EUVD-2019-20151

Seeyon OA A8 contains an unauthenticated arbitrary file write vulnerability in the /seeyon/htmlofficeservlet endpoint that allows remote attackers to write arbitrary files to the web application root by sending specially crafted POST requests with custom base64-encoded payloads. Attackers can wri...

CVE-2026-41193

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, FreeScout's module installation feature extracts ZIP archives without validating file paths, allowing an authenticated admin to write files arbitrarily on the server filesystem via a specially crafted ZIP...

DEBIAN-CVE-2026-40611

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

CVE-2026-40611

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

CVE-2026-40611

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

CVE-2026-40611

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

CVE-2026-40611

Technical details about CVE-2026-40611 are not publicly available in the provided documents; these sources confirm the vulnerability description but do not include affected versions, specifics, exploit status, or patches. Monitor for updates.

CVE-2026-40611 Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

CVE-2026-40611 Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

CVE-2026-40611 Lego: Arbitrary File Write via Path Traversal in Webroot HTTP-01 Provider

Let's Encrypt client and ACME library written in Go Lego. Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to...

nbconvert has an Arbitrary File Write via Path Traversal in Cell Attachment Filenames

Arbitrary File Write via Path Traversal in Cell Attachment Filenames Summary nbconvert allows arbitrary file writes to locations outside the intended output directory when processing notebooks containing crafted cell attachment filenames. The ExtractAttachmentsPreprocessor passes attachment...

GHSA-4C99-QJ7H-P3VG nbconvert has an Arbitrary File Write via Path Traversal in Cell Attachment Filenames

Arbitrary File Write via Path Traversal in Cell Attachment Filenames Summary nbconvert allows arbitrary file writes to locations outside the intended output directory when processing notebooks containing crafted cell attachment filenames. The ExtractAttachmentsPreprocessor passes attachment...

EUVD-2026-24223

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, FreeScout's module installation feature extracts ZIP archives without validating file paths, allowing an authenticated admin to write files arbitrarily on the server filesystem via a specially crafted ZIP...

CVE-2026-41193 FreeScout has Zip Slip path traversal in module installation that allows arbitrary file write leading to RCE

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, FreeScout's module installation feature extracts ZIP archives without validating file paths, allowing an authenticated admin to write files arbitrarily on the server filesystem via a specially crafted ZIP...

CVE-2026-41193 FreeScout has Zip Slip path traversal in module installation that allows arbitrary file write leading to RCE

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, FreeScout's module installation feature extracts ZIP archives without validating file paths, allowing an authenticated admin to write files arbitrarily on the server filesystem via a specially crafted ZIP...

CVE-2026-41193

CVE-2026-41193 — FreeScout Zip Slip path traversal . Affected: FreeScout prior to v1.8.215.Issue: The module installation feature extracts ZIP archives without validating file paths, enabling an authenticated admin to write arbitrary files on the server filesystem via a crafted ZIP.Impact (as sta...

CVE-2026-41193 FreeScout has Zip Slip path traversal in module installation that allows arbitrary file write leading to RCE

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, FreeScout's module installation feature extracts ZIP archives without validating file paths, allowing an authenticated admin to write files arbitrarily on the server filesystem via a specially crafted ZIP...

nix: absolute path traversal when unpacking archives to disk

A flaw was found in Nix. Writing to arbitrary files can occur via "nix-prefetch-url --unpack" or "nix store prefetch-file --unpack" directory traversal...

CVE-2019-25714

Seeyon OA A8 contains an unauthenticated arbitrary file write vulnerability in the /seeyon/htmlofficeservlet endpoint that allows remote attackers to write arbitrary files to the web application root by sending specially crafted POST requests with custom base64-encoded payloads. Attackers can wri...

CVE-2019-25714

CVE-2019-25714 affects Seeyon OA A8, with an unauthenticated arbitrary file write vulnerability in the /seeyon/htmlofficeservlet endpoint. The issue allows remote attackers to write arbitrary files to the web application root by sending specially crafted POST requests containing base64-encoded pa...