CVE-2026-20699

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data...

CVE-2026-20699: Improper Verification of Cryptographic Signature

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data...

CVE-2026-32309

Cryptomator (hub-based unlock flow) is affected prior to version 1.19.1. The vault metadata may drive OAuth and key-loading traffic over plaintext HTTP or insecure endpoint schemes instead of HTTPS, enabling a network attacker to observe or tamper with traffic. Bearer tokens and endpoint-level tr...

EUVD-2026-12309

Use of a broken or risky cryptographic algorithm in Smart Switch prior to version 3.7.69.15 allows remote attackers to configure a downgraded scheme for authentication...

CVE-2026-20996

Use of a broken or risky cryptographic algorithm in Smart Switch prior to version 3.7.69.15 allows remote attackers to configure a downgraded scheme for authentication...

CVE-2026-20996

Use of a broken or risky cryptographic algorithm in Smart Switch prior to version 3.7.69.15 allows remote attackers to configure a downgraded scheme for authentication...

CVE-2026-20996

CVE-2026-20996 affects Smart Switch prior to version 3.7.69.15, where use of a broken or risky cryptographic algorithm enables remote attackers to downgrade the authentication scheme. The issue is documented across multiple sources (CVE/NVD and Red Hat EUVD/AKB entries) and is tied to the downgra...

CVE-2026-20996

Use of a broken or risky cryptographic algorithm in Smart Switch prior to version 3.7.69.15 allows remote attackers to configure a downgraded scheme for authentication...

PT-2026-25601

Name of the Vulnerable Software and Affected Versions Smart Switch versions prior to 3.7.69.15 Description The use of a broken or risky cryptographic algorithm in Smart Switch allows remote attackers to configure a downgraded scheme for authentication. Recommendations Update Smart Switch to versi...

CVE-2026-20996: Undefined Security Weakness

Use of a broken or risky cryptographic algorithm in Smart Switch prior to version 3.7.69.15 allows remote attackers to configure a downgraded scheme for authentication...

Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')

Overview Affected versions of this package are vulnerable to Selection of Less-Secure Algorithm During Negotiation 'Algorithm Downgrade' in the TLS 1.3 server key agreement group selection when the server configuration includes the 'DEFAULT' keyword. An attacker can influence the negotiation to u...

Rapid7 Analysis: CVE-2026-20127

CVE-2026-20127: Cisco Catalyst SD-WAN Authentication Bypass Overview On 25th February 2026, Cisco published an advisory for CVE-2026-20127, a critical authentication bypass vulnerability in the vdaemon service of Cisco Catalyst SD-WAN formerly Viptela. The flaw allows an unauthenticated, remote...

GHSA-928R-FM4V-MVRW TechDocs Mkdocs Configuration Key Enables Arbitrary Code Execution

Impact This is a configuration bypass vulnerability that enables arbitrary code execution. The @backstage/plugin-techdocs-node package uses an allowlist to filter dangerous MkDocs configuration keys during the documentation build process. A gap in this allowlist allows attackers to craft an...

PT-2026-25127

Summary A sandboxed session could use cross-agent sessions spawn to create a child under an agent configured with sandbox.mode="off", downgrading runtime confinement. Impact In mixed-agent setups that allow cross-agent spawning, a sandboxed requester could escape into an unsandboxed child runtime...

Active exploitation of Cisco Catalyst SD-WAN by UAT-8616

Cisco Talos is tracking the active exploitation of CVE-2026-20127, a vulnerability in Cisco Catalyst SD-WAN Controller, formerly vSmart, that allows an unauthenticated remote attacker to bypass authentication and obtain administrative privileges on the affected system by sending a crafted request...

Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50118)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50118 advisory. - Limit recursion in ri-records CVE-2021-3622 resolves: rhbz1976194 - Bounds check for block exceeding page length CVE-2021-3504 resolves: rhbz1950501...

(Pwn2Own) Ubiquiti Networks AI Pro Discovery Protocol Missing Encryption Protocol Downgrade Vulnerability

This vulnerability allows network-adjacent attackers to downgrade the communication protocol on affected installations of Ubiquiti Networks AI Pro. Authentication is not required to exploit this vulnerability. The specific flaw exists within the discovery protocol. The issue results from the lack...

Linux Distros Unpatched Vulnerability : CVE-2026-26994

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - uTLS is a fork of crypto/tls, created to customize ClientHello for fingerprinting resistance while still using it for the handshake. In versions 1.6.7 and below...

SUSE CVE-2026-26994

uTLS is a fork of crypto/tls, created to customize ClientHello for fingerprinting resistance while still using it for the handshake. In versions 1.6.7 and below, uTLS did not implement the TLS 1.3 downgrade protection mechanism specified in RFC 8446 Section 4.1.3 when using a uTLS ClientHello spe...

CVE-2026-26994

A flaw was found in uTLS. An active network attacker could exploit this vulnerability by manipulating the initial connection message ClientHello during the TLS handshake. This manipulation forces a downgrade from the more secure TLS 1.3 protocol to an older, less secure version like TLS 1.2. As a...