Astra Linux – Vulnerability in unbound

Before version 1.9.5, Unbound allowed configuration injection in the createunboundadservers.sh script after a successful man-in-the-middle attack on a cleartext HTTP session. NOTE: The vendor does not consider this a vulnerability of the Unbound software. createunboundadservers.sh is a contribute...

Astra Linux – Vulnerability in Ruby2.5, JRuby

A issue was discovered in Ruby between versions 2.6.7, 2.7.x up to 2.7.3, and 3.x up to 3.0.1. The Net::IMAP library does not raise an exception when the StartTLS command fails with an unknown response. This may allow man-in-the-middle attackers to bypass TLS protections by leveraging the network...

CVE-2026-41132

CKAN is an open-source DMS data management system for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate e.g. self-signed, leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in...

CVE-2026-42946

A vulnerability CVE-2026-42946 affects the NGINX ngx_http_scgi_module and ngx_http_uwsgi_module. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker with MITM control over upstream responses may trigger excessive memory allocation or an out-of-bounds read in the NGINX worker, ...

CVE-2026-33603

Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires that the attacker is able to position itself between Dovecot and the client connection. If successful, the attacker can eavesdrop communications between Dovecot and...

GHSA-FF6C-W6QF-7XQC CSS Parser: Improper Certificate Validation allows MITM injection of remote CSS content

Summary The CSS Parser gem does not validate HTTPS connections, allowing a Man-in-the-Middle MITM attacker to inject or modify CSS content when stylesheets are loaded via HTTPS. The connection is established with OpenSSL::SSL::VERIFYNONE, meaning any HTTPS certificate—even entirely untrusted—will...

PT-2026-38260

Name of the Vulnerable Software and Affected Versions SUSE Virtualization versions prior to 1.8.0 Description A security gap exists in the SUSE Virtualization Rancher integration mechanism where the registration client uses an insecure TLS option that fails to verify the remote server's...

RHCOS 4 : OpenShift Container Platform 4.4.8 containernetworking-plugins (RHSA-2020:2403)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2403 advisory. - containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters CVE-2020-10749 Note that Nessus has not...

PT-2026-37108

Name of the Vulnerable Software and Affected Versions CKAN versions prior to 2.10.10 CKAN versions prior to 2.11.5 Description The configured SMTP server may be spoofed using any certificate, such as a self-signed one. This allows for Man-in-the-Middle MITM attacks, where an attacker intercepts...

CVE-2026-40557

Improper Certificate Validation via Global SSL Context Downgrade in Apache Storm Prometheus Reporter Versions Affected: from 2.6.3 to 2.8.6 Description: In production deployments where an administrator enables storm.daemon.metrics.reporter.plugin.prometheus.skiptlsvalidation by default it is...

DEBIAN-CVE-2026-32105

xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks th...

CVE-2026-32105

xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks th...

CVE-2026-32105

xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks th...

CVE-2026-32105 xrdp: RDP MAC signature (dataSignature) never verified on receive — integrity bypass in non-TLS mode

xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks th...

CVE-2026-32105

xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks th...

CVE-2026-34477

A flaw was found in Apache Log4j Core. A network-based attacker can perform a man-in-the-middle MITM attack, allowing them to intercept encrypted communications. This occurs when an SMTP, Socket, or Syslog appender uses Transport Layer Security TLS with a nested element, and the attacker has a...

curl: Bypassing Strict SSH Server Verification via Connection Pool Reuse in libcurl

Summary There is a logic flaw in how libcurl manages its connection pool for SSH protocols SFTP/SCP. When evaluating an existing connection for reuse, sshconfigmatches in lib/url.c fails to compare server identity verification policies. By ignoring CURLOPTSSHKNOWNHOSTS, CURLOPTSSHHOSTPUBLICKEYMD5...

AlmaLinux 8 : nginx:1.24 (ALSA-2026:5581)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:5581 advisory. nginx: NGINX: Data injection via man-in-the-middle attack on TLS proxied connections CVE-2026-1642 Tenable has extracted the preceding description block directly...

EUVD-2026-10497

Specially crafted ZIP archives can escape the intended extraction directory during Node.js download and extraction in Vaadin 14.2.0 through 14.14.0, 23.0.0 through 23.6.6, 24.0.0 through 24.9.8, and 25.0.0 through 25.0.2. Vaadin’s build process can automatically download and extract Node.js if it...

CVE-2026-2741

CVE-2026-2741 affects Vaadin’s build process which automatically downloads and extracts Node.js when not installed locally. A path traversal flaw in specially crafted ZIP archives can make files be written outside the intended extraction directory during Node.js download/extraction for Vaadin ver...