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A critical security flaw impacting Rejetto HTTP File Server (HFS) is witnessing active exploitation attempts, according to VulnCheck. The vulnerability in question is CVE-2026-61500 (CVSS score: 9.3), a case of...

Citrix has released security updates for a high-severity security flaw in NetScaler ADC and Citrix NetScaler Gateway that has been exploited as part of targeted zero-day attacks. The vulnerability, tracked as...

Citrix has released emergency updates for a new NetScaler denial-of-service vulnerability tracked as CVE-2026-88779 that has been exploited in zero-day attacks, with researchers investigating whether it can also be...

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-88779 Citrix NetScaler Improper Restriction of Operations within the Bounds...

A suspected member of the ShinyHunters digital extortion group, who goes by the online alias "Rey," has been allegedly detained by authorities in Jordan, Reuters reported, citing three people familiar with the matter....

A new China-nexus cyber espionage group known as TA419 has been attributed to multiple credential phishing campaigns targeting artificial intelligence (AI) experts working for U.S. think tanks, universities, and legal...

The suspected China-linked threat actor known as Warlock is still continuing to weaponize Microsoft SharePoint vulnerabilities, likely both old and new, in attacks targeting organizations in Portuguese- and Spanish-...

A vulnerability in the API session-based authentication management of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user. This...

### Summary act_runner appends workflow-controlled `jobs..container.options` directly to the Docker HostConfig for the job container. When runner privileged mode is disabled, only `Privileged` is forced false. Host...

## Overview `probe-image-size` scans the SVG header with a searching regular expression, `/ ]*>/`. On input that contains many ` `, the engine restarts the `[^>]*` scan at every `<` position and runs to end of input...

# Security Advisory — SiYuan Agent Tools SSRF via DNS-Rebinding TOCTOU (Bypass of `CheckHostSSRF`) | Field | Value | |---|---| | **Disclosed by** | joysinleung (`[email protected]`) | | **Report date** |...

# Security Advisory — SiYuan MCP `asset.upload` Reads Arbitrary Absolute File Paths (Workspace Boundary Bypass) | Field | Value | |---|---| | **Disclosed by** | joysinleung (`[email protected]`) | | **Report...

### Impact Versions of `@fastify/busboy` from 1.0.0 and prior to 3.2.1 are vulnerable to a Denial of Service. The multipart header parser stores part-header names on a plain JavaScript object, so a part header named...

## Summary Using `Database#create_aggregate`, `#create_aggregate_handler`, or `Database#define_aggregator` to define an aggregate function that takes two or more arguments, and then evaluating it over TEXT or BLOB...

### Summary Multiple denial-of-service vulnerabilities have been discovered in HTTP/2 server implementations. All have been rated with a severity impact of...

### Summary The Headroom WebSocket server does not validate the `Origin` header of incoming client WebSocket requests before forwarding the request to the upstream server, allowing malicious WebSocket clients to...

Same CWE-862 family, found via an automated bulk sweep of every `/api/block/*` handler in `kernel/api/block.go` for the presence of any access-check reference (`IsReadOnlyRoleContext`, `checkBlockPublishAccess`,...

The offensive cyber operations startup looks to evolve red teaming beyond traditional methods to simulate attackers' increasingly advanced capabilities.

Frontline Education is notifying school districts of a data breach after attackers exploited a vulnerability in third-party software to gain unauthorized access to its systems and steal employee information, including...

The China-linked ransomware group Warlock targeted a water utility, a telecom provider, a regional government body, and a university by exploiting SharePoint vulnerabilities to gain initial access. [...]

One company told customers to power down its data-protection platform during a nine-hour window, while the other remained mum on reported attacks prior to releasing a patch for its product.

Fortinet har publicerat information om en kritisk sårbarhet i FortiMail. Sårbarheten, CVE-2026-104286, har fått en CVSS-klassning på 9.8 och påverkar FortiMail managements gränssnitt. Ett framgångsrikt utnyttjande kan...

Oktober är cybersäkerhetsmånaden och vi vill passa på att slå ett slag för de kunskapshöjande aktiviteter som erbjuds genom NCSC:s och polisens cybersäkerhetskampanj “Tänk Säkert”.

Den 16 september publicerade Cisco säkerhetsuppdateringar för flera sårbarheter, där några av dessa utnyttjas aktivt enligt Cisco. [1, 2] Ett exempel är CVE-2026-76460, en sårbarhet i ett API för Cisco Identity...

Researchers uncover a watering hole attack likely carried out by APT TA423, which attempts to plant the ScanBox JavaScript-based reconnaissance tool.

Lockbit is by far this summer’s most prolific ransomware group, trailed by two offshoots of the Conti group.

CISA is warning that Palo Alto Networks’ PAN-OS is under active attack and needs to be patched ASAP.