What Standard Evaluations Hide about Detectors of Hijacked LLM Agents: Rare Attacks, Unseen Tools and Benchmark Transfer

Detectors can flag hijacked large language model LLM agents from the traces of the tools they call. In the eleven evaluations we audited, attacks or anomalies make up 16% to 86% of the test samples, no evaluation varies that share, and six report no test on data from a second benchmark or source...

A week in security (October 12 – October 18)

Last week on Malwarebytes Labs: Eiliko robot companion exposes private chats and can be hijacked “Spray and pray” job applications could make it harder for you to spot a scam OpenAI sued over children safety and data use Update Chrome: Google fixes 37 security flaws, including seven critical bugs...

Use of Single-factor Authentication

Overview thorsten/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Use of Single-factor Authentication via UserController::updateData api/user/data/update, which does not require the current password when changing an...

Dread Dark Web Forum Hijacked, Operators Claim Control of Domain Keys (Updated)

Dread dark web forum appears hijacked after a pinned post claimed control of the project and domain keys, while denying plans to leak user data...

CVE-2026-104469

YesWiki before 4.6.7 contains a session fixation vulnerability that allows attackers to hijack authenticated sessions because login does not regenerate the PHP session ID. Attackers who set or learn a victim's pre-authentication YesWiki- session cookie can reuse it after login to access private...

CVE-2026-104469

YesWiki before 4.6.7 contains a session fixation vulnerability that allows attackers to hijack authenticated sessions because login does not regenerate the PHP session ID. Attackers who set or learn a victim's pre-authentication YesWiki- session cookie can reuse it after login to access private...

PT-2026-104279

YesWiki before 4.6.7 contains a session fixation vulnerability that allows attackers to hijack authenticated sessions because login does not regenerate the PHP session ID. Attackers who set or learn a victim's pre-authentication YesWiki- session cookie can reuse it after login to access private...

CVE-2026-104058 Podgrab Missing Authentication on WebSocket /ws Endpoint

Podgrab contains a missing authentication vulnerability in which the /ws WebSocket route is registered on the root gin engine instead of the BasicAuth-protected router group, allowing unauthenticated network clients to connect even when PASSWORD is configured. Attackers can join the allConnection...

CVE-2026-50986

PrestaShop module, totadministrativemandate 1.8.1 is vulnerable to Cross Site Request Forgery CSRF. The payment validation controller has no CSRF token. An attacker can confirm an order in an awaiting status by hijacking a link...

CVE-2026-50986

PrestaShop module, totadministrativemandate 1.8.1 is vulnerable to Cross Site Request Forgery CSRF. The payment validation controller has no CSRF token. An attacker can confirm an order in an awaiting status by hijacking a link...

PhantomEnigma Infects Organizations with Malware via Hijacked Government Websites

PhantomEnigma abuses Brazilian government websites and trusted email channels to spread malware, target banks, evade security checks, and maintain access...

Malicious code in @vite-tab/tab (npm)

Source: amazon-inspector 95af865d1cf7d45f2b4c2a73eebcfcd1a1a6aba9a36f33bf8256ef4d7235903c @vite-tab/tab republishes Vite's codebase under a different name while impersonating the upstream project: package.json declares bin: vite: 'bin/vite.js' hijacking the vite command on $PATH, author: 'Evan...

Trusted Credentials, Untrusted Behavior: Benchmarking LLM-Agent Security in High-Performance Computing

Large language model LLM agents are starting to take on routine work in high-performance computing HPC, including monitoring Slurm jobs, diagnosing failed builds, inspecting simulation output, and coordinating scientific workflows. To do this work, an agent commonly acts under its user's...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code. An attacker using the npm account ehindero hijacked the @mastra npm organization and, in a roughly 30–45 minute burst starting around 01:12 UTC, republished the entire @mastra catalog. The Mastra source code was...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code. An attacker using the npm account ehindero hijacked the @mastra npm organization and, in a roughly 30–45 minute burst starting around 01:12 UTC, republished the entire @mastra catalog. The Mastra source code was...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code. An attacker using the npm account ehindero hijacked the @mastra npm organization and, in a roughly 30–45 minute burst starting around 01:12 UTC, republished the entire @mastra catalog. The Mastra source code was...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code. An attacker using the npm account ehindero hijacked the @mastra npm organization and, in a roughly 30–45 minute burst starting around 01:12 UTC, republished the entire @mastra catalog. The Mastra source code was...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code. An attacker using the npm account ehindero hijacked the @mastra npm organization and, in a roughly 30–45 minute burst starting around 01:12 UTC, republished the entire @mastra catalog. The Mastra source code was...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code. An attacker using the npm account ehindero hijacked the @mastra npm organization and, in a roughly 30–45 minute burst starting around 01:12 UTC, republished the entire @mastra catalog. The Mastra source code was...

Embedded Malicious Code

Overview Affected versions of this package are vulnerable to Embedded Malicious Code. An attacker using the npm account ehindero hijacked the @mastra npm organization and, in a roughly 30–45 minute burst starting around 01:12 UTC, republished the entire @mastra catalog. The Mastra source code was...