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...

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...

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

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...

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-2026-56679 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-2026-30080

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 is affected: the system accepts Security Mode Complete without integrity protection, downgrading from supported integrity configurations (NIA1/NIA2) to a capability IA0 during initial registration. This can enable replay attacks. Red Hat ENISA/NVD entries corroborate the d...

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-2026-25644 DataHub's LDAP Ingestion Source vulnerable to MITM attack through TLS downgrade

DataHub is an open-source metadata platform. Prior to version 1.3.1.8, the LDAP ingestion source is vulnerable to MITM attack through TLS downgrade. This issue has been patched in version 1.3.1.8...

CVE-2025-55292

Meshtastic is an open source mesh networking solution. In the current Meshtastic architecture, a Node is identified by their NodeID, generated from the MAC address, rather than their public key. This aspect downgrades the security, specifically by abusing the HAM mode which doesn't use encryption...

MiracleLinux 4 : postgresql-8.4.20-8.0.1.AXS4 (AXSA:2021-1754:02)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-1754:02 advisory. postgresql: Reconnection can downgrade connection security settings CVE-2020-25694 postgresql: Multiple features escape security restricted operatio...

MiracleLinux 8 : postgresql:10 (AXSA:2021-1514:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2021-1514:01 advisory. postgresql: Reconnection can downgrade connection security settings CVE-2020-25694 postgresql: Multiple features escape security restricted operatio...

CVE-2026-22698

RustCrypto: Elliptic Curves is general purpose Elliptic Curve Cryptography ECC support, including types and traits for representing various elliptic curve forms, scalars, points, and public/secret keys composed thereof. In versions 0.14.0-pre.0 and 0.14.0-rc.0, a critical vulnerability exists in...

CVE-2025-43522

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to access user-sensitive data...