collisions

TL;DR getting an MD5 collision of these two images is now trivial and instant. ⟷ Don't play with fire, don't rely on MD5. Colliding any pair of files has been possible for many years, but it takes several hours each time, with no shortcut. This page provide tricks specific to file formats and...

cve-2022-42889-text4shell

Install maven - maven-linux 1. Maven install to create the fat jar mvn clean install 2. Docker build docker build --tag=text4shell . 3. Docker run docker run -p 80:8080 text4shell 4. Test the app http://localhost/text4shell/attack?search= 5. Attack can be performed by passing a string...

CVE-2022-42889

CVE-2022-42889-POC Una aplicación de demostración simple que muestra cómo explotar la vulnerabilidad CVE-2022-42889. Utiliza servicios OOB Fuera de Banda para demostrar los prefijos dns y url. JavaDocs para la interpolación de commons-text commons-text JavaDocs Ejemplos de interpolaciones...

CVE-2026-52886

Path Traversal: startswith Prefix Check Bypass Notepad++ — Arbitrary File Read viasession.xml backupFilePath Traversal Advisory GHSA: GHSA-rqfm-pw34-r7j6 CVE: CVE-2026-52886 Severity: Moderate Affected: v8.9.6.4 Patched: v8.9.7 Patch Commit: 7e66f36 Affected File: PowerEditor/src/Notepadplus.cpp...

CVE-2026-66754-Remote-Denial-of-Service-via-Reachable-Assertion-in-URL-Prefix-Handling-rouille-

Security Advisory: Remote Denial of Service via Reachable Assertion in URL Prefix Handling rouille Assigned CVE ID: CVE-2026-66754 Summary Request::removeprefix tests the percent-decoded URL but asserts on the raw one. A request whose decoded path starts with the prefix while its raw path does no...

CVE-2010-2075

CVE-2010-2075 - UnrealIRCd 3.2.8.1 Backdoor Bash PoC Description Bash PoC for the backdoor introduced in the UnrealIRCd 3.2.8.1 source tarball. The compromised binary executes arbitrary commands prefixed with AB; sent to the IRC port. Usage chmod +x exploit.sh ./exploit.sh Example: ./exploit.sh...

CVE-2026-53519

Lab CVE-2026-53519 - Nezha Dashboard pre-auth path traversal Lab tai hien lo hong pre-auth path traversal via/dashboard.. prefix confusion trong Nezha Dashboard, dan toi leak jwtsecretkey - forge JWT - chiem quyen admin. Moi truong Docker, tach A/B theo version de so sanh vuln vs patched. | Image...

CVE-2026-25890-FileBrowser-Access-Control-Bypass

CVE-2026-25890 - FileBrowser Access Control Bypass Unauthenticated users cannot exploit this — requires valid low-privileged credentials that are restricted from the target path. Path-based authorization bypass in FileBrowser ≤ v2.57.0 using multiple leading slashes //private instead of /private ...

cve-2022-42889-text4shell

Install maven - maven-linux 1. Maven install to create the fat jar mvn clean install 2. Docker build docker build --tag=text4shell . 3. Docker run docker run -p 80:8080 text4shell 4. Test the app http://localhost/text4shell/attack?search= 5. Attack can be performed by passing a string...

sssd: sssd: IdP authentication prefix comparison allows cross-user impersonation

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

ssh: Prefix truncation attack on Binary Packet Protocol (BPP)

A flaw was found in the SSH channel integrity. By manipulating sequence numbers during the handshake, an attacker can remove the initial messages on the secure channel without causing a MAC failure. For example, an attacker could disable the ping extension and thus disable the new countermeasure ...

Actual Sync Server: CORS Proxy GitHub API Allowlist Prefix Bypass Leaks Private Repositories Through the Server GitHub Token

Summary Actual Sync Server's CORS proxy is intended to let authenticated users fetch resources only from repositories listed in the official plugin allowlist. When ACTUALGITHUBTOKEN is configured, the proxy automatically attaches the server's GitHub token to GitHub requests. The GitHub API...

GHSA-M62C-5Q34-F3CF Actual Sync Server: CORS Proxy GitHub API Allowlist Prefix Bypass Leaks Private Repositories Through the Server GitHub Token

Summary Actual Sync Server's CORS proxy is intended to let authenticated users fetch resources only from repositories listed in the official plugin allowlist. When ACTUALGITHUBTOKEN is configured, the proxy automatically attaches the server's GitHub token to GitHub requests. The GitHub API...

key-transparency-auditor

key-transparency-auditor A reference implementation of a third-party auditor for Signal's key transparency service, based on the key transparency specification. Overview This service is written in Java using the Micronaut framework. To build and unit test, run ./mvnw clean test in the root...

cve-2022-36804

CVE-2022-36804 Bitbucket PoC This repository contains a Python exploit script for Atlassian Bitbucket Server/Data Center vulnerability CVE-2022-36804. The issue is a command-injection flaw in the Git archive flow, where crafted prefix parameters can be interpreted by the server and executed as...

EUVD-2026-92842

vLLM: Harmony tool continuations drop cachesalt — restoring a cross-tenant prefix-cache membership oracle...

vLLM: Harmony tool continuations drop `cache_salt` — restoring a cross-tenant prefix-cache membership oracle

Affected - Ecosystem / package: pip / vllm - Affected versions: vLLM ≤ 0.25.1 confirmed on 0.25.1, commit 752a3a504485. The lower bound predates 0.25.1; maintainers can confirm how far back the tool-continuation re-submission has omitted the salt. Summary On the GPT-OSS "Harmony" path POST...

GHSA-935W-9G4M-P28P vLLM: Harmony tool continuations drop `cache_salt` — restoring a cross-tenant prefix-cache membership oracle

Affected - Ecosystem / package: pip / vllm - Affected versions: vLLM ≤ 0.25.1 confirmed on 0.25.1, commit 752a3a504485. The lower bound predates 0.25.1; maintainers can confirm how far back the tool-continuation re-submission has omitted the salt. Summary On the GPT-OSS "Harmony" path POST...

PT-2026-107188

Name of the Vulnerable Software and Affected Versions CRI-O affected versions not specified Description An issue exists in the handling of the bind mount prefix configuration. When this prefix is non-empty, a local attacker or a malicious container can utilize a Container Runtime Interface CRI...

vm2: NodeVM custom resolution bypasses external path boundaries

Summary At source revision 91034466bfb7f56b95fd48083ec6ca36d058f164 of vm2 3.11.8, an untrusted NodeVM guest can turn one allowlisted custom-resolved module into authorization for a separate file whose path merely shares the resolved path's string prefix. LegacyResolver.customResolve stores the...