PT-2026-33383

Name of the Vulnerable Software and Affected Versions Lego versions prior to 4.34.0 Description The webroot HTTP-01 challenge provider in Lego is subject to arbitrary file write and deletion via path traversal. A malicious ACME server can provide a crafted challenge token containing ../ sequences...

EUVD-2026-23100

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

GHSA-497X-RRR9-68JP Grafana Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

Grafana Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the namespace parameter in the Ruler API endpoint after double URL encoding. An attacker can access arbitrary files by sending specially crafted requests. Details A Directory Traversal attack also known as path...

NGINX: NGINX Plus: NGINX Open Source: NGINX Plus and NGINX Open Source: Request manipulation via header injection in SMTP upstream requests

A flaw was found in NGINX Plus and NGINX Open Source, specifically within the ngxmailsmtpmodule. This vulnerability allows an attacker-controlled DNS Domain Name System server to inject arbitrary headers into SMTP Simple Mail Transfer Protocol upstream requests. This is due to the improper handli...

Exploit for CVE-2026-35031

CVE-2026-35031: Jellyfin Subtitle Upload Path Traversal to RCE...

CVE-2026-21726

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

Security Bulletin: IBM® Db2® is affected by a vulnerability in netty-codec-http-4.1.127 (CVE-2025-67735)

Summary IBM® Db2® is affected by a vulnerability in netty-codec-http-4.1.127 CVE-2025-67735 Vulnerability Details CVEID:CVE-2025-67735 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.129.Final and 4.2.8.Final, the...

CVE-2026-21726

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726

CVE-2026-21726 is a Grafana Loki path traversal vulnerability related to namespace parameter handling. The literature links it to the historic CVE-2021-36156 bypass in Loki’s path traversal, potentially allowing an attacker to read files via the Ruler API endpoint /loki/api/v1/rules/{namespace} a...

CVE-2026-21726

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-26149

Improper neutralization of escape, meta, or control sequences in Microsoft Power Apps allows an authorized attacker to perform spoofing over a network...

org.apache.tomcat/tomcat-juli: tomcat: Apache Tomcat: console manipulation

An improper input neutralization flaw has been discovered in Apache Tomcat. Tomcat did not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows operating system, and the console supported ANSI escape sequences, it was possible for an attacker to use a...

Threat landscape for industrial automation systems in Q4 2025

Statistics across all threats The percentage of ICS computers on which malicious objects were blocked has been decreasing since the beginning of 2024. In Q4 2025, it was 19.7%. Over the past three years, the percentage has decreased by 1.36 times, and by 1.25 times since Q4 2023. Percentage of IC...

Deterministic + Agentic AI: The Architecture Exposure Validation Requires

Few technologies have moved from experimentation to boardroom mandate as quickly as AI. Across industries, leadership teams have embraced its broader potential, and boards, investors, and executives are already pushing organizations to adopt it across operational and security functions. Pentera’s...

Security Bulletin:Vulnerabilities in Netty affects IBM Netezza Appliance

Summary The Netty package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVEs CVE-2025-58056, CVE-2025-67735 Vulnerability Details CVEID:CVE-2025-58056 DESCRIPTION: Netty is an asynchronous event-driven network application framework for development of...