How a Webmail Log File Became a Root-Level Backdoor

THREAT ANALYSIS May 2026 · Forensic Case Study A forensic breakdown of how an attacker turned CyberPanel's SnappyMail logging into a persistent webshell that survived every WordPress cleanup attempt. A WordPress site owner reported redirect malware on their site. They found that clicking anywhere...

Malicious code in @limebike/supreme-date-pickers (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6c82e94fac384ea6891e5aea99635ab429663e321502acbbc9eaaf81864e0d5e On npm install, both preinstall and postinstall hooks execute index.js, which collects the installer's hostname, all non-internal network interface I...

Malicious code in lynx-keeper (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector dc28f02ae68bf5a1a57af8662180d7a8a040e6f32ad87abde9acdae508070189 On require, dist/index.js executes a hex-obfuscated harvester that reads /.aws/credentials, /.aws/config, /.ssh/idrsa, /.ssh/ided25519, /.ssh/config,...

MAL-2026-4603 Malicious code in lynx-keeper (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector dc28f02ae68bf5a1a57af8662180d7a8a040e6f32ad87abde9acdae508070189 On require, dist/index.js executes a hex-obfuscated harvester that reads /.aws/credentials, /.aws/config, /.ssh/idrsa, /.ssh/ided25519, /.ssh/config,...

Malicious code in openclaw-agent (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 b89b6a94f589218276e6dabe5accf4a6d6a9b22cd7412cce0a58069bccd76bbb The package is intended to create a backdoor and steal sensitive data, but the analyzed code did not finally exfiltrate the content of sensitive files. ---...

MAL-2026-4183 Malicious code in openclaw-agent (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 b89b6a94f589218276e6dabe5accf4a6d6a9b22cd7412cce0a58069bccd76bbb The package is intended to create a backdoor and steal sensitive data, but the analyzed code did not finally exfiltrate the content of sensitive files. ---...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed the issue of tagging the “gcing” flag on the page during block migration. It is necessary to add the missing “gcing” flag on the page during block migration, in order to ensure that the migrated data is persisted duri...

CVE-2026-34246

CtrlPanel CVE-2026-34246 affects versions 1.1.1 and earlier. The vulnerability is a Stored XSS in the admin role management interface where datatable() inserts $role->name and $role->color directly into HTML and a .rawColumns(['actions','name']) setting disables automatic escaping. An admin...

CVE-2026-34246

CtrlPanel is open-source billing software for hosting providers. Versions 1.1.1 and prior contain a Stored Cross-Site Scripting XSS vulnerability exists in the admin role management interface. In app/Http/Controllers/Admin/RoleController.php, the datatable method interpolates $role-name and...

GHSA-6XWP-CP5H-Q856 Malicious code in @beproduct/nestjs-auth (0.1.2 through 0.1.19) — Mini Shai-Hulud worm

Summary Between 2026-05-11 20:19 UTC and 22:56 UTC, an attacker used a compromised npm publish token to publish 18 malicious versions of @beproduct/nestjs-auth 0.1.2 through 0.1.19. The packages contained payloads from the Mini Shai-Hulud npm supply-chain worm campaign described by Aikido Securit...

Malicious code in @beproduct/nestjs-auth (0.1.2 through 0.1.19) — Mini Shai-Hulud worm

Summary Between 2026-05-11 20:19 UTC and 22:56 UTC, an attacker used a compromised npm publish token to publish 18 malicious versions of @beproduct/nestjs-auth 0.1.2 through 0.1.19. The packages contained payloads from the Mini Shai-Hulud npm supply-chain worm campaign described by Aikido Securit...

Malicious code in clearml-truen-patch (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 868fbff2db730a4a67f808b6c9bd35aa78392be592adb2d66d6be659772610f6 This package is published as clearml-truen-patch but its PKG-INFO/setup.py declare Author=ClearML, [email protected], and...

MAL-2026-4745 Malicious code in clearml-truen-patch (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 868fbff2db730a4a67f808b6c9bd35aa78392be592adb2d66d6be659772610f6 This package is published as clearml-truen-patch but its PKG-INFO/setup.py declare Author=ClearML, [email protected], and...

Malicious code in durabletask (PyPI)

1.4.1, 1.4.2, and 1.4.3 of durabletask were compromised via a PyPI maintainer account takeover. All three malicious versions were published on 2026-05-19 within a 35-minute window 16:19–16:54 UTC. Pin to =1.4.0. Attack chain - Stage 1 — Import-time dropper: on import, the package fetches a...

MAL-2026-4174 Malicious code in durabletask (PyPI)

1.4.1, 1.4.2, and 1.4.3 of durabletask were compromised via a PyPI maintainer account takeover. All three malicious versions were published on 2026-05-19 within a 35-minute window 16:19–16:54 UTC. Pin to =1.4.0. Attack chain - Stage 1 — Import-time dropper: on import, the package fetches a...

Budibase: Missing Cache Invalidation on Public API Role Unassignment Allows Revoked Users to Retain Privileges for Up to 1 Hour

Summary The public API role unassignment endpoint POST /api/public/v1/roles/unassign updates user documents in CouchDB but does not invalidate the corresponding Redis user cache entries. Because the authentication middleware resolves user identity and permissions from this cache TTL: 3600 seconds...

Mailpit: Unauthenticated remote memory-exhaustion DoS via unlimited SMTP DATA and /api/v1/send body sizes

Summary The Mailpit SMTP server has a Server.MaxSize int field that controls the maximum allowed DATA payload size, but the field is never assigned anywhere outside test code, leaving it at Go's zero value 0 ⇒ "no limit". The same applies to the HTTP /api/v1/send endpoint, whose request body is...

From PDB strings to MaaS: Tracking a commodity BadIIS ecosystem used by Chinese-speaking threat

Cisco Talos has uncovered a BadIIS variant -- identifiable by its embedded "demo.pdb" strings -- that functions as commodity malware. This variant is likely sold or shared among multiple Chinese-speaking cybercrime groups that operate under a malware-as-a-service MaaS model for continuous...

EternalBlue

EternalBlue MS17-010 Exploitation Lab A professional, end-t...

CVE-2026-44553

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, administrative role changes and user deletions do not iterate SESSIONPOOL to disconnect affected sessions. As a result, a user whose admin role has been revoked retains admin...