Post_Exploitation_Privilege_Escalation

⬆️ Week 05 — Post-Exploitation & Privilege Escalation Inter...

CVE-2026-41236: Improper Link Resolution Before File Access

Froxlor is open source server administration software. Version 2.3.6 contains a symlink-following flaw in the root-owned SSH key synchronization path used for customer FTP users. The provisioning code appends public keys to /.ssh/authorizedkeys under a customer-controlled home directory without...

CVE-2026-45132

CVE-2026-45132 concerns CloudPirates Open Source Helm Charts. Prior to commit fcf9302, a GitHub Actions workflow (generate-schema.yaml) exposed sensitive credentials—Personal Access Token and an SSH signing key —to fork-controlled code due to unsafe checkout and credential handling practices. The...

CVE-2026-45132 CloudPirates Open Source Helm Charts: GitHub Actions workflow leaks PAT and SSH signing key via unsafe credential handling

CloudPirates Open Source Helm Charts is a collection of Helm charts. Prior to commit fcf9302, a GitHub Actions workflow generate-schema.yaml exposes sensitive credentials Personal Access Token and SSH signing key to fork-controlled code due to unsafe checkout and credential handling practices. Th...

GHSA-MQ5V-PXPM-8JW2 Froxlor has privilege escalation in SSH key synchronization via symlinked `authorized_keys` path

Summary Froxlor 2.3.6 contains a symlink-following flaw in the root-owned SSH key synchronization path used for customer FTP users. The provisioning code appends public keys to /.ssh/authorizedkeys under a customer-controlled home directory without verifying that the target path is not a symbolic...

libssh: Incorrect Return Code Handling in ssh_kdf() in libssh

A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the sshkdf function responsible for key derivation. Due to inconsistent interpretation of return values where OpenSSL uses 0 to indicate failure and libssh uses 0 for success—the function may mistakenl...

CVE-2026-45361 Apache Airflow Google provider: SSH host key verification disabled in ComputeEngineSSHHook (paramiko AutoAddPolicy default)

Apache Airflow providers-google's ComputeEngineSSHHook disables SSH host-key verification by default, exposing SSH traffic between an Airflow worker and a Compute Engine VM to in-path network attackers who can intercept or modify the session. Users are advised to upgrade to...

PT-2026-43023

Name of the Vulnerable Software and Affected Versions apache-airflow-providers-google versions prior to 22.0.0 Description The ComputeEngineSSHHook disables SSH host-key verification by default. This configuration exposes SSH traffic between an Airflow worker and a Compute Engine VM to in-path...

AZL-88329 CVE-2026-39832 affecting package telegraf for versions less than 1.31.0-22

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

AZL-87717 CVE-2026-39832 affecting package docker-compose for versions less than 2.27.0-11

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

AZL-88206 CVE-2026-39832 affecting package packer for versions less than 1.9.5-15

When adding a key to a remote agent constraint extensions such as [email protected] were not serialized in the request. Destination restrictions were silently stripped when forwarding keys, allowing unrestricted use of the key on the remote host. The client now serializes all...

Malicious code in pino-formatter (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e6318f85af0cd86060232fbc606115e300e1022220ffda545f9e6c6157ef6f55 Package masquerades as a pino-pretty-style logger but performs multiple installer-harming actions when required. On import, dist/logger.js: 1 on Linu...

GHSA-6X44-W3XG-HQQF Coder: PKCS#7 signature bypass in Azure instance identity allows unauthenticated agent token theft

Summary azureidentity.Validate verifies that the PKCS7 signer certificate chains to a trusted Azure CA but never verifies the PKCS7 signature itself. An attacker can embed a legitimate Azure certificate alongside arbitrary content e.g. "vmId":"" and the forged vmId will be accepted returning the...

Exploit for Improper Authentication in Cisco Catalyst_Sd-Wan_Manager

CVE-2026-20182 Cisco Catalyst SD-WAN Controller / Manager Aut...

EUVD-2026-30048

The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. From 1.2581.0 to before 1.4304.0, Claude Desktop's SSH remote development feature verified only whether a hostname existed in /.ssh/knownhosts without comparing the server's...

cPanel CVE-2026-41940 Under Active Exploitation to Deploy Filemanager Backdoor

A threat actor named MrRot13 has been attributed to the exploitation of a recently disclosed critical cPanel flaw to deploy a backdoor codenamed Filemanager on compromised environments. The attack exploits CVE-2026-41940, a vulnerability impacting cPanel and WebHost Manager WHM that could result ...

Pi-hole 安全漏洞

Pi-hole is a web-level advertising blocking application developed by Pi-hole Inc. Versions of Pi-hole from 6.0 to 6.4.2, as well as FTL 6.6.1, contained security vulnerabilities. These vulnerabilities stemmed from shell scripts that failed to validate the files.pid path read from configuration...

Malicious code in python-bittensor-config-v2 (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 6f2ecdbc9e024d6dc51c8e5d48941c5aac432db65ad733317aed159d480973cd During installation or import, package silently adds a new authorized SSH key. It's closely related to the 2026-05-ninja-core-utils campaign, but there is no...

Cisco Catalyst SD-WAN Controller vHub Authentication Bypass

This module exploits an authentication bypass vulnerability CVE-2026-20182 in the Cisco Catalyst SD-WAN Controller. The vdaemon DTLS control-plane service performs no certificate or credential verification for connecting peers that claim to be a vHub device type 2. The vbondprocchallengeack...

JLSEC-2026-407

A use after free vulnerability exists in curl v8.1.0 in the way libcurl offers a feature to verify an SSH server's public key using a SHA 256 hash. When this check fails, libcurl would free the memory for the fingerprint before it returns an error message containing the now freed hash. This flaw...