Threat Intelligence

Unpatched Magento and Adobe Commerce Zero-Day Exploited to Backdoor Online Stores

Advisoryloom Editor — Sat, 05 Sep 2026 20:54:18 +0000

Attackers are exploiting a new unpatched vulnerability in Magento Open Source and Adobe Commerce that lets them run malicious code on an online store’s server without logging in, Dutch e-commerce security company Sansec said in an advisory published on September 5.

Sansec, which discovered the flaw and named it StyleSmuggler, said attacks started on September 4. “Sansec is publishing early

Attackers Breached JetBrains Cadence via Unpatched TeamCity, Extracting AWS Credentials

Advisoryloom Editor — Sat, 05 Sep 2026 17:47:06 +0000

JetBrains is urging Cadence users to revoke and rotate all credentials following a security incident last month in which unidentified threat actors exploited a recently disclosed critical vulnerability in TeamCity to breach its own environment.

“Cadence users should immediately revoke or rotate all credentials and secrets that may have been used to run their Cadence executions,” JetBrains said.

Critical VMware Workstation and Fusion Flaw Lets VM Admins Execute Host Code

Advisoryloom Editor — Sat, 05 Sep 2026 17:47:04 +0000

Broadcom has released security updates for two security flaws impacting VMware Workstation and Fusion, including one critical bug that could result in arbitrary code execution under certain conditions.

The vulnerability, tracked as CVE-2026-59346 (CVSS score: 9.3), is an integer-overflow vulnerability that a local attacker with elevated privileges can exploit to run arbitrary code.

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Trezor Says ShipMonk Breach Exposed 67,000 U.S. Customers’ Data It Said Was Deleted

Advisoryloom Editor — Sat, 05 Sep 2026 15:35:19 +0000

Hardware wallet manufacturer Trezor on Friday disclosed that another 67,000 customers from the U.S. have been impacted in a breach at its shipping provider ShipMonk.

The exposed information includes customer names, email addresses, phone numbers, shipping addresses, and order numbers between November 2019 and August 2021. The breach does not affect the security of the company’s hardware wallets

OpenAI Agents Hacked Another Website

Advisoryloom Editor — Sat, 05 Sep 2026 12:07:22 +0000

Plus: Tens of millions of US and Canadian drivers’ licenses go up for sale on the dark web, the US military finally tries to tackle the risk online ad data poses to troops, and more.

Thousands of OpenAI Agents Quietly Turned an Abandoned Wiki Into Their Coordination Channel

Advisoryloom Editor — Sat, 05 Sep 2026 10:04:06 +0000

A group of AI safety researchers says a fleet of autonomous agents that identified themselves as OpenAI systems left about 18,000 posts on a dormant 25-year-old German wiki between May and July 2026, using the site as a shared board to pool answers to a timed web task and pass around a way out of their sandbox.

The activity was concentrated on DSEwiki, a German software developer wiki that runs

Attackers Exploit PaperCut Flaws to Steal Credentials From Schools and Universities

Advisoryloom Editor — Sat, 05 Sep 2026 08:16:18 +0000

Threat actors are exploiting the newly disclosed PaperCut flaws to facilitate credential theft in attacks targeting the education sector in the U.S. and Europe.

The Arctic Wolf Adversary Research Team said it observed attackers exploiting CVE-2026-81578 and CVE-2026-82078 – an authentication bypass and remote code execution chain – to conduct command execution and reconnaissance, as well as

Friday Squid Blogging: Squid on a Stick at the New York State Fair

Advisoryloom Editor — Fri, 04 Sep 2026 21:58:31 +0000

Looks tasty.

As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered.

Blog moderation policy.

Using a VM to Contain an AI Agent

Advisoryloom Editor — Fri, 04 Sep 2026 16:48:59 +0000

It won’t work:

My suspicion was that GPT 5.6-Cyber would succeed, but the frequency and manner of its success removed all doubt. We have to reassess sandboxing quality for capable AI agents, and in general the software stack with which they interact.

An off-the-shelf VM is not enough to contain a modern, cyber-capable AI agent. There is simply too much attack surface. Even innocuous features (like running with a display) add extra, exploitable attack surface.

UK account-hack losses surge as new reporting system exposes hidden cases

Advisoryloom Editor — Fri, 04 Sep 2026 16:06:27 +0000

In its first annual assessment, published Friday, the City of London Police said victims reported losing £6.3 million ($8.5 million) to account hacks in the year ending March 31, up from £1.2 million ($1.6 million) a year earlier.