GHSA-JM63-CQ47-J5JP MCP TypeScript server SDK: Shared transport or server instances delivered one HTTP client's messages to another

Summary In affected versions, an MCP server reached over HTTP could deliver one client's responses and notifications to another client. This happened when clients shared one stateless transport, or one McpServer or Server instance. Messages were matched to a connection by JSON-RPC id alone. SDK...

GHSA-46JR-4WX8-V453 MCP TypeScript SDK: One HTTP request within the default size limit could exhaust server memory during validation

Summary In affected versions, servers put no limit on how many array elements and object keys they validated in one request. One HTTP request within the default 4 MiB size limit could exhaust the server's memory, and the process aborted with JavaScript heap out of memory. No credentials are neede...

GHSA-F9XW-JH8M-3MWQ AIOHTTP: Absolute-form request targets can spoof Request.scheme

Summary An attacker sending an absolute-form request can spoof the scheme used. Impact If user code depends on the Request.scheme attribute for anything security related, an attacker may be able to circumvent this logic, tricking the application into thinking a connection is encrypted when it is...

GHSA-GX76-C99X-2C96 AIOHTTP: Cookie from subdomain can remove Host-Only Scope from existing cookies

Summary A subdomain can remove the Host-Only flag from an existing cookie to a parent domain. Impact A user accessing untrusted subdomains could see their Host-Only protections stripped from cookies. Given most usecases won't reflect these cookies to a browser, the impact is limited...

GHSA-6CJC-53GC-5RQM AIOHTTP: Connector pool exhaustion via Max-Age overflow

Summary An overflow in Max-Age processing can skip closing a connection. Impact An attacker may be able to exhaust the connection pool temporarily, until garbage collection resolves the connections...

GHSA-PQXQ-W44R-73XW AIOHTTP: Pure-Python parser request smuggling

Summary The pure Python parser is vulnerable to an HTTP request smuggling attack. Impact If users are using the Python parser AIOHTTPNOEXTENSIONS, or not a standard wheel installed, then an application may be vulnerable to a request smuggling attack. Workaround Switch to the default C parser...

GHSA-9XW5-W5JJ-PVCG AIOHTTP: File descriptor exhaustion in multipart requests

Summary An attacker can exhaust file descriptors with specially crafted multipart requests. Impact If a handler uses Request.post, it may be possible for an attacker to use an unlimited number of file descriptors, potentially resulting in resource exhaustion...

GHSA-R825-W8MM-5PXW launch-editor: Editor CLI flag misinterpretation causing arbitrary command execution for some editors

Summary launch-editor forwarded file paths directly to editors without sanitization. If a path resembles a CLI flag, editors like Vim may interpret it as a command, potentially causing unintended file overwrites or command execution. Impact Direct launch-editor users Only apps that match all of t...

GHSA-587H-7WMJ-H5PM launch-editor: `fs.existsSync()` existence check can be bypassed on Windows

Summary launch-editor checked fs.existsSyncfileName before passing a supplied path to an editor command. On Windows, an attacker can bypass this check with a crafted path ending in \..:line:column. This removes the requirement that the attacker be able to place a file with a malicious filename...

GHSA-RVQ5-WWQV-78PQ MCP TypeScript SDK: Server bearer authentication accepted tokens issued for another service

Summary In affected versions, the SDK's server-side bearer authentication had no way to check that a token was issued for your server its audience. Where one authorization server issues tokens for several services, a valid token for another service was also accepted by your MCP server. Am I...

GHSA-HQ85-5CPJ-MR62 uv's bundled CA store trusts an emSign root whose intermediate CA keys are compromised

By default, uv verifies TLS connections against a vendored copy of the webpki-root-certs bundle. Versions before 0.13.4 include the emSign ECC Root CA - G3 root. Eight eMudhra intermediate CA certificates that chain to that root have compromised private keys, and the CA has revoked them. An...

GHSA-6Q48-6C7W-9GW2 certifi bundles emSign root CAs with compromised intermediate CA keys

Certifi versions before 2026.10.18 include the emSign ECC Root CA - G3 root certificate in their bundled CA store. Eight eMudhra intermediate CA certificates that chain to this root have compromised private keys and the CA has revoked them. An attacker with one of the compromised keys can issue...

GHSA-698V-4R3X-3VCV launch-editor: escapeCmdArgs() omits % escaping on Windows

Summary launch-editor did not escape % on Windows when passing an argument to cmd. When an environment variable contained a malicious value, it was possible that that content to be executed. Impact Only apps that match all of the following conditions are affected: - The user uses Windows - An...

GHSA-22JM-H49P-29QW MCP TypeScript SDK: Experimental tasks were not tied to the session that created them

Summary In affected versions, the experimental tasks feature taskStore did not check which session created a task. Clients sharing one InMemoryTaskStore could list, read and cancel each other's tasks. Experimental tasks are deprecated. The 2026-07-28 specification replaced them with a redesigned...

GHSA-6PRH-2H8M-C8CW MCP TypeScript client SDK: HTTP client transports and OAuth requests followed cross-origin redirects and re-sent custom headers and request bodies

Summary In affected versions, the SDK's HTTP client transports and OAuth requests followed redirects to any origin. If an MCP server or authorization server redirected a request to another origin, that origin received custom request headers such as an X-API-Key set in requestInit.headers and the...

GHSA-XF6W-Q65W-4F2W ApostropheCMS: The general public can access @apostrophecms/user objects via a relationship (viewRole is not applied to the general public)

Impact Even though it is correctly applied to guests, contributors, etc., viewRole is not applied to the general public. This means that a secured content type like @apostrophecms/user can in theory be accessed. This is greatly mitigated by the fact that there is no automatic public REST API for...

GHSA-VWWX-PX9W-CRRC ApostropheCMS: Missing Authorization on Notification PATCH/DELETE Endpoints

Summary The notification module exposes PATCH and DELETE REST endpoints that perform operations directly on the underlying MongoDB collection without verifying that the requester is authenticated or owns the target notification. As a result, an unauthenticated attacker who obtains a valid...

GHSA-97WV-P4XX-C7MG ApostropheCMS import-export tar guard misses './..' because it is a literal '../' substring test

Summary The tar-extraction guard added to @apostrophecms/import-export for GHSA-mwxc-m426-3f78 is a literal substring test for ../, and ./.. does not contain that substring. An entry named ./.. therefore passes the guard, path.join normalizes it to the parent of the export directory, and the...

GHSA-GMFX-5G6X-RR72 ApostropheCMS: Path traversal in uploadfs

Summary The uploadfs library's local storage backend does not validate or sanitize user-supplied paths. The prefixPath helper only strips double slashes // and the backend performs direct string concatenation uploadsPath + path. An attacker can inject ../ sequences to escape the intended uploads...

GHSA-374F-7CHJ-9948 ApostropheCMS sanitize-html: SMIL animation namespace-prefix bypass allows javascript: URI injection (XSS)

Summary sanitize-html 2.17.7 introduced animatesUrlAttribute to block SVG animation elements animate, animateColor, animateMotion, animateTransform, set when their attributeName targets a URL sink like href. However, this check is bypassed when the animation element uses a namespace prefix e.g.,...

GHSA-HHPH-8536-GFQ5 ApostropheCMS uploadfs Azure backend leaks account-level SAS token into every public attachment URL (sas: true)

Summary When uploadfs is configured with the Azure backend and sas: true a supported configuration introduced in uploadfs 1.25.0, createContainer builds the BlobServiceClient from a URL that embeds the full SAS query string, and Azure SDK v12 derived clients inherit that query string. As a result...

GHSA-VMXH-77CW-65J7 ApostropheCMS: Authenticated Object-Level Authorization Bypass in exist-in-locale Reveals Restricted Localized Draft Identifiers

Summary ApostropheCMS’s exist-in-locale API allows an authenticated low-privilege user to determine whether restricted documents exist in a specified locale and mode, including draft mode. The endpoint returns localized document identifiers without applying document-level view or edit authorizati...

GHSA-JQW5-W6H3-44G6 ApostropheCMS import-export: NoSQL injection via update-key value lets a crafted import match and overwrite an unidentified document

Summary @apostrophecms/import-export's update-by-key feature lets an imported document carry a :key property for example slug:key whose value is used to find an existing document to update instead of inserting a new one. getUpdateKey/insertOrUpdateDocWithKey lib/methods/import.js use that value...

GHSA-M2M5-RW3W-CWMJ ApostropheCMS: Client-side Prototype Pollution in apos.http.parseQuery leading to DOM-based XSS against authenticated users

Summary The client-side helper apos.http.parseQuery in ApostropheCMS builds a nested object from a URL query string without sanitizing the keys proto, constructor, or prototype. Parsing an attacker-controlled query string therefore writes arbitrary properties onto Object.prototype client-side...

GHSA-653J-G8J7-GH54 ApostropheCMS: No Attempt Throttling on Authenticated Password-Change Endpoint Enables Unlimited Current-Password Guessing

Summary The self-service password-change endpoint verifies the current password but does not use the login module’s failed-attempt counter, throttle, delay, or lockout mechanism. An attacker with a valid authenticated session can submit repeated guesses for the current password without receiving ...

GHSA-CV27-6WVH-8X7J ApostropheCMS: Incomplete CVE-2026-53606: `meta http-equiv=refresh` `content` still ships `javascript:` / `data:` URLs

Summary CVE-2026-53606 expanded allowedSchemesAppliedToAttributes so named URL attributes action, formaction, data, poster, background, later ping, xlink:href, … go through naughtyHref. A URL nested inside meta content http-equiv=refresh is not an attribute name on that list, so the embedded...

GHSA-GQH3-7856-RJJG ApostropheCMS: :_id/locales REST route omits the public-API authorization gate its sibling read routes enforce (unauthenticated doc-existence + locale metadata disclosure)

Summary The REST route GET /api/v1//:id/locales and the equivalent page route does not apply the publicApiCheckAsync gate that ApostropheCMS's other read routes enforce. An unauthenticated caller can therefore query this route for any document id and learn whether the document exists and which...

GHSA-2J32-Q6RX-H844 ApostropheCMS: Page REST API authorization bypass

Summary The core page REST API reads full page documents with .permissionfalse in getOne and in the all=1 tree dump, bypassing page-type viewRole, visibility: private, and visibility: loginRequired checks. Unauthenticated visitors and low-privilege contributors can read admin-only and non-public...

GHSA-527G-FF96-X6WJ ApostropheCMS: Host header controls server-side image fetch origin in @apostrophecms/ai-helper, enabling authenticated SSRF

Summary The @apostrophecms/ai-helper package builds the URL for a server-side image fetch by resolving a storage-relative path against req.baseUrl. When the site does not set a global base URL the default, req.baseUrl is derived from the incoming HTTP Host header. An authenticated editor can...

GHSA-QHCQ-9PM2-C9W9 ApostropheCMS: Unauthenticated CSV import requests leave rejected uploads in the system temporary directory

Summary A rejected upload can remain in the operating system temporary directory. Multer writes the file before its extension is checked, and the rejection path does not remove that temporary file. An unauthenticated requester can repeat this with large files and steadily consume temporary disk...

GHSA-HHVR-8M24-QQR3 ApostropheCMS: Cross-domain session token in URL confers session takeover

Summary Apostrophe's cross-domain session migration emits a single-use session token as a URL query parameter and stores it in the Mongo cache. Any client that presents the token silently adopts the target user's full session including passport.user with no credentials. Details...

GHSA-89MH-MM8C-MV7F ApostropheCMS: Unauthenticated unbounded multipart upload → disk-exhaustion DoS

Summary The form submission endpoint runs multer dest: os.tmpdir .any before authentication, API-key, CSRF-equivalent, or form-existence logic, with no size/count/rate limits. Unauthenticated users can stream unbounded bodies to disk per request; cleanup occurs only after the full body is receive...

GHSA-44QR-RRJG-2CQQ ApostropheCMS: CAPTCHA response token not URL-encoded

Summary Form and login CAPTCHA verification interpolate the user-supplied widget token unencoded into the server-side verification URL/body, allowing a crafted token to inject query parameters into the reCAPTCHA/hCaptcha verify request. Details - packages/form/lib/recaptcha.js:39 — recaptchaUri =...

GHSA-2JRP-QC93-H2J8 ApostropheCMS: Same-parent page reorder in @apostrophecms/page move() re-ranks a restricted parent's children without create authorization

Summary ApostropheCMS enforces per-type authorization on pages: a page type may declare editRole / publishRole the core @apostrophecms/archive-page does, so a project can define restricted subtrees that only higher-privileged roles may create or edit within. The move operation in the...

GHSA-J5RQ-XFVR-P969 ApostropheCMS: Authenticated projection-exclusion prototype-member deletion in @apostrophecms/db-connect causes process-wide denial of service

Summary @apostrophecms/db-connect ships an in-memory MongoDB emulation used by its SQLite, PostgreSQL, and multipostgres adapters. Its unsetNestedField helper walks an attacker-controlled dotted field path with no segment validation and calls delete on the resolved property. A low-privileged...

GHSA-X3Q4-9HXX-GX8M ApostropheCMS sanitize-html: nonTextTags discard region ends early on an implied close, letting <noscript> content render

Summary sanitize-html discards the content of every element in nonTextTags. It delimits that region using htmlparser2's close events, and ignores the isImplied flag htmlparser2 passes it. Closing a still-open ancestor from inside a makes htmlparser2 unwind its stack past the noscript; the synthet...

GHSA-Q3JH-WRC6-JGQ8 follow-redirects array-form headers bypass cross-origin credential stripping

Summary follow-redirects removes sensitive credential headers Authorization, Proxy-Authorization, Cookie, and any caller-declared sensitiveHeaders before following a redirect that crosses to a different host or downgrades to a less secure protocol. The removal routine iterates the caller's header...

GHSA-8R9P-F939-6H3C follow-redirects sensitiveHeaders regex escaping can expose credential headers

Summary follow-redirects 1.16.0 introduced the sensitiveHeaders option the fix for CVE-2026-40895 / GHSA-r4q5-vmmm-2653, which lets an application declare extra header names that must be removed when a redirect crosses to a different host or downgrades protocol. The filter is a single...

GHSA-57XQ-RJX2-V5XH @angular/router: Denial of Service via RouterLink Query Parameter Retention in Server-Side Rendering (SSR)

A denial of service DoS vulnerability was identified in @angular/router when Server-Side Rendering SSR is enabled on Node.js V8 and RouterLink directives are rendered with queryParamsHandling: 'merge' or 'preserve', configured either per link or globally via defaultQueryParamsHandling. Starting i...

GHSA-62VG-58RM-QFF7 @angular/router: Denial of Service via Unmatched Empty-Path Outlet Route Matching in Server-Side Rendering (SSR)

A denial of service DoS vulnerability was identified in @angular/router when Server-Side Rendering SSR is enabled on Node.js V8. During route recognition, @angular/router fails to validate whether an auxiliary outlet segment in the URL matches a route configured for that specific outlet name...

GHSA-5R4P-P66F-JHC7 Hono: `serveStatic` decodes the request path a second time, leading to bypass of middleware on static paths

Summary serveStatic decodes the request path a second time after Hono has already decoded it for routing. A crafted request can be routed as one path and served as another, so middleware mounted on a static prefix does not run for a file under that prefix. Details Hono decodes the request path on...

GHSA-W739-GVWX-GRC3 @angular/platform-server: Open Redirect via Protocol-Relative URLs in Server-Side Rendering (SSR)

An open redirect vulnerability was identified in @angular/platform-server when Server-Side Rendering SSR is enabled. When Angular SSR renders an incoming request, URL resolution and platform navigation are managed by ServerPlatformLocation using resolveUrl or parseUrl in v20. While resolveUrl...

GHSA-R7FV-28H4-CVQ7 markdown-it: Quadratic complexity in smartquotes with unmatched closing quotes

Impact When typographer: true is enabled, specially crafted Markdown can cause quadratic processing time in the smartquotes rule, potentially leading to denial of service in applications processing untrusted input. Many opening double quotes followed by unmatched closing single quotes cause...

GHSA-259R-337F-4RFW Compress/s2: Integer Overflow or Wraparound and Out-of-bounds Write in compress

Signed Integer Overflow in s2.NewDict Summary A signed integer overflow vulnerability in s2.NewDict allows an attacker to bypass repeat index validation by supplying a dictionary with a uvarint-encoded repeat value exceeding MaxInt64. When Dict.Encode is subsequently called, the overflowed negati...

GHSA-6WMF-3R64-VCWV Crass : Large numeric exponents cause CPU and memory denial of service

Impact Crass converts CSS scientific notation number values with unbounded exponentiation before it clamps the result to Float::MAX. Applications that use Crass to parse attacker-controlled CSS strings can be forced to spend disproportionate CPU and memory parsing a tiny input, possibly resulting...

GHSA-WQMH-QCCW-PQWF MLflow FileStore trace IDs allow path traversal and arbitrary file writes

MLflow 3.17.1 and earlier contains a path traversal vulnerability in the FileStore tracking backend that allows unauthenticated attackers to control filesystem paths by submitting a crafted trace ID containing traversal sequences to the POST /api/3.0/mlflow/traces endpoint. Attackers can exploit...

GHSA-5WR8-GCQF-GQF3 aiohttp server lacks an initial request/header timeout

Summary The keepalive timeout was not used during the initial portion of a request. Impact An attacker could keep an idle connection open indefinitely before sending any data. Workaround Use a reverse proxy as recommended for all production deployments with sensible keepalive limits...

GHSA-494J-54XM-RWP3 AIOHTTP: Secure attribute not enforced for shared cookie

Summary The Secure attribute was not being enforced for the shared cookie. Impact It may be possible to send a shared cookie marked Secure through an unencrypted request...

GHSA-4WC5-F2RC-Q74M russh: Unbounded memory allocation in agent protocol server via crafted constraint records

Summary russhkeys::agent::server::addkey russh/src/keys/agent/server.rs:271-319 spawns a dedicated tokio task for every 5-byte SSHAGENTCONSTRAINLIFETIME record attached to an added key, each cloning the key blob and sleeping for the declared lifetime up to 136 years. The loop has no per-request...

GHSA-J7H2-66J4-GHJF A russh SSH server accepts a publickey authentication whose signature uses a different algorithm than the one named in the request

Details In russh/src/server/encrypted.rs, serverreadauthrequestpk 0.63.3, around lines 880-990: The requested algorithm name pubkeyalgo is read and only used to decode the key: PublicKeyOrCertificate::decode&pubkeyalgo, &pubkeykey. The derived hashalg is then dropped...