RHEL 9 : postgresql:16 (RHSA-2026:26525)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26525 advisory. PostgreSQL is an advanced object-relational database management system DBMS. Security Fixes: postgresql: PostgreSQL: Operating system accou...

RHEL 10 : valkey (RHSA-2026:26540)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26540 advisory. Valkey is an advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists,...

A Layered Security Framework against Prompt Injection in RAG-Based Chatbots

Prompt injection is ranked as the most critical vulnerability in large language model LLM deployments by the OWASP Top 10 for LLM Applications, yet existing defenses operate at isolated pipeline stages and remain incomplete. Input filters cannot inspect retrieved documents, while output monitors...

CVE-2026-55225

PTSecurity notes that Strimzi 1.0.1 patch release fixes two CVEs: CVE-2026-55225 and CVE-2026-55226. The initial CVE-2026-55225 entry is reserved/no details, but the connected PT entries confirm a published patch release addressing these CVEs. No technical details (impact, affected components, ex...

RHEL 10 : thunderbird (RHSA-2026:26539)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26539 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript...

RHEL 8 : 389-ds:1.4 (RHSA-2026:26454)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26454 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

RHEL 9 : firefox (RHSA-2026:26493)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26493 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 10 : 389-ds-base (RHSA-2026:26457)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26457 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server...

RHEL 7 : 389-ds-base (RHSA-2026:26453)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26453 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

RHEL 9 : 389-ds-base (RHSA-2026:26464)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26464 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

RHEL 9 : kernel-rt (RHSA-2026:26462)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26462 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 9 : dracut (RHSA-2026:26533)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26533 advisory. The dracut packages contain an event-driven initial RAM file system initramfs generator infrastructure based on the udev device manager. The virtual...

RHEL 8 : 389-ds:1.4 (RHSA-2026:26463)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26463 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

RHEL 8 : redhat-ds:11 (RHSA-2026:26461)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26461 advisory. Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the Lightweight Directory Access Protocol LDAP...

CVE-2026-55226

PT Security reports that Strimzi 1.0.1 patch release fixes CVE-2026-55226 (and CVE-2026-55225). No technical details about the vulnerability are provided in the connected documents. Risk, affected components, and remediation specifics beyond the upgrade are not disclosed.

📄 NTLM Relay to Self (HTTP to LDAP) Post Exploitation

This Metasploit module performs an NTLM relay-to-self privilege escalation attack. It starts an HTTP-to-LDAP relay server on the compromised host, then triggers the WebClient service via an ETW event allowing a low-privilege user to start it, and coerces the local machine account to authenticate...

RHEL 9 : 389-ds-base (RHSA-2026:26452)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26452 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

RHEL 9 : 389-ds-base (RHSA-2026:26455)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26455 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

RHEL 9 : kernel (RHSA-2026:26515)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26515 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: use dstdevrcu in...

RHCOS 4 : OpenShift Container Platform 4.18.44 (RHSA-2026:25180)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25180 advisory. - net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 - crypto/x509: crypto/tls: golang: Go: Denial of Servi...