CVE-2026-72887

Net::OAuth::Client versions before 0.32 for Perl allow the service provider to silently downgrade OAuth 1.0a to OAuth 1.0 in getrequesttoken. Passing a callback to the constructor selects OAuth 1.0a. getrequesttoken then revokes that choice when the request token response omits...

CVE-2026-72887

Net::OAuth::Client versions before 0.32 for Perl allow the service pro...

CVE-2026-72887

Net::OAuth::Client versions before 0.32 for Perl allow the service provider to silently downgrade OAuth 1.0a to OAuth 1.0 in getrequesttoken. Passing a callback to the constructor selects OAuth 1.0a. getrequesttoken then revokes that choice when the request token response omits...

CVE-2026-72887

Net::OAuth::Client for Perl is affected in versions before 0.32. The vulnerability allows a service provider to silently downgrade OAuth 1.0a to OAuth 1.0 during get_request_token due to how oauth_callback_confirmed is handled; a provided callback can cause 1.0a to be discarded, and the access to...

EUVD-2026-59987

Net::OAuth::Client versions before 0.32 for Perl allow the service provider to silently downgrade OAuth 1.0a to OAuth 1.0 in getrequesttoken. Passing a callback to the constructor selects OAuth 1.0a. getrequesttoken then revokes that choice when the request token response omits...

CVE-2026-72180

CVE-2026-72180 affects the Linux kernel’s huge memory handling (mm/huge_memory). The root cause is that during device-private PMD downgrade, the pmd_swp_uffd_wp flag can be lost when the swap entry is rewritten, allowing a plain mprotect() on a UFFD_WP-marked device-private THP to strip the flag ...

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...

org.postgresql/postgresql: com.ongres.scram/scram-client: pgjdbc: Man-in-the-middle protection bypass via SCRAM-SHA-256-PLUS downgrade

A flaw was found in pgjdbc, an open-source PostgreSQL JDBC Driver. A remote attacker who can intercept a TLS Transport Layer Security connection can silently downgrade connections configured to require channel binding from SCRAM-SHA-256-PLUS to plain SCRAM-SHA-256. This downgrade bypasses the...

com.ongres.scram/scram-client: com.ongres.scram/scram-common: SCRAM Libraries: Authentication downgrade via TLS man-in-the-middle attack

A flaw was found in the SCRAM Salted Challenge Response Authentication Mechanism client and common libraries. An attacker performing a man-in-the-middle MITM attack on a Transport Layer Security TLS connection can silently downgrade the authentication process. This vulnerability allows the attack...

org.postgresql/postgresql: com.ongres.scram/scram-client: pgjdbc: Man-in-the-middle protection bypass via SCRAM-SHA-256-PLUS downgrade

A flaw was found in pgjdbc, an open-source PostgreSQL JDBC Driver. A remote attacker who can intercept a TLS Transport Layer Security connection can silently downgrade connections configured to require channel binding from SCRAM-SHA-256-PLUS to plain SCRAM-SHA-256. This downgrade bypasses the...

com.ongres.scram/scram-client: com.ongres.scram/scram-common: SCRAM Libraries: Authentication downgrade via TLS man-in-the-middle attack

A flaw was found in the SCRAM Salted Challenge Response Authentication Mechanism client and common libraries. An attacker performing a man-in-the-middle MITM attack on a Transport Layer Security TLS connection can silently downgrade the authentication process. This vulnerability allows the attack...

Important: Red Hat Security Advisory: Red Hat build of Quarkus 3.33.3 release and security update

An update is now available for Red Hat build of Quarkus. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability. For more informatio...

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

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-2026-19012

A flaw was found in Consul. An authenticated attacker with config-entry write permission can exploit a vulnerability in the Enterprise-to-Community Edition downgrade path. By submitting a specially crafted service-router configuration entry, the attacker can cause the Consul server agent to exit...

EUVD-2026-56921

An issue in MongoDB Server's intra-cluster connection setup could allow a party with suitable network access to influence which authentication mechanism is used when one replica set member connects to another. Under certain conditions, this could cause the cluster's shared internal credential to ...

Security Bulletin: Authenticated denial of service in Consul Enterprise-to-Community Edition downgrade path

Summary Consul Community Edition and Consul Enterprise 1.18.0 through 2.0.2 are vulnerable to an authenticated denial of service in the Enterprise-to-Community Edition downgrade path that may allow an authorized caller to crash the Consul server. A caller with config-entry write permission can...