CVE-2026-55857

A flaw was found in MariaDB Connector/J. A remote attacker or a man-in-the-middle server can exploit a vulnerability in the PAM dialog authentication mechanism. This flaw allows the attacker to coerce the connector into transmitting account passwords over an insecure connection when default...

CVE-2026-20355 Cisco Secure Email S/MIME Ciphertext Decryption Vulnerabilty

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20355

CVE-2026-20355 affects the S/MIME decryption functionality of Cisco Secure Email . The root cause is insufficient validation of message integrity , allowing an unauthenticated, remote attacker to use a machine-in-the-middle technique to intercept and modify traffic between email gateways and reco...

EUVD-2026-70210

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-20354 Cisco Secure Email S/MIME Ciphertext Decryption Vulnerabilty

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

CVE-2026-55856

A flaw was found in MariaDB Connector/J. An active man-in-the-middle MITM attacker or hostile server can exploit a vulnerability during the initial connection handshake. When a Java application connects using specific SSL modes without proper certificate configuration, the connector may accept an...

MITM (Man-in-the-Middle) Netty Dependency in Confluence Data Center

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This High severity MITM Man-in-the-Middle vulnerability known as CVE-2026-45674 was introduced in versions 7.4.0, 7.13.0, 7.19.0, 8.5.0, 8.9.0...

OPENSUSE-SU-2026:21735-1 Security update for LibVNCServer

This update for LibVNCServer fixes the following issue: - CVE-2026-50538: malicious or MiTM VNC servers can force a connecting libvncclient to write attacker-controlled data past the end of a framebuffer, which can lead to a crash or arbitrary code execution bsc1276218...

OpenLDAP SASL authentication bypass

A flaw in the libcurl SASL negotiation for LDAP authentication allows an incomplete handshake sequence to be misinterpreted as a successful cryptographic verification. An attacker executing a Man-in-the-Middle MITM attack can inject a premature or shortcut response that bypasses complete peer...

PT-2026-84815

Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions S/MIME decryption functionality of Cisco Secure Email could allow an unauthenticated, remote attacker to recover plain text from encrypted email messages. These vulnerabilities are due to insufficient validation of messa...

PT-2026-84650

Name of the Vulnerable Software and Affected Versions libcurl affected versions not specified Description A flaw in the SASL negotiation for LDAP authentication allows an incomplete handshake sequence to be misinterpreted as a successful cryptographic verification. An attacker performing a...

DEBIAN-CVE-2026-84366

Scrapy is a high-level web crawling and scraping framework for Python. Prior to 2.17.0, in scrapy/core/downloader/handlers/s3.py, Scrapy's S3DownloadHandler converts an S3-scheme bucket and key request into a plaintext HTTP request to the corresponding S3 endpoint unless request.meta"issecure" is...

CVE-2026-84366

Scrapy's S3DownloadHandler (in scrapy/core/downloader/handlers/s3.py) converts S3-scheme requests into plaintext HTTP requests to S3 endpoints unless request.meta["is_secure"] is explicitly enabled. Prior to version 2.17.0 , the request is signed and sent in cleartext with the configured AWS cred...

CVE-2026-84366 Scrapy: S3DownloadHandler sends signed S3 requests over plaintext HTTP by default

Scrapy is a high-level web crawling and scraping framework for Python. Prior to 2.17.0, in scrapy/core/downloader/handlers/s3.py, Scrapy's S3DownloadHandler converts an S3-scheme bucket and key request into a plaintext HTTP request to the corresponding S3 endpoint unless request.meta"issecure" is...

CVE-2026-73756 Unauthenticated Sensitive Information Disclosure via Man-in-the-Middle in AOS-CX via API Endpoint

A vulnerability in an API endpoint of AOS-CX could allow a remote unauthenticated attacker to obtain sensitive information via a man-in-the-middle attack. Successful exploitation allows an attacker to retrieve data which could be used to further compromise the confidentiality of the affected syst...

CVE-2026-73756 Unauthenticated Sensitive Information Disclosure via Man-in-the-Middle in AOS-CX via API Endpoint

A vulnerability in an API endpoint of AOS-CX could allow a remote unauthenticated attacker to obtain sensitive information via a man-in-the-middle attack. Successful exploitation allows an attacker to retrieve data which could be used to further compromise the confidentiality of the affected syst...

EUVD-2026-69620

A vulnerability in an API endpoint of AOS-CX could allow a remote unauthenticated attacker to obtain sensitive information via a man-in-the-middle attack. Successful exploitation allows an attacker to retrieve data which could be used to further compromise the confidentiality of the affected syst...

open-iscsi: open-iscsi: Privilege Escalation via Path Traversal

A flaw was found in open-iscsi. This vulnerability, known as Path Traversal, allows remote Man-in-the-Middle MITM attackers to manipulate file paths. By doing so, attackers can create files with root privileges outside the intended database and inject malicious content into system records. This...

CVE-2026-82662

A flaw was found in Nodemailer where it disables Transport Layer Security TLS certificate verification. A remote attacker, positioned between the user and the server a machine-in-the-middle attack, could exploit this by intercepting OAuth2 token requests. This allows the attacker to capture...

TencentOS Server 2: gnutls (TSSA-2026:0943)

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0943 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities...