CVE-2026-49258 Nebula Mesh: Web UI lacks ownership checks, enabling cross-operator access to hosts and networks (read, block, delete)

Nebula Mesh is a self-hosted control plane for the Slack Nebula mesh VPN. In versions 0.3.5 and below, the web UI /ui/ does not apply the per-operator CA scoping employed by the JSON API. This was partially addressed by GHSA-598g-h2vc-h5vg, but the changes were not implemented in the web...

CVE-2026-49258

Nebula Mesh Web UI contains ownership checks gaps in versions ≤ 0.3.5, allowing authenticated non-admin operators to access, block, or delete resources across operators via endpoints such as /ui/hosts/{id}/block, /ui/hosts/{id}, /ui/hosts, /ui/networks, and /ui/events. The root cause is improper ...

CVE-2026-47725 nebula-mesh: Web UI lacks CSRF tokens on /ui/* mutating endpoints

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.3, every /ui/ POST / PUT / PATCH / DELETE route processes the request as soon as the session cookie validates. SameSite=Lax on the session cookie prevents most cross-site form submits bu...

EUVD-2026-49887

IBM Sterling B2B Integrator 6.2.0.0 through 6.2.0.6, 6.2.1.0 through 6.2.1.12, and 6.2.2.0 through 6.2.2.01 and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.6, 6.2.1.0 through 6.2.1.12, and 6.2.2.0 through 6.2.2.01 is vulnerable to stored cross-site scripting. This vulnerability allows a...

Security update for agama-web-ui (important)

openSUSE security update: security update for agama-web-ui ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21448-1 Rating: important References: bsc1246822 bsc1259169 bsc1268851 bsc1269359 bsc1269514 bsc1269595 bsc1269927 bsc1272310 bsc1272311...

OPENSUSE-SU-2026:21448-1 Security update for agama-web-ui

This update for agama-web-ui fixes the following issues: - CVE-2025-7783: form-data: unsafe Math.random function is used to select a boundary value for multipart form-encoded data bsc1246822. - CVE-2026-12143: form-data: CRLF injection via unescaped multipart field names and filenames bsc1272310....

CVE-2026-59714

creationtimestamp| type| source ---|---|--- 2026-07-24 18:35:10+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-x2ff-v5v8-m75m...

CVE-2026-59222

creationtimestamp| type| source ---|---|--- 2026-07-24 18:35:03+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-gh7p-78x6-jw6m...

CVE-2026-47723 nebula-mesh: Web UI and API responses lack security headers (CSP, X-Frame-Options, HSTS, etc.)

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.1, none of the response paths in internal/web/ or internal/api/ set the standard browser-security headers. grep for Content-Security-Policy, X-Frame-Options, Strict-Transport-Security,...

GO-2026-5987 Insecure enrollment token TTL in nebula-mesh in github.com/forgekeep/nebula-mesh

The nebula-mesh Web UI host creation ignores the configured enrollment token TTL and instead mints 24-hour bearer enrollment tokens. This can lead to tokens remaining valid for longer than intended, increasing the window of opportunity for an attacker to use an intercepted token...

OPENSUSE-SU-2026:11325-1 agama-web-ui-23+0.f26ed5eab-49.1 on GA media

These are all security issues fixed in the agama-web-ui-23+0.f26ed5eab-49.1 package on the GA media of openSUSE Tumbleweed...

PT-2026-64050

These are all security issues fixed in the agama-web-ui-23+0.f26ed5eab-49.1 package on the GA media of openSUSE Tumbleweed...

Security update for beets (moderate)

openSUSE security update: security update for beets ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21383-1 Rating: moderate References: bsc1263988 Cross-References: CVE-2026-42052 Affected Products: openSUSE Leap 16.0...

pcs security update

0.12.2-3.el102.1 - Fixed CVE-2026-4800 by updating HA Cluster Management add-on to 0.1.24.3 Resolves: RHEL-164079 0.12.2-3 - Fixed CVE-2025-13465 by updating pcs-web-ui to 0.1.24.2 Resolves: RHEL-144191...

BIT-PROMETHEUS-2026-40179 Prometheus: Stored XSS via metric names and label values in web UI tooltips and metrics explorer

Prometheus is an open-source monitoring system and time series database. Versions 3.0 through 3.5.1 and 3.6.0 through 3.11.1 have stored cross-site scripting vulnerabilities in multiple components of the Prometheus web UI where metric names and label values are injected into innerHTML without...

PT-2026-60106

Name of the Vulnerable Software and Affected Versions nebula-mgmt versions 0.3.0 through 0.3.8 Description The Web UI host-creation path in nebula-mgmt ignores the server-wide enrollment token ttl security setting and per-network network config.enrollment token ttl overrides. While the API paths...

PYSEC-2026-2727 Open WebUI missing authorization check at the model update function - models from other users can be updated

Summary A user can modify another user's model even if its visibility is set to Private. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here...

PYSEC-2026-2726 Open WebUI has Broken Access Control for Completions API

Summary Any user X can continue the conversation of any other user Y, as long as the Chat ID of Y is known. User X does not even need to be an admin to do so. Details A user just needs to use the API endpoint: /api/chat/completions with their own API key generated in OWUI and the Chat ID of anoth...

PYSEC-2026-2744 Open WebUI has stored XSS in Excel file preview

Summary Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated HTML. This is subsequently added to the DOM unsanitized via @html causing the payload to trigger. Details The...

PYSEC-2026-2979 Pydantic AI has Stored XSS via Path Traversal in Web UI CDN URL

Summary A Path Traversal vulnerability in the Pydantic AI web UI allows an attacker to serve arbitrary JavaScript in the context of the application by crafting a malicious URL. If a victim clicks the link or visits it via an iframe, attacker-controlled code executes in their browser, enabling the...