86ac471d, a loop consumed all modifiers. The replacement switch reads only the first character. --proto...

nerva v1.69.2

Nerva Nerva: Fast Service Fingerprinting CLI Features • Installation • Quick Start • Usage • Protocols • Library • Use Cases • Troubleshooting High-performance service fingerprinting written in Go. Identify 170+ network protocols across TCP, UDP, and SCTP transports with rich metadata extraction...

PT-2026-82235

Name of the Vulnerable Software and Affected Versions TP-Link Kasa affected versions not specified Description Multiple smart home devices have insufficient cryptographic protections in the local device communication protocol. An attacker on the same network can intercept, replay, or forge locall...

CVE-2026-76784: Missing Cryptographic Step

Multiple TP-Link Kasa smart home devices contain insufficient cryptographic protections in the local device communication protocol. An adjacent network attacker may intercept, replay or forge locally exchanged control messages, potentially resulting in unauthorized device control. Successful...

PT-2026-82206

Name of the Vulnerable Software and Affected Versions langfun versions prior to 0.1.2 Description An Eval Injection occurs in the default lf.query Python protocol. This issue allows remote unauthenticated attackers to execute arbitrary Python code within the host application context. The flaw is...

CVE-2026-59683: External Control of File Name or Path

The OpenRGB network protocol allows to write attacker controlled strings into arbitrary file system paths extension of CVE-2026-59682. This allows either a full system compromise from local or remote if the daemon is running as root or a full account takeover if the daemon is running in user...

CVE-2026-18794: Improper Validation of Consistency within Input

The OpenRGB network protocol allows attackers to cause memory exhaustion and out-of-bounds memory reads and writes by passing inconsistent data...

CVE-2026-19538: Authentication Bypass by Spoofing

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open...

CVE-2026-77611: Incorrect Authorization

SeaweedFS is a distributed storage system for files and blobs. In versions prior to 4.40, an authenticated S3 principal with permissions scoped to a nested object key can overwrite a different object outside that scope by calling PutObjectAcl on the key it is allowed to access. The handler...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: wireshark (UTSA-2026-104788)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104788 advisory. ESS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service Tenable has extracted the preceding description block directly from the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: wireshark (UTSA-2026-104760)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104760 advisory. C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service Tenable has extracted the preceding description block directly from th...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: wireshark (UTSA-2026-104799)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104799 advisory. CMS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service Tenable has extracted the preceding description block directly from the...

Ubuntu 20.04 LTS / 22.04 LTS / Pro Realtime 22.04 LTS : Linux kernel vulnerabilities (USN-8658-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / Pro Realtime 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8658-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: wireshark (UTSA-2026-104797)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104797 advisory. RRC protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service Tenable has extracted the preceding description block directly from the...