1312280 matches found
Nextcloud: SVG filter primitives bypass remote image blocking, enabling email tracking without consent.
A vulnerability was discovered in the HTML sanitizer of the Roundcube webmail application. The sanitizer did not properly handle the SVG filter primitive, allowing external resources to be loaded even when the "Block remote images" setting was enabled. This vulnerability could be used to track...
curl: Path Traversal in curl file:// Protocol Handler Allows Unauthorized File Access
Summary During my manual review of the file path handling logic in curl's source code, I noticed the absence of proper validation for directory traversal sequences, which I then verified through practical testing. I discovered that curl allows unauthorized access to arbitrary files through the...
curl: Alt-Svc bypasses credential leak protection (CVE-2018-1000007)
Summary I found a bug where curl's Alt-Svc implementation fails to strip sensitive authentication headers Authorization and Cookies when remapping a connection to a different host or port. This essentially bypasses the security fix for CVE-2018-1000007. While auditing the code, I noticed that...
8x8: jitsi-call-analytics: Unauthenticated arbitrary file write via path traversal in `/api/v1/uploads/analyze`
A path traversal vulnerability was discovered in the /api/v1/uploads/analyze endpoint of the jitsi-call-analytics backend. The vulnerability allowed unauthenticated users to write files within the configured RTCSTATSDOWNLOADSPATH directory. The issue was caused by the upload handler using...
curl: CRLF Injection in Gopher Protocol (`lib/gopher.c`)
Control characters slip through during URL handling in curl’s Gopher setup. Though null bytes get blocked by the REJECTZERO setting, returns and line feeds remain permitted. A specially built address using percent-encoded breaks - like %0D%0A - opens room for command insertion. Because of how...
curl: HTTP Request Smuggling and SSRF via CRLF Injection in Curl_add_custom_headers
Summary: A lack of CRLF validation in Curladdcustomheaders at lib/http.c:1761 allows users to inject arbitrary HTTP headers. This violation of RFC 7230 §3.2.4 leads to HTTP Request Smuggling and potential SSRF bypass. AI Disclosure: I utilized an AI assistant to aid in the initial code analysis a...
curl: MQTT Protocol Violation & Integer Overflow in libcurl
Executive Summary Vulnerability Type: CWE-190 Component: lib/mqtt.c Function: mqttdecodelen Affected Architectures: - All architectures: Protocol non-compliance leading to stream desynchronization - 32-bit architectures: Deterministic integer overflow in length decoding libcurl does not correctly...
curl: PROTOCOL-LEVEL: Persistent UDP Amplification and Cache Poisoning via Alt-Svc Logic Flaw
Summary A structural logic flaw in the libcurl Alt-Svc header parser allows attack attributes specifically persist and max-age to "leak" from one service definition to another. We have successfully chained this logic bug with curl's HTTP/3 QUIC support to demonstrate a Persistent UDP Amplificatio...
Nextcloud: Valid share tokens allow to access tempory upload files of share owner
A vulnerability was discovered that allowed access to temporary upload files of a share owner using valid share tokens...
curl: A quiet New Year wish for security researchers
Hi curl Security Team and fellow security researchers, Sorry in advance if this isn’t a traditional security report. I know your time is valuable, and I truly respect the work you all do. I just wanted to take a quiet moment to wish every security researcher here those who report issues, those wh...
Command Injection through bash -c
This report is not public...
Unbounded Classification Output Sorting Leads to Remote Denial-of-Service in Triton Inference Server
This report is not public...
curl: HTTP/2 and HTTP/3 Header Injection in curl
================================================================================ VULNERABILITY REPORT: HTTP/2 and HTTP/3 Header Injection in curl ================================================================================ VULNERABILITY TYPE: Response Header Injection / HTTP Response Splittin...
Unauthenticated File Upload in LollMS
Executive Summary A critical security vulnerability has been identified in LollMS that allows unauthenticated users to upload and process files through the /api/files/extract-text endpoint. This endpoint lacks authentication requirements, contradicting the application's documented "Secure...
Server-Side Request Forgery (SSRF) in LollMS Export Content
Executive Summary A security vulnerability has been identified in LollMS that allows Server-Side Request Forgery SSRF attacks through the /api/files/export-content endpoint. The downloadimagetotemp function downloads images from arbitrary user-controlled URLs without validation, allowing attacker...
Insecure Direct Object Reference (IDOR) in LollMS Friend Request Response
Executive Summary A critical security vulnerability has been identified in LollMS that allows any authenticated user to accept or reject friend requests belonging to other users. The respondrequest function lacks authorization checks, enabling Insecure Direct Object Reference IDOR attacks. Affect...
Content-Type Spoofing in LollMS Image Upload
Executive Summary A security vulnerability has been identified in LollMS that allows authenticated users to bypass file type validation by spoofing the Content-Type header. The /api/upload/chatimage endpoint only validates the HTTP header, not the actual file content, allowing malicious files to ...
curl: SMTP CRLF Injection & Protocol Desynchronization in libcurl
Executive Summary A critical security vulnerability has been identified in libcurl's SMTP protocol handler. The vulnerability allows for SMTP Command Smuggling and Protocol Desynchronization by injecting CRLF sequences into email address fields. This can be exploited to bypass security controls,...
curl: CVE-2025-15224: libssh key passphrase bypass without agent set
A vulnerability was discovered in the libcurl libssh backend where the CURLOPTSSHAUTHTYPES option did not properly implement the CURLSSHAUTHAGENT flag. As a result, if the CURLSSHAUTHPUBLICKEY option was set, the implementation would act as if CURLSSHAUTHAGENT was always defined, allowing...