From edge appliance to enterprise compromise: Multi-stage Linux intrusion via F5 and Confluence

In this article 1. Attack chain overview 1. Initial access: Exploiting edge appliances 2. Discovery and reconnaissance 3. Lateral movement and identity compromise 2. Mitigation and protection guidance 1. Microsoft Defender XDR detections 2. Advanced hunting 3. Indicators of compromise IOC 4. MITR...

From edge appliance to enterprise compromise: Multi-stage Linux intrusion via F5 and Confluence

In this article 1. Attack chain overview 1. Initial access: Exploiting edge appliances 2. Discovery and reconnaissance 3. Lateral movement and identity compromise 2. Mitigation and protection guidance 1. Microsoft Defender XDR detections 2. Advanced hunting 3. Indicators of compromise IOC 4. MITR...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: arm-trusted-firmware (UTSA-2026-016603)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016603 advisory. Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of getext and authnvctr...

Access of Resource Using Incompatible Type ('Type Confusion')

Overview Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type 'Type Confusion' via improper handling of numeric User directives in container configuration. An attacker can gain elevated privileges by supplying a crafted image with an /etc/passwd file that...

Rust OneNote File Parser: Path traversal in `Parser::parse_notebook` allows reading files outside the notebook directory

Impact A maliciously crafted .onetoc2 table-of-contents file can cause Parser::parsenotebook to open arbitrary files on the host filesystem outside the notebook's directory. The parser reads entry names listed inside the .onetoc2 and joins them against the notebook's base directory without...

CVE-2025-13479

Authorization bypass through User-Controlled key vulnerability in PosCube Hardware Software and Consulting Ltd. QR Menu allows Exploitation of Trusted Identifiers. This issue affects QR Menu: through 21052026. NOTE: The vendor was contacted early about this disclosure but did not respond in any w...

EUVD-2025-209908

Authorization bypass through User-Controlled key vulnerability in PosCube Hardware Software and Consulting Ltd. QR Menu allows Exploitation of Trusted Identifiers. This issue affects QR Menu: through 21052026. NOTE: The vendor was contacted early about this disclosure but did not respond in any w...

CVE-2025-13479 IDOR in PosCube's QR Menu

Authorization bypass through User-Controlled key vulnerability in PosCube Hardware Software and Consulting Ltd. QR Menu allows Exploitation of Trusted Identifiers. This issue affects QR Menu: through 21052026. NOTE: The vendor was contacted early about this disclosure but did not respond in any w...

CVE-2025-13479

Authorization bypass through User-Controlled key vulnerability in PosCube Hardware Software and Consulting Ltd. QR Menu allows Exploitation of Trusted Identifiers. This issue affects QR Menu: through 21052026. NOTE: The vendor was contacted early about this disclosure but did not respond in any w...

ThreatsDay Bulletin: Linux Rootkits, Router 0-Day, AI Intrusions, Scam Kits and 25 New Stories

This week starts small. A token leaks. A bad package slips in. A login trick works. An old tool shows up again. At first, it feels like the usual mess. Then you see the pattern: attackers are not always breaking in. They are using the parts we already trust. That is what makes it worrying. The...

[SECURITY] Fedora 43 Update: opencryptoki-3.26.0-3.fc43

Opencryptoki implements the PKCS11 specification v3.0 and partially v3.1 for a set of cryptographic hardware, such as IBM 4767, 4768, 4769 and 4770 crypto cards, and the Trusted Platform Module TPM chip. Opencryptoki also brings a software token implementation that can be used without any cryptog...

[SECURITY] Fedora 44 Update: opencryptoki-3.26.0-3.fc44

Opencryptoki implements the PKCS11 specification v3.0 and partially v3.1 for a set of cryptographic hardware, such as IBM 4767, 4768, 4769 and 4770 crypto cards, and the Trusted Platform Module TPM chip. Opencryptoki also brings a software token implementation that can be used without any cryptog...

kernel security update

4.18.0-553.125.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

PosCube QR Menu 安全漏洞

PosCube QR Menu is a QR code electronic menu and ordering management system for the catering industry developed by the Turkish company PosCube. The versions of PosCube QR Menu dated back to May 21052026 and earlier contained a security vulnerability. This vulnerability stemmed from an authorizati...

PT-2026-42463

Name of the Vulnerable Software and Affected Versions QR Menu versions prior to 21052026 Description An authorization bypass exists due to a user-controlled key, which allows for the exploitation of trusted identifiers. This is an Insecure Direct Object Reference IDOR, a condition where an...

CVE-2026-9150

A flaw was found in libsolv. This stack-based buffer overflow vulnerability occurs in libsolv's Debian metadata parser when processing specially crafted Debian repository metadata. An attacker could exploit this by providing malicious SHA384 or SHA512 checksum tags, leading to memory corruption a...

CVE-2026-9149

A flaw was found in libsolv. This heap buffer overflow vulnerability occurs when a victim processes a specially crafted .solv file containing negative size values in the repoaddsolv function. This leads to an undersized memory allocation and a subsequent out-of-bounds write. An attacker could...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...