CVE-2026-61505

Rejetto HFS 3.0.0 through 3.2.0 allows path traversal through the lang query parameter, permitting a remote unauthenticated attacker to read certain JSON files outside the shared folders. Exploitation is constrained to files matching a narrow naming and format pattern, limiting practical impact...

PYSEC-2026-2760 Open WebUI vulnerable to Stored XSS via iFrame embeds in response messages

Summary Manually modifying chat history allows setting the embeds property on a response message, the content of which is loaded into an iFrame with a sandbox that has allow-scripts and allow-same-origin set, ignoring the "iframe Sandbox Allow Same Origin" configuration. This enables stored XSS o...

Open WebUI: Forged chat-file link allows cross-user file read and deletion

SummaryOpen WebUI v0.9.5 lets an authenticated user attach arbitrary fileid values to their own chat message without checking whether they own or can read those files. If the attacker then shares that chat and grants themselves read access, hasaccesstofile treats the victim file as accessible...

PYSEC-2026-2763 Open WebUI: Forged chat-file link allows cross-user file read and deletion

Summary Open WebUI v0.9.5 lets an authenticated user attach arbitrary fileid values to their own chat message without checking whether they own or can read those files. If the attacker then shares that chat and grants themselves read access, hasaccesstofile treats the victim file as accessible...

Jupyter Server vulnerable to Path Traversal via incorrect root directory boundary check in _get_os_path()

A path traversal vulnerability exists in jupyter-server version 2.17.0 due to an incorrect root directory boundary check in the getospath function within jupyterserver/services/contents/fileio.py. The check uses startswithroot without appending a trailing path separator, allowing sibling...

PYSEC-2026-2532 Jupyter Server vulnerable to Path Traversal via incorrect root directory boundary check in _get_os_path()

A path traversal vulnerability exists in jupyter-server version 2.17.0 due to an incorrect root directory boundary check in the getospath function within jupyterserver/services/contents/fileio.py. The check uses startswithroot without appending a trailing path separator, allowing sibling...

Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

SummaryAny authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile authorization gate unconditionally grants access through its shared-chat branch. It checks neither the requesting...

PYSEC-2026-2692 Open WebUI: shared-chat branch ignores access_type, allowing unauthorized file deletion

Summary Any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile authorization gate unconditionally grants access through its shared-chat branch. It checks neither the requesting...

Open WebUI: Read-Only Users Can Toggle Note Pin Status via Incorrect Permission Check (Write via Read-Only Access)

SummaryThe POST /api/v1/notes/id/pin endpoint performs a write operation toggling the ispinned field but only checks for read permission. Users with read-only access to a shared note can pin/unpin it, which is a state-modifying action that should require write permission. All other write endpoint...

PYSEC-2026-2738 Open WebUI Vulnerable to Cross-Site Request Forgery (CSRF) via Image URL Manipulation

Summary An application-wide Cross-Site Request Forgery CSRF vulnerability was found Open-WebUl's image uploading functionality. An attacker can set an image URL to a malicious endpoint, allowing them to perform actions on behalf of a victim user. Any authenticated user can exploit this...

PYSEC-2026-3050 requests-hardened is Vulnerable to Server-Side Request Forgery

The SSRF protection in requests-hardened prior to version 1.2.1 fails to block IP addresses within the RFC 6598 Shared Address Space 100.64.0.0/10. An attacker who can supply arbitrary URLs to requests-hardened could exploit this gap to access internal services hosted within 100.64.0.0/10. This i...

mcpo-simple-server has a Path Traversal issue

A weakness has been identified in getsimpletool mcpo-simple-server up to 0.2.0. Affected is the function deletesharedprompt of the file src/mcposimpleserver/services/promptmanager/basemanager.py. This manipulation of the argument detail causes relative path traversal. It is possible to initiate t...

PYSEC-2026-2632 mcpo-simple-server has a Path Traversal issue

A weakness has been identified in getsimpletool mcpo-simple-server up to 0.2.0. Affected is the function deletesharedprompt of the file src/mcposimpleserver/services/promptmanager/basemanager.py. This manipulation of the argument detail causes relative path traversal. It is possible to initiate t...

AWS Encryption SDK for Python: Key commitment policy bypass via shared key cache

SummaryAWS Encryption SDK ESDK for Python is a client-side encryption library. An issue exists where, under certain circumstances, a specific cryptographic algorithm downgrade in the caching layer might allow an authenticated local threat actor to bypass key commitment policy enforcement via a...

PYSEC-2026-2387 AWS Encryption SDK for Python: Key commitment policy bypass via shared key cache

Summary AWS Encryption SDK ESDK for Python is a client-side encryption library. An issue exists where, under certain circumstances, a specific cryptographic algorithm downgrade in the caching layer might allow an authenticated local threat actor to bypass key commitment policy enforcement via a...

OPENSUSE-SU-2026:21324-1 Security update for go1.25

This update for go1.25 fixes the following issues - Update to version go1.25.12 bsc1244485. - CVE-2026-25679: net/url: reject IPv6 literal not at start of host bsc1259264. - CVE-2026-27139: os: FileInfo can escape from a Root bsc1259268. - CVE-2026-27142: html/template: URLs in meta content...

crypto/tls: golang: Go crypto/tls: Information disclosure in Encrypted Client Hello

A flaw was found in the crypto/tls package in Go. Handshakes utilizing Encrypted Client Hello ECH could lead to de-anonymization by a passive network observer. This is due to the disclosure of pre-shared key identities within the unencrypted client hello, allowing an attacker to potentially link...

SUSE-SU-2026:22641-1 Security update for go1.26-openssl

This update for go1.26-openssl fixes the following issues - Update to version go1.26.5 bsc1255111. - CVE-2026-39822: os: Root escape via symlink plus trailing slash bsc1271014. - CVE-2026-42505: crypto/tls: omit PSK in ECH outer client hello bsc1271015...

EUVD-2026-43339

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to check the managesharedchannels permission in the /share-channel autocomplete handler, which allows an authenticated user without that permission to enumerate configured remote cluster connection metadata via slash...

CVE-2026-9824

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to check the managesharedchannels permission in the /share-channel autocomplete handler, which allows an authenticated user without that permission to enumerate configured remote cluster connection metadata via slash...