Cybersecurity News

Polymarket: a hijacked third-party monitoring script drained traders’ wallets, $3.9 million refunded

On 29 October 2026, a performance-monitoring script supplied by a service provider and loaded on polymarket.com was replaced with malicious code. It used the sessions of users who…

Supply chainJavaScriptWeb

Fake IT support on Teams, then domain certificates: Microsoft details two intrusions through AD CS

Microsoft has investigated two intrusions that began with attackers posing as IT support on Teams and went on to abuse Active Directory Certificate Services. In one case, certific…

WindowsMicrosoft 365

Northflank security incident: customers told to treat every stored secret as stolen after AI keys are abused

Cloud platform Northflank disclosed a security incident on 30 October and told all customers to assume their environment variables were decrypted. Users have since reported unauth…

CloudDatabases

GitLab CVE-2026-97229: now listed as exploited by CISA, and Alpine Linux shows that upgrading is not always enough

CISA has added CVE-2026-97229, a GitLab flaw rated CVSS 10.0, to its catalogue of exploited vulnerabilities. Alpine Linux reports an attempted attack on its own server, which rema…

GitLabRubyCI/CD

Arista VeloCloud Orchestrator: an exploited SQL injection turns a read-only account into an operator

Arista has fixed CVE-2026-114625, a SQL injection in the on-premises VeloCloud Orchestrator that lets a user with the lowest role take operator privileges over the SD-WAN manageme…

AristaVeloCloudSD-WAN

PHP2Shell: two critical PHP flaws allow unauthenticated remote code execution on web servers

On 21 October 2026, the PHP project shipped emergency releases 8.5.12, 8.4.27, 8.3.36 and 8.2.35 to fix CVE-2026-109618 and CVE-2026-109619, two memory flaws that let an unauthent…

PHPApacheNginx

BeyondTrust Remote Support: a zero-day exploited since August lets attackers take over the appliance without an account

BeyondTrust has fixed CVE-2026-102764, a critical flaw in Remote Support that lets an attacker with no account perform file operations on the appliance. According to Google and Ma…

BeyondTrustRemote accessLinux

US federal bankruptcy courts stop sending notices after a cyberattack at their contractor

The US judiciary says a cybersecurity incident at BAE Systems, which runs the Bankruptcy Noticing Center for the courts, has taken its websites offline and halted the production o…

Supply chainGovernment

Palo Alto PAN-OS: a management interface flaw gives root on firewalls, already exploited

Palo Alto Networks has fixed CVE-2026-0322, a flaw in the PAN-OS management interface that lets an authenticated administrator run code as root on PA-Series and VM-Series firewall…

Palo Alto NetworksFirewallPalo Alto

This week’s barometer: compliance, flaws and speed, sector by sector

This week our panel of 4,719 websites averages 73/100 on compliance, 70 on vulnerability and 66 on speed. Banking and tech lead; the public sector and non-profits trail. Here is w…

barometerfrancecompliance

Nextcloud: attackers plant web shells through Collabora’s Built-in CODE Server app, update or remove it now

A critical flaw in the optional Nextcloud app Collabora Online - Built-in CODE Server lets anyone run system commands on the server without logging in. It has been exploited since…

NextcloudLinuxPHP

Cisco Secure Email Gateway: a single booby-trapped email gives attackers root, flaw already exploited

Cisco has fixed CVE-2026-76519, a critical flaw in its Secure Email Gateway that lets anyone send an email with a crafted attachment to write files and run commands as root on the…

CiscoEmail security

Windows Shell: a zero-day that strips the internet warning from files, fixed in October’s Patch Tuesday

Among the more than 1,400 flaws fixed by Microsoft on 13 October, CVE-2026-96951 (CVSS 8.8) is already exploited: it lets a booby-trapped file escape the Mark of the Web protectio…

Windows

Ivanti Connect Secure: zero-day chain exploited for root access, one of three flaws still unpatched

Attackers chained three unknown flaws in Ivanti Connect Secure VPN appliances to run commands as root without logging in, then harvested Active Directory credentials. Ivanti fixed…

IvantiVPNActive Directory

Hundreds of French supermarkets hit as attackers hijack Danfoss refrigeration controllers

During the night of 11 to 12 October 2026, attackers took control of Danfoss refrigeration supervisors in French supermarkets and forced fridges and freezers to heat up. CERT-FR i…

DanfossOT

FBI and nine partner agencies expose the toolkit of China-linked Integrity Tech: old flaws, Exchange password spraying and SoftEther VPN backdoors

On 8 October 2026 the FBI, CISA, NSA and agencies from six other countries published a joint advisory on the hackers enabled by Integrity Technology Group, a Chinese company linke…

ExchangeMicrosoft 365Linux

Atlassian Data Center: critical flaw lets anyone read files on Jira, Confluence and Bitbucket servers

Atlassian disclosed on 5 October 2026 CVE-2026-21589 (CVSS 9.3), a path traversal flaw in eight self-hosted products, including Jira, Confluence and Bitbucket Data Center. No logi…

AtlassianJiraConfluence

FBI breach: attackers got in through a PeopleSoft patch a contractor never installed

The FBI says the theft of personal data on thousands of its staff happened because a contractor did not apply a security patch to a platform it managed. According to Reuters, that…

OraclePeopleSoft

France’s cybersecurity agency hit through Metabase: the “harmless” internal tools nobody watches

ANSSI, the French national cybersecurity agency, has confirmed that 118 accounts of its innovation lab were compromised through a critical zero-day in Metabase, a self-hosted dash…

Metabase

Microsoft Exchange: one stolen account is enough to read every mailbox — install the out-of-band fix

CVE-2026-96940 (CVSS 8.8) lets any authenticated user of an on-premises Exchange server read other people’s mail and attachments in the same organisation. Microsoft shipped an out…

ExchangeWindows

Apache HTTP Server 2.4.69: 20 security fixes, none critical — how to update calmly

Apache released httpd 2.4.69 on 1 October 2026 with 20 vulnerability fixes, rated low (15) or moderate (5). No emergency, but every Apache server should be updated in the next mai…

ApacheLinux

Tax data stolen from France’s DGFiP: what ANSSI’s incident report teaches every company

ANSSI has published its investigation into this summer’s data thefts at the French tax administration. Its conclusion: no sophisticated attack, but stolen passwords, missing multi…

Citrix NetScaler: two critical zero-days under mass exploitation — patch, then check for compromise

Two pre-authentication flaws in NetScaler ADC and Gateway (CVE-2026-88771 and CVE-2026-88772, CVSS 9.5) were exploited before any fix existed and are now used by many attacker gro…

CitrixVPN