CVE-2026-69646

Improper verification of cryptographic signature in Skype for Business allows an unauthorized attacker to perform spoofing over an adjacent network...

EUVD-2026-73939

Improper verification of cryptographic signature in Skype for Business allows an unauthorized attacker to perform spoofing over an adjacent network...

CVE-2026-69646

CVE-2026-69646 is an improper verification of cryptographic signature vulnerability in Skype for Business Server (Subscription Edition, 2015, and 2019). An unauthorized attacker on an adjacent network can perform spoofing without requiring privileges or user interaction. The CVSS 3.1 score is 8.3...

CVE-2026-57098

Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network...

EUVD-2026-73176

Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network...

Skype for Business Spoofing Vulnerability

Improper verification of cryptographic signature in Skype for Business allows an unauthorized attacker to perform spoofing over an adjacent network...

CVE-2026-86080: Improper Verification of Cryptographic Signature

n8n is an open source workflow automation platform. Prior to 1.123.76, 2.37.7, and 2.38.2, the GitHub Trigger generated a webhook secret but discarded it when GitHub returned HTTP 422 and the node reused an existing webhook. Workflow static data then retained webhookId without webhookSecret, and...

PT-2026-87197

Improper verification of cryptographic signature in Windows RDP Client allows an unauthorized attacker to disclose information over a network...

CVE-2026-14296: Improper Verification of Cryptographic Signature

When using the Direct XIP update strategy, the main application image starts other cores i.e. radio core, based on the currently active slot without additional verification. The MCUboot in the bare upstream configuration assumes that if there is at least a single slot for each image available, th...

PT-2026-86330

🚨 CVE-2026-77826 The RegistrationMagic WordPress plugin before 6.0.9.9 does not verify which application a Facebook access token was issued to before accepting it as proof of identity, allowing unauthenticated attackers to log in as an existing user whose token they can obtain, or to create and l...

CVE-2026-67276: Improper Verification of Cryptographic Signature

RouterOS does not compare the complete RSA public key when matching an SSH authentication request to an authorized user key, checking the key type and modulus but omitting the exponent. Because signature verification uses the client-supplied key, an attacker knowing an authorized RSA modulus can...

CVE-2026-67278: Improper Verification of Cryptographic Signature

MikroTik RouterOS accepts malformed RSA/PKCS1 v1.5 signatures across RSA-based services, including TLS/X.509 certificate validation and SSH host-key authentication. Because its trust store includes an e=3 root CA, an attacker controlling or redirecting an outbound RouterOS TLS connection can use...

CVE-2026-52767: Improper Verification of Cryptographic Signature

YesWiki is a wiki system written in PHP. From version 4.6.2 to before version 4.6.6, HttpSignatureService::verifySignature checks the result of PHP's opensslverify with a loose boolean negation - if !opensslverify... throw ... . PHP's opensslverify has four possible return values: 1, 0, -1, and...

CVE-2026-79389

Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing. An attacker with network access can replay or modify captured MQTT messages, including security-related nonce, timestamp, and signature fields, and the device accepts the modified messages and executes the...

EUVD-2026-70794

Improper verification of cryptographic signature in Copilot Studio allows an unauthorized attacker to elevate privileges over a network...

CVE-2026-85085: Improper Verification of Source of a Communication Channel

The Canva Android App before 2.376.0 allowed an external origin to be loaded in a privileged WebView. A threat actor who controls the page loaded by the user is able to communicate with Canva using the user’s session...

PT-2026-86250

Name of the Vulnerable Software and Affected Versions Trueview T18161 S version 6.0.23.4 Description Improper verification in MQTT command processing allows a network-based attacker to replay or modify captured MQTT messages. By manipulating security-related fields such as nonce, timestamp, and...

CVE-2026-79389

Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing. An attacker with network access can replay or modify captured MQTT messages, including security-related nonce, timestamp, and signature fields, and the device accepts the modified messages and executes the...

CVE-2026-79389

The Trueview T18161 S 6.0.23.4 firmware contains an improper verification flaw in MQTT command processing . An attacker with network access can capture and replay or modify MQTT messages, specifically targeting security-related fields such as the nonce, timestamp, and signature . If successful, t...

CVE-2026-79389

Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing. An attacker with network access can replay or modify captured MQTT messages, including security-related nonce, timestamp, and signature fields, and the device accepts the modified messages and executes the...