CVE-2026-59948 Composer: Arbitrary file write outside vendor via malicious transitive package name

Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a maliciously crafted package from an untrusted repository other than Packagist.org or Private Packagist can cause Composer to write attacker-controlled files outside the vendor directory and outside the project...

CVE-2026-59948

CVE-2026-59948 affects Composer (PHP dependency manager). A malicious package from an untrusted repo (not Packagist.org/Private Packagist) with an invalid name could cause install/update to write attacker-controlled files outside the vendor directory and project. Root cause: failure to validate t...

CVE-2026-59948 Composer: Arbitrary file write outside vendor via malicious transitive package name

Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a maliciously crafted package from an untrusted repository other than Packagist.org or Private Packagist can cause Composer to write attacker-controlled files outside the vendor directory and outside the project...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the ScopedFs process. An attacker can create files outside of the intended user scope by exploiting dangling symlinks during file creation when possessing Create and Modify permissions. Details A Directory...

CVE-2026-56273

Flowise before 3.1.0 contains a path traversal vulnerability in Faiss and SimpleStore vector store implementations that accept unsanitized basePath parameters from authenticated users. Attackers with valid API tokens can write vector store data to arbitrary filesystem locations, potentially...

GO-2026-5762 Wish has SCP Path Traversal that allows arbitrary file read/write in charm.land/wish

Wish has SCP Path Traversal that allows arbitrary file read/write in charm.land/wish...

GO-2026-5806 Incus has an arbitrary file write on its client due to trusted image hash in github.com/lxc/incus

Incus has an arbitrary file write on its client due to trusted image hash in github.com/lxc/incus...

GO-2026-5801 Incus has an arbitrary file write on host via `exec-output` symlink in crafted image in github.com/lxc/incus

Incus has an arbitrary file write on host via exec-output symlink in crafted image in github.com/lxc/incus...

GO-2026-5498 Portainer has a path traversal in backup archive extraction that allows arbitrary file write in github.com/portainer/portainer

Portainer has a path traversal in backup archive extraction that allows arbitrary file write in github.com/portainer/portainer. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing...

GO-2026-5802 Incus has an arbitrary file write via path traversal in S3 multipart upload in github.com/lxc/incus

Incus has an arbitrary file write via path traversal in S3 multipart upload in github.com/lxc/incus...

GO-2026-5923 Coder's workspace agent API insecure redirect handling allowed cross-agent file read and write in github.com/coder/coder

Coder's workspace agent API insecure redirect handling allowed cross-agent file read and write in github.com/coder/coder...

PYSEC-2026-2053 Weblate wlc path traversal vulnerability: Unsanitized API slugs in download command

Impact Multi-translation download could write to an arbitrary location when instructed by a crafted server. Patches https://github.com/WeblateOrg/wlc/pull/1128 Workarounds Do not use wlc download with untrusted servers. References This issue was reported to us by wh1zee via HackerOne...

PYSEC-2026-1791 Picklescan vulnerable to Arbitrary File Writing

Summary Picklescan has got open and shutil in its default dangerous blocklist to prevent arbitrary file overwrites. However the module distutils isnt blocked and can be used for the same purpose ie to write arbitrary files. Details This is another vulnerability which impacts the downstream user. ...

PYSEC-2026-1841 Pyrofork has a Path Traversal in download_media Method

Summary The downloadmedia method in Pyrofork does not sanitize filenames received from Telegram messages before using them in file path construction. This allows a remote attacker to write files to arbitrary locations on the filesystem by sending a specially crafted document with path traversal...

PYSEC-2026-1670 MobSF Vulnerable to Arbitrary File Write (AR-Slip) via Absolute Path in .a Extraction

Summary The vulnerability allows any user to overwrite any files available under the account privileges of the running process. Details As part of static analysis, iOS MobSF supports loading and parsing statically linked libraries .a. When parsing such archives, the code extracts the embedded...

PYSEC-2026-1226 Bugsink path traversal via event_id in ingestion

Summary In affected versions, ingestion paths construct file locations directly from untrusted eventid input without validation. A specially crafted eventid can result in paths outside the intended directory, potentially allowing file overwrite or creation in arbitrary locations. Submitting such...

PYSEC-2026-1823 `pyLoad` has Path Traversal Vulnerability in `json/upload` Endpoint that allows Arbitrary File Write

Summary An authenticated path traversal vulnerability exists in the /json/upload endpoint of the pyLoad By manipulating the filename of an uploaded file, an attacker can traverse out of the intended upload directory, allowing them to write arbitrary files to any location on the system accessible ...

GO-2026-5827 gonic has arbitrary file write in createPlaylist: any authenticated user can write playlist M3U content to attacker-controlled path on the host in go.senan.xyz/gonic

gonic has arbitrary file write in createPlaylist: any authenticated user can write playlist M3U content to attacker-controlled path on the host in go.senan.xyz/gonic...

PYSEC-2026-1719 Open WebUI Allows Arbitrary File Write via the `download_model` Endpoint

In version 0.3.8 of open-webui/open-webui, an arbitrary file write vulnerability exists in the downloadmodel endpoint. When deployed on Windows, the application improperly handles file paths, allowing an attacker to manipulate the file path to write files to arbitrary locations on the server's...

Open WebUI Allows Arbitrary File Write via the `/models/upload` Endpoint

In open-webui version 0.3.8, the endpoint /models/upload is vulnerable to arbitrary file write due to improper handling of user-supplied filenames. The vulnerability arises from the usage of filepath = f"UPLOADDIR/file.filename" without proper input validation or sanitization. An attacker can...