CVE-2026-6669

Missing upper bound on the key derivation iteration count accepted during SCRAM authentication to a backend server in PgBouncer through 1.25.2 allows a malicious or compromised PostgreSQL backend to cause uncontrolled CPU consumption in PgBouncer. The resulting key derivation cannot be interrupte...

EUVD-2026-85364

Missing upper bound on the key derivation iteration count accepted during SCRAM authentication to a backend server in PgBouncer through 1.25.2 allows a malicious or compromised PostgreSQL backend to cause uncontrolled CPU consumption in PgBouncer. The resulting key derivation cannot be interrupte...

bouncer-overflow

PgBouncer Crash PoC This repository contains a local proof of concept for a PgBouncer crash caused by an integer overflow in vulnerable PgBouncer versions. The included Docker setup builds PgBouncer 1.25.1, starts a PostgreSQL backend, enables SCRAM-SHA-256 authentication, and runs poc.py against...

CVE-2026-93394

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by...

Linux Distros Unpatched Vulnerability : CVE-2026-93394

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a...

DEBIAN-CVE-2026-93394

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by...

CVE-2026-93394 libmongoc SCRAM client nonce-validation bypass

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by...

EUVD-2026-82438

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by...

Astra Linux – Vulnerability in dovecot

The attacker can use a specially crafted Base64 exchange between Dovecot and the client to forge SCRAM TLS channel bindings. This requires that the attacker be able to position themselves between Dovecot and the client connection. If successful, the attacker can eavesdrop on communications betwee...

CVE-2026-14672

An observable response discrepancy in PostgreSQL's SCRAM authentication permits user enumeration. Unauthenticated attackers can verify if a specific user exists by observing the authentication iteration count, provided the targeted user is configured with a non-default scramiterations value...

PostgreSQL 16.x < 16.15 / 17.x < 17.11 / 18.x < 18.6 SCRAM Observable Response Discrepancy

The version of PostgreSQL installed on the remote host is 16 prior to 16.15, 17 prior to 17.11, or 18 prior to 18.6. As such, it is potentially affected by an information disclosure vulnerability: - Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user ...

Security Bulletin: IBM Maximo Application Suite - Monitor Component uses kafka_python-2.3.0-py2.py3-none-any.wh which is vulnerable to multiple CVEs.

Summary IBM Maximo Application Suite - Monitor Component uses kafkapython-2.3.0-py2.py3-none-any.wh which is vulnerable to CVE-2026-10142, CVE-2026-10143. This bulletin contains information addressing the vulnerability. Vulnerability Details CVEID:CVE-2026-10142 DESCRIPTION: kafka-python prior to...

RLSA-2026:50778 Important: ruby security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command...

SUSE SLES15 Security Update : rmt-server (SUSE-SU-2026:3792-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3792-1 advisory. This update for rmt-server fixes the following issue: Update to version 3.1 bsc1274715. - CVE-2026-42256: net-imap: hostile server can perfo...

The vulnerability of the SCRAM authentication subsystem in the PostgreSQL database management system allows a hacker to disclose sensitive information that is protected by this system.

The vulnerability of the SCRAM authentication subsystem in the PostgreSQL database management system is related to inconsistencies in the responses to incoming requests. Exploiting this vulnerability can allow an attacker to disclose sensitive information...

BIT-POSTGRESQL-2026-14672 PostgreSQL observable response discrepancy with non-default scram_iterations provides user existence oracle

Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the probed user to have a non-default scramiterations count, because the authentication challenge for a...

SUSE CVE-2026-14672

Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the probed user to have a non-default scramiterations count, because the authentication challenge for a...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the authentication process. An attacker can determine whether a specific user exists by observing differences in the SCRAM authentication challenge when the targeted user has a non-default scramiterations value...

CVE-2026-14672

Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the probed user to have a non-default scramiterations count, because the authentication challenge for a...

AZL-95702 CVE-2026-14672 affecting package postgresql for versions less than 16.15-1

Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the probed user to have a non-default scramiterations count, because the authentication challenge for a...