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AI agents are moving into production faster than security teams can govern them. They are connecting to apps, handling data, calling APIs, and acting across business systems—often without the same controls applied to human users. According to Okta’s Global CISO Insights 2026 report, only 47% of CISOs are confident they can identify every AI agent in their environment. Even among those who feel

Cybersecurity researchers have disclosed details of a new botnet malware called Carbonato that's targeting exposed Docker daemons to deploy an open-source artificial intelligence (AI) agent framework called Hermes Agent. "The implant installs the framework unchanged, then overwrites its SOUL.md persona file," ThreatDown said. "The 39-line prompt directs it to execute tasks received through

Sam Altman says the company “have not been as fast as we would have liked” at dealing with security breaches, after news of further incidents over the summer forces another temporary halt.

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The threat actor known as JADEPUFFER has been observed orchestrating destructive actions within a Microsoft Azure environment using compromised service principals. Microsoft, which is tracking the activity under the name Storm-3168, has called it an evolution of the threat actor's tradecraft. The attack took place in early June 2026 over a period of about 18 hours. "The destructive operations

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How's that view?! With NDC Oslo now done, it's a little bit of sightseeing before heading to Denmark for GOTO in Copenhagen for Scott's and my "Cyber-broken" talk. In the meantime, this week is mostly about the ShinyHunters trajectory targeting both Cl0p and the FBI, which does feel a little like a crescendo in their activities. Time will tell, but poking the feds in this way doesn't seem great for your longevity.

In my disorganised travel state, I also forgot to touch on a brand new sponsor for this week and the weeks to come: Origin. They build tooling to monitor what your AI agents are doing, which is obviously pretty timely given the current climate. They're running a free CISO briefing on 1 Oct, so go check that out if you think maybe your agents might need some oversight.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Sunday added two critical Citrix NetScaler ADC and Gateway flaws to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. The vulnerabilities are listed below - CVE-2026-88771 (CVSS score: 9.5) - An improper input validation vulnerability that could allow an unauthenticated attacker to

Death and taxes are said to be the only certainties in life. Perhaps it’s time to add attackers targeting newly discovered critical flaws in Citrix’s NetScaler application delivery controller and gateway products to that grim list. On Sunday, the company published a bulletin warning of eight CVEs, the worst of which – CVE-2026-88771 and CVE-2026-88772 – are rated critical with 9.5 CVSS scores. CVE-2026-88771 allows remote code execution and can allow an unauthenticated attacker to execute arbitrary commands. CVE-2026-88772 is a memory overflow vulnerability that can lead to remote code execution or denial of service. A Reddit thread contains an allegation that at least one Citrix channel partner knew of these flaws on Saturday and urged users to take their NetScalers offline - a day before Citrix's disclosure. Citrix has observed that both vulnerabilities are already under attack. That sad fact saw the United States’ Cybersecurity and Infrastructure Security Agency on Sunday issue an alert because it too “has received reports and partner threat intelligence confirming that threat actors are actively exploiting these vulnerabilities globally.” “Because updating Citrix NetScaler appliances can be complex and may require downtime, CISA is issuing this Alert to help organizations assess exposure, prioritize mitigation, and account for these vulnerabilities into their risk-management activities,” the alert adds. Those risk management efforts will also have to consider a third critical vulnerability, the 9.3-rated CVE-2026-88773, allows HTTP request smuggling – an attack technique that can bypass security controls installed on front-end servers. Three of the bugs are 8.8-rated memory overflow bugs that can make NetScaler appliances unstable. Another 8.8-rated bug relates to TCP Initial Sequence Number prediction, and there’s also a 7.0-rated feature policy bypass due to improper HTTP URL-based expression usage. Citrix’s post explains how to detect if your NetScaler needs a fix, and which patches to apply. Thankfully, the company has already created OS refreshes that contain the fixes. NetScaler is notoriously buggy. In March 2026, Citrix revealed critical vulns that were quickly attacked. The same thing happened in 2025, twice, and also in 2023. Flaws in NetScaler appeared in the annual most-exploited bugs list published by the cybersecurity agencies of the Five Eyes alliance from 2020 to 2023. Despite NetScaler’s long history of holes, some users choose not to patch the product. That’s fair enough, given that it’s not always easy to find a change window in which to install a patch. But it’s hard to explain given NetScaler is nearly always under attack, and security vendors’ increasing efforts to create compensating controls that make it possible to use flawed devices safely without patches. ®

The AI safety debate advanced at high speed over the weekend, amid new allegations that rogue agents have behaved more badly than first thought – and in greater numbers. The fun started on Friday when OpenAI quietly disclosed it had paused training of its most advanced models. The AI upstart buried that news in a “misalignment report” – that’s OpenAI-speak for its reports on rogue agents – titled “An agent used DNS to reach an external chatbot.” The good news is that the agent involved in this incident never reached the open internet. The bad news is that the agent, which was attempting to complete a search-based training task, was able to reach the chatbot due to insufficient DNS filtering in a training sandbox. Or as OpenAI put it, “a gap in our internet-access restrictions” – which was also a problem in the Hugging Face attack. “The incident exposed a gap in our controls over network restrictions,” the report reads. “We therefore stopped the affected training run and have subsequently decided to pause all other training, evaluation, and inference with tool-use (defined broadly) for our most capable models until we have both validated that the gap is resolved and performed additional red-teaming of the system.” Also on Friday, AI startup Parse published an analysis of the Hugging Face attack that the authors claim revealed new details including that OpenAI’s agent swarm gained credentials to Docker Hub and built modified versions of existing images they hoped would make it easier to complete their capture the flag mission. The agents also mapped Hugging Face’s Kubernetes environment. Friday got worse for OpenAI after the New York Times reported that its agents also “meddled with the websites for the Education Department, the Commerce Department and the Securities and Exchange Commission.” OpenAI acknowledged the incidents. The company also admitted “agents in our research environment transmitted training and evaluation data while using third-party services.” That mess saw 53 user-generated images posted to image hosting sites. OpenAI CEO Sam Altman responded by admitting that his company’s investigations into rogue agents “have not been as fast as we would have liked but we are trying to balance our desire for transparency with gaining a clear understanding from petabytes of agent activity logs, and working with impacted organizations.” One of those impacted organizations is the Australian government, which last week revealed it was the target of over-eager OpenAI agents that inappropriately accessed a healthcare research data portal. Over the weekend, Australia indicated it wants Altman and Anthropic CEO Dario Amodei to appear before a Senate inquiry. Australian leaders have softened their rhetoric on the incident, with deputy prime minister Richard Marles describing it as “minor” and akin to “climbing a fence” rather than cracking layers of security controls – perhaps because members of the opposition are suggesting that lax cybersecurity was to blame. If Altman and Amodei do front Australia’s Senate, they may face a new line of questions after Axios reported that their companies are investigating “tens of thousands” of worrying incidents. That level of agentic misbehavior sounds like the sort of thing that regulators might consider strong evidence of products being unsafe. Two very important people – Chinese president Xi Jinping and US president Donald Trump – seem unworried, as the AI-related result of their summit meeting last week was to establish a “China-U.S. AI Dialogue to exchange views on risks and benefits related to AI” plus “a bilateral communication channel for AI incidents.” That sounds like a hotline the two nations can use to inform each other of agentic incidents that either could see as signs of ill-intent. The two nations also decided their respective militaries will “conclude a memorandum of understanding on crisis communication and prevention as soon as possible.” China’s AI giants, meanwhile, remain silent on the extent and results of any tests they have conducted with agentic tools. ®

Two critical vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway that allow remote code execution have been exploited in the wild, Citrix confirmed on September 27. It released fixes for both, along with six other flaws. One of the two affects every deployment on an affected version, including those in the default configuration. The bulletin came a day after security firm watchTowr

Posted by SEC Consult Vulnerability Lab via Fulldisclosure on Sep 26

SEC Consult Vulnerability Lab Security Advisory < 20260923-0 >
=======================================================================
title: Local Privilege Escalation
product: Honeywell IQ MultiAccess Update Service
 vulnerable version: IQ V27 & IQ V28
fixed version: IQ V27 SP1 & IQ V28 SP1
         CVE number: CVE-2026-13742
             impact: high
homepage:...

Posted by Matthias Deeg via Fulldisclosure on Sep 26

Advisory ID: SYSS-2026-071
Product: GDCM (Grassroots DICOM)
Manufacturer: GDCM Project
Affected Version(s): 3.3.0
Tested Version(s): 3.3.0
Vulnerability Type: Format String (CWE-134)
Risk Level: Medium
Solution Status: Open
Manufacturer Notification: 2026-07-24
Public Disclosure: 2026-09-23
CVE Reference: Not yet assigned
Author of...

Posted by Matthias Deeg via Fulldisclosure on Sep 26

Advisory ID: SYSS-2026-070
Product: GDCM (Grassroots DICOM)
Manufacturer: GDCM Project
Affected Version(s): 3.3.0
Tested Version(s): 3.3.0
Vulnerability Type: Integer Overflow (CWE-190)
Risk Level: High
Solution Status: Open
Manufacturer Notification: 2026-07-24
Public Disclosure: 2026-09-23
CVE Reference: Not yet assigned
Author of...

Posted by Matthias Deeg via Fulldisclosure on Sep 26

Advisory ID: SYSS-2026-069
Product: GDCM (Grassroots DICOM)
Manufacturer: GDCM Project
Affected Version(s): 3.3.0
Tested Version(s): 3.3.0
Vulnerability Type: Integer Overflow (CWE-190)
Risk Level: High
Solution Status: Open
Manufacturer Notification: 2026-07-24
Public Disclosure: 2026-09-23
CVE Reference: Not yet assigned
Author of...

Posted by Matthias Deeg via Fulldisclosure on Sep 26

Advisory ID: SYSS-2026-068
Product: GDCM (Grassroots DICOM)
Manufacturer: GDCM Project
Affected Version(s): 3.3.0
Tested Version(s): 3.3.0
Vulnerability Type: Stack-based Buffer Overflow (CWE-121)
Risk Level: High
Solution Status: Open
Manufacturer Notification: 2026-07-24
Public Disclosure: 2026-09-23
CVE Reference: Not yet assigned...

Posted by Matthias Deeg via Fulldisclosure on Sep 26

Advisory ID: SYSS-2026-067
Product: GDCM (Grassroots DICOM)
Manufacturer: GDCM Project
Affected Version(s): 3.3.0
Tested Version(s): 3.3.0
Vulnerability Type: Stack-based Buffer Overflow (CWE-121)
Risk Level: High
Solution Status: Open
Manufacturer Notification: 2026-07-24
Public Disclosure: 2026-09-23
CVE Reference: Not yet assigned...

Posted by Khashayar Fereidani on Sep 26

# harness Gitspace hardcoded password for every user account

**Author:** Khashayar Fereidani
**Disclosure Date:** 2026-09-24
**Advisory:** https://fereidani.com/harness-gitspace-hardcoded-password-for-every-user-account
**Contact:** https://fereidani.com/contact

## Description

Gitspaces are Harness's hosted development environments: a container with
the user's source tree, running an SSH server and an IDE, with its ports
published on...