CVE-2026-13759

CVE-2026-13759 affects IBM WebSphere eXtreme Scale (WebSphere Extreme Scale) 8.6.1.0–8.6.1.6. The root cause is insecure deserialization: three ObjectInputStream subclasses (WsObjectInputStream, ObjectStreamPool$ReusableInputStream, ObjectInputStreamResolver) ship without a JEP-290 class filter. ...

mariadb: Arbitrary shell command execution via improper sanitization in CONNECT engine

A flaw was found in MariaDB server. When the CONNECT engine is installed and REST support is enabled on Windows, a user can exploit improper sanitization of the table HTTP attribute. This attribute is interpolated into the curl command line, allowing for arbitrary shell command execution on the...

mariadb: Arbitrary shell command execution via improper sanitization in CONNECT engine

A flaw was found in MariaDB server. When the CONNECT engine is installed and REST support is enabled on Windows, a user can exploit improper sanitization of the table HTTP attribute. This attribute is interpolated into the curl command line, allowing for arbitrary shell command execution on the...

mariadb: Arbitrary shell command execution via improper sanitization in CONNECT engine

A flaw was found in MariaDB server. When the CONNECT engine is installed and REST support is enabled on Windows, a user can exploit improper sanitization of the table HTTP attribute. This attribute is interpolated into the curl command line, allowing for arbitrary shell command execution on the...

SUSE CVE-2026-58050

libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation numattrs sizeoflibssh2publickeyattribute without bounds checking, so on 32-bit platforms the multiplication overflows to an undersized buffer. A malicious S...

EUVD-2026-40246

A buffer overflow in the GetAttributeList function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service DoS via supplying a crafted Common Packet Format CPF packet...

Linux Distros Unpatched Vulnerability : CVE-2026-54371

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - attr before version 2.6.0 contains a symlink traversal vulnerability in the getfattr and setfattr utilities that allows local attackers to escalate privileges b...

mariadb: Arbitrary shell command execution via improper sanitization in CONNECT engine

A flaw was found in MariaDB server. When the CONNECT engine is installed and REST support is enabled on Windows, a user can exploit improper sanitization of the table HTTP attribute. This attribute is interpolated into the curl command line, allowing for arbitrary shell command execution on the...

CVE-2026-51221

A buffer overflow in the GetAttributeList function of EIPStackGroup OpENer commit 76b95c allows attackers to cause a Denial of Service DoS via supplying a crafted Common Packet Format CPF packet...

CVE-2026-54889

Improper Neutralization of Input During Web Page Generation XSS vulnerability in leandrocp mdex allows cross-site scripting via unsanitized URL schemes in Quill Delta output. 'Elixir.MDEx':todelta/2 converts Markdown into a Quill Delta. 'Elixir.MDEx.DeltaConverter':defaultconvertnode/3 in...

Sensitive Cookie Without "HttpOnly" Flag

Overview Affected versions of this package are vulnerable to Sensitive Cookie Without "HttpOnly" Flag via missing HttpOnly and Secure attributes on the pinpointJwt session cookie. An attacker can access session tokens by exploiting stored or reflected cross-site scripting to exfiltrate the cookie...

CVE-2026-53427 Cross-site scripting in MDEx via unescaped highlight_lines_class code-fence attribute

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in leandrocp MDEx allows stored or reflected cross-site scripting via attacker-controlled Markdown. When syntax highlighting and full info-string forwarding render: fullinfostring: true are enabled, t...

CVE-2026-53427 Cross-site scripting in MDEx via unescaped highlight_lines_class code-fence attribute

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in leandrocp MDEx allows stored or reflected cross-site scripting via attacker-controlled Markdown. When syntax highlighting and full info-string forwarding render: fullinfostring: true are enabled, t...

CVE-2026-13757

A flaw was found in p11-kit. The RPC message attribute parsing functions p11rpcmessagegetattribute and p11rpcmessagegetattributearrayvalue form a mutually-recursive call chain with no recursion depth limit when processing nested CKAWRAPTEMPLATE, CKAUNWRAPTEMPLATE, and CKADERIVETEMPLATE attributes...

EUVD-2026-40173

A flaw was found in p11-kit. The RPC message attribute parsing functions p11rpcmessagegetattribute and p11rpcmessagegetattributearrayvalue form a mutually-recursive call chain with no recursion depth limit when processing nested CKAWRAPTEMPLATE, CKAUNWRAPTEMPLATE, and CKADERIVETEMPLATE attributes...

CVE-2026-13757

CVE-2026-13757 affects p11-kit. The RPC attribute parsing functions p11_rpc_message_get_attribute() and p11_rpc_message_get_attribute_array_value() can form a mutually-recursive call chain with no recursion depth limit when handling nested CKA_WRAP_TEMPLATE, CKA_UNWRAP_TEMPLATE, and CKA_DERIVE_TE...

CVE-2026-57948 Pinpoint - Insecure Session Cookie Attributes in pinpointJwt

Pinpoint through version 3.1.0 contains an insecure session management vulnerability that allows attackers to access the pinpointJwt session cookie due to missing HttpOnly and Secure attributes, enabling JavaScript access via document.cookie and cleartext transmission over HTTP. Attackers can...

CVE-2026-58050

A flaw in libssh2 allows a malicious SSH server to trigger a memory overflow by sending a manipulated attribute count. This can cause the connecting client to crash or allow unauthorized code execution. Mitigation To mitigate this issue,ensure your applications are running strictly on 64-bit...

Security Bulletin: Log4j Core TLS hostname verification bypass via verifyHostName XML attribute allows man-in-the-middle attacks on SMTP/Socket/Syslog appenders.

Summary Vulnerabilities have been identified in Apache Log4j Core affecting TLS security and log integrity. The first leaves TLS hostname verification silently ineffective through version 2.25.3, exposing SMTP, Socket, and Syslog appenders to man-in-the-middle attacks. The second introduces CRLF...

Security Bulletin: Log4j Core TLS hostname verification bypass via verifyHostName XML attribute allows man-in-the-middle attacks on SMTP/Socket/Syslog appenders.

Summary Vulnerabilities have been identified in Apache Log4j Core versions up to 2.25.3 affecting TLS security, log integrity, and XML output handling. The first exposes SMTP, Socket, and Syslog appenders to man-in-the-middle attacks due to silently ineffective hostname verification; the second...