Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: For SMP configurations, the requirement to enforce MITM Mutual Authentication, Mutual Encryption before generating the pairing response must be applied. Currently, the smpcmdpairingreq function generates the pairing...

CVE-2026-19291

Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the BLERP paper linked below...

CVE-2026-19292

Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK easier. See V4 in the BLERP paper linked below...

EUVD-2026-57927

Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK easier. See V4 in the BLERP paper linked below...

CVE-2026-19291 Bluetooth re-pairing can use a lower security level than previous

Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the BLERP paper linked below...

EUVD-2026-57926

Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the BLERP paper linked below...

CVE-2026-19291 Bluetooth re-pairing can use a lower security level than previous

Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the BLERP paper linked below...

CVE-2026-19291

The CVE-2026-19291 issue affects RS9116W and SiWx91x devices during Bluetooth re-pairing, where re-pairing with an existing device can use a lower security level than the previous pairing. The connection in the documents notes the problem and references the BLERP paper for details, implying a dow...

PT-2026-71610

Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK easier. See V4 in the BLERP paper linked below...

PT-2026-71609

Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the BLERP paper linked below...

CVE-2026-56679 9Router: Mass assignment in PATCH /api/settings allows authenticated authorization downgrade

9Router is an AI router & token saver. Prior to 0.5.4, the PATCH /api/settings endpoint writes the entire request body to persistent settings without a field whitelist, allowing an authenticated user to set security-critical fields such as requireLogin and disable authentication for the whole...

CVE-2026-54291

CVE-2026-54291 affects pgjdbc (OpenJDK PostgreSQL JDBC Driver) in versions 42.7.4–42.7.11. The issue allows a silent downgrade of channelBinding from SCRAM-SHA-256-PLUS to plain SCRAM-SHA-256 when an attacker can intercept TLS and presents a certificate whose signature algorithm lacks a tls-serve...

undici: undici: Weakening of cookie SameSite policy due to incorrect parsing of Set-Cookie header

A flaw was found in undici. When undici processes Set-Cookie headers, it incorrectly interprets the SameSite attribute, accepting partial matches instead of exact ones. This allows a malicious server to downgrade a cookie's SameSite policy to a less secure setting, potentially leading to unintend...

CVE-2026-8676

An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the bonded device and creating a new bond...

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...

CVE-2026-30080

OpenAirInterface v2.2.0 accepts Security Mode Complete without any integrity protection. Configuration has supported integrity NIA1 and NIA2. But if an UE sends initial registration request with only security capability IA0, OpenAirInterface accepts and proceeds. This downgrade security context c...

CVE-2026-30080

OpenAirInterface v2.2.0 accepts Security Mode Complete without any integrity protection. Configuration has supported integrity NIA1 and NIA2. But if an UE sends initial registration request with only security capability IA0, OpenAirInterface accepts and proceeds. This downgrade security context c...

CVE-2026-30080

OpenAirInterface v2.2.0 accepts Security Mode Complete without any integrity protection. Configuration has supported integrity NIA1 and NIA2. But if an UE sends initial registration request with only security capability IA0, OpenAirInterface accepts and proceeds. This downgrade security context c...

CVE-2026-30080

OpenAirInterface version 2.2.0 contains a security vulnerability where the system accepts Security Mode Complete without any integrity protection. Although the configuration supports integrity protection NIA1 and NIA2 , the platform erroneously accepts initial registration requests from a User Eq...

CVE-2025-14821

A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH Secure Shell connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an...