polkit-CVE-2021-3560_writeup

Try Hack Me - Polkit:CVE-2021-3560 Author: Atharva Bordavekar Difficulty: Info Points: 32 Vulnerability: CVE-2021-3560 we will first check the version of the polkit version to get some better insights. apt list --installed | grep policykit-1 policykit-1/focal,now 0.105-26ubuntu1 amd64...

CVE-2025-6554

CVE-2025-6554 function leakhole let x; delete x?.y?.a; return y; let y; function pwn let hole = leakhole; %DebugPrinthole; pwn; Bug A variable y was accessed before declaration. Normally this should trigger a ReferenceError TDZ, but in older V8, when combined with delete x?.y, the check failed an...

CVE-2026-47554

A flaw was found in nvidia-driver. Under conditions of memory pressure, the kernel mode layer improperly verifies cryptographic signatures, allowing verification checks to be bypassed. A local attacker with low privileges could exploit this vulnerability to tamper with system data or cause a Deni...

CVE-2026-92121 Apache WSS4J: WS-SecurityPolicy signature checks skipped in the streaming code after an STR-Transform reference

In the WSS4J streaming StAX code, a signature reference using the WS-Security STR-Transform leaves an internal "inside signed content" flag permanently set. The WS-SecurityPolicy enforcer uses that flag to decide whether an element needs checking, so it stops evaluating SignedParts and...

CVE-2026-102930

virtualenv is a tool for creating isolated virtual python environments. Prior to 21.7.12, downloadwheel accepts pip and setuptools seed wheels fetched for periodic updates or the --download option without checking their bytes against an authoritative digest equivalent to the embedded wheels'...

GHSA-CXF4-7MRP-VVPR Flysystem: WhitespacePathNormalizer's control-character (CorruptedPathDetected) check is bypassed by malformed UTF-8 in the path, affecting every adapter

Related public issue context, not a duplicate Closed issue 1429 "Handle non-UTF-8 paths", 2024-03-24 raised exactly this general concern and even suggested detection via pregmatch'//u', $path !== 1 -- note the reporter's suggested check explicitly compares !== 1, which would correctly treat PCRE'...

Flysystem: WhitespacePathNormalizer's control-character (CorruptedPathDetected) check is bypassed by malformed UTF-8 in the path, affecting every adapter

Related public issue context, not a duplicate Closed issue 1429 "Handle non-UTF-8 paths", 2024-03-24 raised exactly this general concern and even suggested detection via pregmatch'//u', $path !== 1 -- note the reporter's suggested check explicitly compares !== 1, which would correctly treat PCRE'...

CVE-2026-8069

From an Acer Named Pipe to NT AUTHORITY\SYSTEM: CVE-2026-8069 Acer NitroSense and PredatorSense 3.x installed a Windows service called PSSvc that exposed a custom named-pipe protocol to local users. One protocol command accepted a caller-controlled executable path, duplicated the token of...

CVE-2021-24356

CVE-2021-24356 Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Subscriber + Arbitrary Plugin Installation Description A lack of capability checks and insufficient nonce check on the AJAX action in the plugin, made it possible for authenticated users to install arbitrary plugins on vulnerabl...

SUSE CVE-2026-91768

The IPv6 branch of the FastCGI client access check compares only the first 12 bytes of a 16-byte IPv6 address, so listen.allowedclients matches on a /96 prefix instead of the exact address. An attacker who can source an address sharing the first 96 bits with an allowed one passes the check and...

CVE-2026-101092

SiYuan before v3.8.4 fails to enforce publish-access checks in the getCurrentAttrViewImages endpoint, allowing publish readers to retrieve image asset paths from unauthorized databases. Attackers can call the endpoint with an unrendered database identifier obtained through related endpoints to le...

spectre-attack-example

Spectre Attack Example January 2, 2018 CVE-2017-5753 and CVE-2017-5715 "Spectre" exploit example What is this? We place the text "The Magic Words are Squeamish Ossifrage." in memory, and then we attempt to read it using the vulnerability. If the system is vulnerable, you will see the same text on...

DolibabyPhp

DolibabyPhp An authenticated RCE exploit for Dolibarr ERP/CRM CVE-2023-30253. Installation You can either install the package from the PyPi repository with pip or git clone the source directly from GitHub. pip install dolibabyphp Usage Usage: dolibabyphp OPTIONS TARGETURL USERNAME PASSWORD COMMAN...

Linux Distros Unpatched Vulnerability : CVE-2026-89134

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-D...

CVE-2026-94417

When an application enables both OCSP and CRL revocation checking on one WOLFSSLCTX or certificate manager, wolfSSL skips the CRL check for any peer certificate that carries no Authority Information Access OCSP URL, and accepts a certificate the loaded CRL lists as revoked. The soft-fail policy f...

CVE-2026-89134

The wolfSSL library (version 5.9.2 ) is vulnerable to a Subject CN name-constraint check bypass . The flaw occurs because the CN-as-DNS fallback logic incorrectly checks if any Subject Alternative Names (SAN) are present rather than specifically checking for the absence of a dNSName SAN. Conseque...

CVE-2026-89134 Subject CN name-constraint check bypassed when non-DNS SAN present

A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-subjectCN != NULL && cert-altNames == NULL && !cert-isCA instead of "no dNSName SAN", so an out-of-scope CN...

CVE-2026-97227

The NextScripts: Social Networks Auto-Poster WordPress plugin (versions before 4.4.8 ) is vulnerable to an authentication bypass. The plugin fails to perform proper capability or ownership checks on several AJAX actions, relying solely on a nonce . This allows users granted access to posting feat...

SpeculativeExecutionAssessment

SpeculativeExecutionAssessment Assesses a system for the "speculative execution" vulnerabilities described in: CVE-2017-5715 branch target injection CVE-2017-5753 bounds check bypass CVE-2017-5754 rogue data cache load WARNING: Ensure that "Prefer 32-bit" is not checked in the build options...

CVE-2026-32475

CVE-2026-32475 PoC : Elementor Pro Unauthenticated Arbitrary File Upload to RCE Elementor Pro Pre-Authentication Arbitrary File Upload Leading to Remote Code Execution Proof-of-concept for CVE-2026-32475, a critical unauthenticated arbitrary file upload in Elementor Pro's Forms module that ends i...