Grav: Page editors can inject arbitrary script into rendered pages via the Twig sandbox's assets.addJs/addCss allowlist, escalating to super-admin

Summary Grav 2.0 renders editor-authored Twig in page content by default and relies on the Twig content sandbox to contain it. The shipped sandbox policy allowlists addcss and addjs on Grav\Common\Assets system/src/Grav/Common/Twig/Sandbox/SandboxDefaults.php:307. Because the sandbox arbitrates t...

Unleash: Global Mustache.escape override disables HTML escaping process-wide, enabling Slack/Teams link-injection via unrestricted username

Vulnerability Details File: src/lib/addons/feature-event-formatter-md.ts Line: 355 in v8.0.1; format method Root Cause FeatureEventFormatterMd.format does: ts Mustache.escape = text = text; const text = Mustache.renderaction, context; mustache pinned ^4.2.0, confirmed installed 4.2.0 keeps escape...

Unleash: Addon webhook URL is dialed server-side with no internal-address filtering, enabling SSRF to internal services / cloud metadata and exfiltration of configured request headers

Summary Unleash's addon/integration subsystem lets an operator configure a webhook and the Slack, Microsoft Teams, Datadog, and New Relic integrations with a target url parameter. Whenever a subscribed feature-flag event fires, the Unleash server itself issues an HTTP request to that configured...

Unleash: Unauthenticated single-request DoS via OpenAPI validation error formatter

Summary An unauthenticated POST to any OpenAPI-validated endpoint, including the anonymous POST /edge/validate and POST /edge/issue-token, crashes the entire Unleash server with one request body of deeply-nested JSON. When request-body validation fails, Unleash builds the error message by calling...

Duplicate Advisory: ONNX: TOCTOU arbitrary file read/write in save_external_dat

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q56x-g2fj-4rj6. This link is maintained to preserve external references. Original Description In ONNX before 1.21.0, the 'saveexternaldata' function builds the external-data file path from the model's externalda...

NLTK TweetTokenizer vulnerable to denial of service through catastrophic regex backtracking

The URLS regular expression in nltk/tokenize/casual.py, compiled into TweetTokenizer.WORDRE and applied by TweetTokenizer.tokenize, contains a naked-domain branch whose domain-label prefix a-z0-9+?:.-a-z0-9+ is unbounded. Input consisting of many alternating label separators can be partitioned in...

Mailpit: WebSocket origin check bypass via percent-encoded path (regression of CVE-2026-22689)

Summary The cross-site WebSocket hijacking fix was reimplemented as an origin check gated on a raw-URI prefix test, but Go's ServeMux routes on the percent-decoded path, so requesting /%61pi/events reaches the WebSocket handler while skipping the only origin control, and the upgrader itself accep...

Mailpit: SMTP DATA line reader buffers over-limit input before size enforcement

Summary Mailpit's SMTP DATA reader enforces the configured MaxMessageSize only after bufio.Reader.ReadBytes'\n' has already buffered a complete DATA line. A remote unauthenticated SMTP client can send one line larger than the configured message-size cap and force memory allocation before Mailpit...

gettext-converter: Prototype pollution in js2i18next() via crafted translation keys

Impact js2i18next is vulnerable to prototype pollution. When converting translations, it splits nested keys on the key separator default and uses each segment as a dynamic object key while building the output object. A key whose segment is proto e.g. protogcPolluted causes the converter to resolv...

Wagtail: Improper restriction handling on Page translation API endpoint

Impact A CMS user with the "submit translations" permission, could use the Admin API's "copy for translation" endpoint to copy an existing page that they do not have edit access to, allowing them to view its contents. Patches Patched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and...

Wagtail: Improper permission handling when copying snippets

Impact A CMS user with "add" permission over a snippet model, but not "change" or "view" permission, could copy an existing snippet that they do not have access to, allowing them to view its contents. Patches Patched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and 8.0rc2. Workaroun...

Wagtail: Improper restriction handling on descendant collections in Documents and Images API

Impact The Documents and Images API V2 incorrectly listed items in descendants of private collections, which should inherit the view restrictions defined on their ancestors. A user with access to the API could see the filename and name of documents and images in these descendant collections...

Wagtail: Identification of documents by SHA1 hash

Impact By passing specific HTTP headers to the document serve URL endpoint, an attacker was able to determine whether a document with a given ID matched a specified SHA1 hash, regardless of any permission restrictions on the document or knowing its filename. This could allow an attacker to...

Winter: Reflected XSS through the search query parameter in the backend Table widget

Impact Affected versions of Winter CMS render the search query parameter without HTML encoding inside a block in the backend Table widget partial modules/backend/widgets/table/partials/table.php: php value="" is an HTML raw-text context, so the surrounding value="…" attribute quoting is not a...

Winter: CSRF through AJAX handler names reachable as backend page actions

Impact Affected versions of Winter CMS allow a backend AJAX handler to be invoked by a plain top-level GET navigation with no CSRF token. Backend\Classes\Controller::actionExists accepted any public method on a controller as a page action, so handler-shaped names were never reserved from URL...

Winter: Stored XSS through cached Brand Settings and Editor Settings custom styles

Impact Users with the backend.managebranding "Customize the back-end" or backend.manageeditor "Manage global code editor preferences" permission can provide custom CSS through Settings → Customize Backend → Styles or Settings → Editor Settings → Markup Styles that is compiled through the LESS CSS...

Winter: ImportExportController AJAX handlers bypass granular import/export permission gate

Impact Affected versions of Winter CMS did not enforce the ImportExportController behavior's granular access control on the handlers that actually perform the work. The behavior supports per-operation access control through the importpermissions and exportpermissions configuration keys, enforced ...

Winter: My Account preview exposes another backend user's profile by record ID

Impact Backend\Controllers\MyAccount, introduced in v1.2.13, declares an empty $requiredPermissions array so that any authenticated backend user can manage their own account. It implements the FormController behavior, which exposes three routable actions — create, update and preview — that each...

Winter: Stored XSS through Backend List widget image columns

Impact Backend\Widgets\Lists::evalImageTypeValue interpolated the resolved image URL into a single-quoted src attribute without escaping it. Where a list column of type image rendered an attacker-influenced value, that value could break out of the attribute and inject arbitrary attributes —...

Fleet: ORDER BY column injection on activity list endpoints

Summary An authenticated user with read access to Activity could influence the ORDER BY clause of the activity list endpoints by supplying an arbitrary sort column: - GET /api/v1/fleet/activities ListActivities - GET /api/v1/fleet/hosts/id/activities ListHostPastActivities This originated from th...

Fleet: Unauthenticated download of in-house iOS app binaries via predictable URLs

Summary Two endpoints serving in-house iOS application packages and manifests in Fleet's enterprise tier are reachable without a hard-to-guess token in the URL, allowing an unauthenticated attacker who can reach the Fleet server to download an in-house IPA by guessing sequential title identifiers...

Winter: Authenticated Twig sandbox escape in CMS SecurityPolicy (bypass of CVE-2024-54149)

Impact Affected versions of Winter CMS allow authenticated backend users with CMS template-editing permissions to escape the Twig sandbox "safe mode" that is meant to restrict what template code can do. Using any of the following permissions, an attacker can read and modify arbitrary database...

Winter: Local File Inclusion through =include directives in JavaScript asset compilation

Impact Affected versions of Winter CMS allow authenticated backend users with the cms.manageassets permission "Manage website assets - images, JavaScript files, CSS files" to disclose arbitrary files readable by the PHP process by placing an =include / =require directive in a theme JavaScript...

netty-incubator-codec-ohttp BinaryHttpParser: Unauthenticated CPU-exhaustion DoS via infinite loop in field-section decoding

BinaryHttpParser: Unauthenticated CPU-exhaustion DoS via infinite loop in field-section decoding - ID: BHTTP-LOOP-001 - Severity: High - CVSS v3.1: 7.5 — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CWE: CWE-835 Loop with Unreachable Exit Condition — secondary CWE-400 Uncontrolled Resource...

Winter: Local File Inclusion through @import directives in LESS compilation of backend customizable stylesheets and theme assets

Impact Affected versions of Winter CMS allow authenticated backend users with the following permissions to disclose arbitrary files readable by the PHP process by injecting @import inline "" directives into LESS source that the backend compiles. Four entry points share the same root cause: - Bran...

netty-incubator-codec-ohttp: BinaryHttpParser should enforce limits for variable lengths fields

We don't enforce any limits for the encoded variable lengths that are used for fields. As the remote peer controls these it's easy for the remote peer to have us buffer data forever and so ultimately OOM...

netty-incubator-codec-ohttp: Binary HTTP parser infinite loop on known-length field section boundary

Summary io.netty.incubator:netty-incubator-codec-bhttp can enter a non-terminating parse loop when a known-length Binary HTTP field section ends exactly after a complete field line. A remote peer that can send Binary HTTP input to a Netty pipeline using BinaryHttpParser / BinaryHttpDecoder can us...

netty-incubator-codec-ohttp: Binary HTTP parser unchecked varint length overflow causes decoder crash

Summary io.netty.incubator:netty-incubator-codec-bhttp uses attacker-controlled Binary HTTP variable-length integers as long values but accumulates them into int offsets. Large valid varint lengths wrap the internal offset negative, leading to unchecked ArrayIndexOutOfBoundsException /...

netty-incubator-codec-ohttp: BoringSSL HPKE private key bytes exposed through toString() and exception messages

Summary io.netty.incubator:netty-incubator-codec-ohttp-hpke-classes-boringssl exposes raw HPKE private key bytes in string representations and error messages. BoringSSLAsymmetricCipherKeyPair.toString includes the private-key parameter object, and BoringSSLAsymmetricKeyParameter.toString renders...

django CMS: Missing authorization in `render_object_structure` discloses non-PageContent placeholder structure to low-privileged staff

Summary The django-cms frontend-editing structure endpoint GET //admin/cms/placeholder/object//structure// did not perform an object-level authorization check for non-PageContent objects. Any authenticated, active staff user could request the structure endpoint for a frontend-editable object a...

django CMS: Broken access control in page *Duplicate* allows reading the content of any page (cross-site / restriction bypass)

Impact The only authorization gate on the duplicate flow is PageAdmin.hasaddpermission, which checks usercanaddpageuser, site / usercanaddsubpage... — i.e. “may this user create a page at all”. Nothing checks the user’s relationship to the page being copied: - cms/admin/forms.py —...

django CMS: Stored XSS in edit-mode plugin exception rendering

Summary When plugin rendering fails in edit mode, django CMS renders a cms-rendering-exception block so editors can see that a placeholder could not be rendered. Older code built that block's heading by interpolating the exception message, placeholder/source strings, and the failing plugin's shor...

Laravel Backpack CRUD: HasMany/MorphMany relation fields allow cross-tenant record re-parenting (IDOR) via attachManyRelation

Vulnerability Details Affected area: HasMany / MorphMany relation handling during CRUD create and update operations CWE: CWE-862 — Missing Authorization Severity: Medium CVSS: 6.5 — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Summary Backpack CRUD contained an authorization issue in the way...

Wagtail: Improper restriction handling on Pages admin API

Impact The internal Pages admin API incorrectly returns page fields without access control when they are declared in apifields. A user with access to the Wagtail admin can use this API to fetch draft and live page fields’ contents that are part of apifields on the base page model title, slug,...

NocoBase: Arbitrary File Write chained with Local file Inclusion leads to Remote code execution

Executive Summary Two vulnerabilities were identified and chained to achieve authenticated remote code execution The first vulnerability allows any authenticated admin to redirect the file upload storage root to an arbitrary path on disk including the application directory itself by supplying an...

django CMS: Structure endpoint bypasses page-view permission

Summary The structure-board endpoint renderobjectstructure renders a page's plugin structure without verifying that the requesting user is allowed to view the page. The edit and preview endpoints enforce this via renderpage, but the structure endpoint does not, allowing a low-privileged staff use...

django CMS: Clipboard copy IDOR discloses unauthorized plugin content

Summary The clipboard copy paths of the copyplugins admin endpoint validate only the target the user's own clipboard and skip source-side authorization. A staff user can copy plugins out of a placeholder they have no permission on into their clipboard, then read the secret content. Details In...

Wagtail: Reflected XSS in dynamic image URL generator view

Impact A reflected cross-site scripting XSS vulnerability exists on the dynamic image URL generator view within the Wagtail admin interface. A user with a limited-permission editor account for the Wagtail admin could craft a URL that, when viewed by a user with higher privileges, could perform...

Wagtail: Pages translations can be created without page permissions when using simple_translation

Impact A low-level user with the "Can submit translation" permission can create translations for any page, including those they do not have permissions for. Patches Patched versions have been released as Wagtail 7.0.8, 7.3.3, 7.4.2. Workarounds N/A Acknowledgements Many thanks to @devansh3008 and...

Wagtail: Improper permission handling in image preview

Impact Due to a missing permission check on the image preview endpoint, a user with access to the Wagtail admin can preview any image. The existing data of the image object itself is not exposed. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin...

Wagtail: Denial of service via unbounded filter specs in the image preview

Impact An authenticated admin user can trigger expensive rendition processing with purposefully crafted filter specs resulting in potentially service degradation. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. Patches Patched versions have be...

Wagtail: Improper restriction handling on Documents and Images chosen endpoints

Impact The Documents and Images chooser's chosen endpoint incorrectly listed items for which the user has not been granted choose permission. A user with access to the Wagtail admin could see the filename and name and URLs of documents and images in those collections. The vulnerability is not...

Winter: Authenticated IDOR in backend FileUpload widget allows cross-user access to attachment metadata

Impact The backend FileUpload form widget trusted an attacker-controlled fileid POST parameter when resolving the attachment it operates on. The lookup FileUpload::getFileRecord resolved the posted id against the global systemfiles table without verifying that the file belonged to the widget's ow...

netty-incubator-codec-ohttp: [OHttpServerCodec] Native Direct-Memory Leak on AEAD Decryption Failure Leads to Gateway Denial of Service

The netty-incubator-codec-ohttp library implements Oblivious HTTP OHTTP gateway and client functionality using Netty's ByteBuf memory management. When an OHTTP gateway processes encrypted client requests, it allocates a pooled direct native off-heap ByteBuf to hold the decrypted plaintext before...

Fleet: SQL injection in Okta conditional access endpoint allows host-controlled compromise of the Fleet database

Summary A SQL injection vulnerability in Fleet's Okta conditional access integration could allow an attacker who controls a single enrolled host to read or modify arbitrary data in the Fleet database, including stored session tokens. Disclosed session tokens may be replayed to act as a global...

Laravel Backpack CRUD: OS command injection in Stats::makeCurlRequest via attacker-controlled Host header (pre-auth)

Summary Backpack\CRUD\Stats::makeCurlRequest builds a shell command using unescaped input that originates from the HTTP Host header, then passes it to exec. A specially crafted Host header can break out of the shell argument and cause the server to execute arbitrary OS commands as the web user. T...

Laravel Backpack CRUD: Stored XSS in the color column — the `@if($column['escaped'])` branches are inverted

Summary The Blade template for the color column type src/resources/views/crud/columns/color.blade.php has its escaped/unescaped rendering branches inverted relative to every other column template in the library. Because $column'escaped' defaults to true, values stored in color columns are rendere...

Laravel Backpack CRUD: CRUD panel query scopes are not enforced on Update, Delete, and Reorder (cross-tenant IDOR)

Summary Backpack CRUD's list and read operations correctly apply any query scopes registered via addClause / addBaseClause e.g. tenant isolation, user ownership. However, the Update, Delete, and Reorder operations bypassed these scopes, fetching records directly from the unscoped model query. An...

Laravel Backpack CRUD: SingleBase64Image accepts any base64 payload behind a `data:image` prefix — SVG-with-script lands on the public disk

Summary SingleBase64Image::uploadFiles — the uploader bound to image-typed fields via withFiles — only verifies that the submitted value starts with the string data:image. The MIME subtype and the base64-decoded bytes are never inspected or validated. A related bug in FileNameGenerator causes the...

Laravel Backpack CRUD: Arbitrary file deletion via attacker-controlled clear_<attr>[] in HasUploadFields::uploadMultipleFilesToDisk

Summary HasUploadFields::uploadMultipleFilesToDisk in src/app/Models/Traits/HasUploadFields.php reads file paths from the clear request input and deletes them from the configured storage disk without verifying that the paths belong to the current model record. An authenticated user with Update...