Bleach: URI sanitization allows disallowed URI schemes with Unicode > U+00A0 in output

Impact A possible XSS bypass affects users calling bleach.clean with all of: a in the allowed tags href in allowed attributes The bleach.clean sanitizer outputs URIs containing disallowed scheme patterns that it should be stripping. However, because the inserted Unicode characters make the scheme...

pypdf: Possible infinite loop when processing outlines/bookmarks in writer

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with outlines into a writer. Patches This has been fixed in pypdf==6.13.0. Workarounds If you cannot upgrade yet, consider applying the changes from PR 3830...

pypdf: Possible infinite loop when retrieving fonts for layout-mode text extraction

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires extracting the text in layout mode. Patches This has been fixed in pypdf==6.13.0. Workarounds If you cannot upgrade yet, consider applying the changes from PR 3830...

Astro: Reflected XSS via unescaped slot name

Summary When a component uses a client: directive, Astro inserts named slot content into a data-astro-template attribute without HTML escaping the slot name allowing an attacker to break out of the attribute context and inject arbitrary HTML, resulting in reflected XSS during SSR. This is similar...

Nuxt: Reflected XSS in `<NuxtLink>` via unsanitised `javascript:` or `data:` URL

Summary did not validate the URL scheme of values bound to its to or href props before rendering them into the href attribute of the underlying element. When an application binds attacker-controlled input a query parameter, a CMS field, a user-supplied profile URL to or :href, the attacker can...

Nuxt dev server vite-node IPC socket is world-connectable on Linux

Impact When running nuxt dev on Linux Node.js 20+, outside Docker / StackBlitz, Nuxt's internal vite-node IPC server binds to a Linux abstract-namespace Unix socket \0nuxt-vite-node--.sock. Abstract sockets have no filesystem inode and therefore no permission bits: any local UID on the host that...

Nuxt: Route-rule middleware bypass via case-sensitivity mismatch between vue-router and the routeRules matcher

Impact Nuxt looks up routeRules for the current navigation by calling getRouteRules path: to.path from the page-router plugin and the no-pages router plugin. The compiled routeRules matcher built on rou3 performs case-sensitive matching, while vue-router is configured with its default sensitive:...

Nuxt: URL-handling weaknesses in `navigateTo` and `reloadNuxtApp`: SSR open redirect, client-side script execution via the `open` option, and protocol-relative bypass in `reloadNuxtApp`

Summary Three weaknesses in Nuxt's client-navigation URL handling, all reachable from documented public APIs navigateTo and reloadNuxtApp: 1. CVE-2026-56326 SSR open redirect in navigateTo via path-normalisation bypass. navigateTo decided whether a target was external by inspecting the raw input...

pypdf: Possible large memory usage for form XObjects during text extraction

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. Patches This has been fixed in pypdf==6.12.2. Workarounds If you cannot upgrade yet, consider applying...

pypdf: Inefficient decoding of FlateDecode PNG predictor streams

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /FlateDecode filter with a PNG predictor. Patches This has been fixed in pypdf==6.12.2. Workarounds If you cannot upgrade yet, consider applying the changes...

pypdf: Manipulated XMP metadata streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing large XMP metadata, possibly with lots of unnecessary elements. Patches This has been fixed in pypdf==6.12.1. Workarounds If you cannot upgrade yet, consider applying the change...

Filestash allows attackers to escalate privileges via sending a crafted request

Incorrect access control in the /admin/api/config component of Filestash v0.4.0 allows attackers to escalate privileges via sending a crafted request...

statping-ng allows attackers to escalate privileges to Administrator and access sensitive components

Incorrect access control in statping-ng v0.93.0 allows attackers to escalate privileges to Administrator and access sensitive components...

Project Firefly III has incorrect access control in the webhook management component

Incorrect access control in the webhook management component of Project Firefly III v6.5.9 allows attackers to scan internal resources via a crafted POST request...

YouTransfer has an issue in the sendmail transport integration that allows arbitrary code execution

An issue in the sendmail transport integration component of YouTransfer v1.0.6 allows attackers to execute arbitrary code via supplying a crafted request...

Koillection has an authenticated Server-Side Request Forgery issue

An authenticated Server-Side Request Forgery SSRF in the custom scraper subsystem component of Benjamin Jonard Koillection v1.8.0 allows attackers to scan internal resources via supplying a crafted URL...

linx-server has an issue in the uploadPostHandler component that allows attackers to cause a Denial of Service (DoS) via a crafted POST request

An issue in the uploadPostHandler component of Andrei Marcu linx-server v2.3.8 allows attackers to cause a Denial of Service DoS via a crafted POST request...

shlink has a Server-Side Request Forgery issue

A Server-Side Request Forgery SSRF in the automatic short URL title resolution component of shlink v5.0.1 allows attackers to scan internal resources via supplying a crafted longUrl...

Spring Cloud Sleuth instrumentation of Spring TX DoS vulnerability

In Spring Cloud Sleuth, it is possible for a user to provide specially crafted calls that may cause a denial-of-service DoS condition. The application is vulnerable when it uses a vulnerable version of org.springframework.cloud:spring-cloud-sleuth-instrumentation and Spring TX instrumentation is...

Spring AI vector store metadata filtering to handle special characters in Elasticsearch, OpenSearch, and GemFire Vector Stores

In Spring AI Vector Stores, special characters could be used to force the execution of arbitrary queries in Elasticsearch, OpenSearch, and GemFire VectorDB. Affected components: spring-ai-elasticsearch-store, spring-ai-opensearch-store, spring-ai-gemfire-store. Affected versions: Spring AI 1.0.0...

SNMP4J-Agent allows a remote attacker to execute arbitrary code via the snmp4jCfgStoragePath component

An issue in SNMP4J-Agent 3.8.3 allows a remote attacker to execute arbitrary code via the snmp4jCfgStoragePath component...

Remotion: arbitrary file write vulnerability

remotion-dev remotion v4.0.409 was discovered to contain an arbitrary file write vulnerability...

Remotion: remote code execution (RCE) vulnerability

remotion-dev remotion v4.0.409 was discovered to contain a remote code execution RCE vulnerability...

Nuxt: Dev server discloses project absolute path and persistent workspace UUID via `/.well-known/appspecific/com.chrome.devtools.json`

Summary When running nuxt dev, Nuxt registers an unauthenticated route at /.well-known/appspecific/com.chrome.devtools.json that returns the absolute filesystem path of the project root and a per-project UUID persisted to nodemodules/.cache/nuxt/chrome-workspace.json. The route is enabled by...

aws-cdk-lib: OS Command Injection in NodejsFunction Bundling

Summary AWS CDK aws-cdk-lib is an open-source framework for defining cloud infrastructure in code and provisioning it through AWS CloudFormation. OS command injection in the NodejsFunction local bundling pipeline in aws-cdk-lib before 2.245.0 2.246.0 on Windows might allow a threat actor who...

Netty susceptible to HTTP/2 Reset Attack with different on-the-wire signature

Summary Netty HTTP/2 max header size handling produces attack similar to HTTP/2 Rapid Reset. Details There is a setting in the http2 specification called SETTINGSMAXHEADERLISTSIZE. According to the RFC: “This advisory setting informs a peer of the maximum field section size that the sender is...

Netty: HttpObjectDecoder skips arbitrary initial control characters when only initial CRLF characters are permitted

Summary Before reading the first request-line, HttpObjectDecoder skips every byte for which Character.isISOControlb is true 0x00–0x1F and 0x7F as well as all whitespace. RFC 9112 §2.2 only asks servers to ignore empty CRLF lines preceding the request-line — a carefully scoped robustness allowance...

Netty: Unbounded pre-allocation in RedisArrayAggregator from RESP array length

Summary RedisArrayAggregator pre-allocates ArrayList with initial capacity equal to the RESP array element count declared in an array header. That count is taken from the wire before the corresponding child messages exist. A small malicious header can claim a huge initial capacity. Details The...

Netty: Wrapping plain trust manager silently disables hostname verification

SimpleTrustManagerFactory.engineGetTrustManagers and related paths wrap any user-supplied plain X509TrustManager in X509TrustManagerWrapper, which extends X509ExtendedTrustManager but implements the 3-arg checkServerTrustedchain, authType, SSLEngine by discarding the SSLEngine and calling the 2-a...

Netty: QUIC stateless reset token material exposed through header-visible connection IDs

Summary Netty QUIC exposes the stateless reset token on the network path when using the default HMAC-based connection-ID and stateless-reset-token generators. The reset token for the server's current source connection ID can be derived from bytes that appear as the connection ID in QUIC headers...

Netty HTTP/3 QPACK Blocked Streams Memory Exhaustion

Summary A memory exhaustion vulnerability in the Netty HTTP/3 codec allows the creation of an infinite number of blocked streams, which can cause OOM error. Details The vulnerability exists in io.netty.handler.codec.http3.QpackDecodershouldWaitForDynamicTableUpdates: If a client sends a header...

markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations

Summary A quadratic time complexity vulnerability exists in markdown-it's smartquotes rule enabled via the typographer: true option. An attacker can craft a markdown input consisting of consecutive quotation marks that causes the parser to consume excessive CPU time, leading to denial of service...

Starlette: request.form() limits silently ignored for application/x-www-form-urlencoded enable DoS

Summary request.form accepts maxfields and maxpartsize to bound resource consumption while parsing form data. These limits are enforced for multipart/form-data, but silently ignored for application/x-www-form-urlencoded. An unauthenticated attacker can therefore send a urlencoded body with an...

OpenTelemetry Core: Unbounded memory allocation in W3C Baggage propagation

Overview W3CBaggagePropagator.extract in @opentelemetry/core does not enforce size limits when parsing inbound baggage HTTP headers. The W3C Baggage specification recommends a maximum of 8,192 bytes and 180 entries; these limits were only enforced on the outbound inject path, not on the inbound...

Starlette: Unvalidated request path concatenated into authority poisons request.url.hostname

Summary In affected versions, the HTTP request path is not validated before being used to reconstruct request.url. Because request.url is rebuilt by concatenating scheme://hostpath and re-parsing the result, a path that does not begin with / for example @google.com moves the authority boundary...

Tornado: CurlAsyncHTTPClient leaks per-request credentials on handle reuse

CurlAsyncHTTPClient leaks per-request credentials on handle reuse Summary CurlAsyncHTTPClient pools and reuses pycurl handles across requests but does not reset them between requests, and several per-request options are applied with no clearing branch. As a result, sensitive state set by one...

Nest: Middleware Bypass on Fastify via Trailing Slash

Impact An authentication bypass vulnerability exists in @nestjs/platform-fastify confirmed on version 11.1.24, the latest available release at time of report. When middleware is registered through NestJS's MiddlewareConsumer.forRoutes API on the Fastify adapter, an unauthenticated client can bypa...

python-multipart: Quadratic-time querystring parsing with semicolon separators causes CPU denial of service

Summary When parsing application/x-www-form-urlencoded bodies, QuerystringParser located the field separator with a two step lookup: it first scanned the entire remaining buffer for &, and only when no & existed anywhere ahead did it fall back to scanning for ;. For a body that uses ; as the...

python-multipart: Negative Content-Length in parse_form buffers the entire body in memory

Summary parseform did not validate the Content-Length header before using it to bound its chunked read of the request body. A negative Content-Length turned the bounded read into a read-until-EOF, so the entire body was loaded into memory in a single read instead of in fixed-size chunks. Details...

python-multipart: Semicolon treated as querystring field separator enables parameter smuggling

Summary QuerystringParser treated ; as a field separator in application/x-www-form-urlencoded bodies, in addition to &. The WHATWG URL standard, modern browsers, and Python's urllib.parse since the CVE-2021-23336 fix treat only & as a separator. This creates a parser differential: the same bytes...

python-multipart: Content-Disposition parameter smuggling via RFC 2231/5987 extended parameters

Summary parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=..., and the filename0/filename1 continuation form is decoded and surfaced...

Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow

Impact Most apps will crash and some may perform incorrect buffer allocations in the Node.js Buffer API resulting in unexpected truncation or allocation. Workarounds No workarounds. Do not use these impacted Electron releases Fixed Versions 42.3.3 For more information If you have any questions or...

Tornado: Authorization header forwarded across cross-origin redirects in SimpleAsyncHTTPClient

Summary When SimpleAsyncHTTPClient follows a 3xx redirect, it shallow-copies the original HTTPRequest, rewrites the URL, decrements maxredirects, and removes only the Host header. It does not clear Authorization, authusername, authpassword, or authmode when the redirect target changes origin. As ...

tornado AsyncHTTPClient accumulates decompressed chunks without size limit (gzip bomb)

Tornado's gzip decompression routines work in limited-size chunks, but have no overall limit for the total size of decompressed chunks that they will accumulate There has always been a limit for the total compressed size. This allows a malicious server to consume effectively unlimited amounts of...

Starlette: SSRF and NTLM credential theft via UNC paths in StaticFiles on Windows

Summary When serving static files on Windows, StaticFiles resolves the requested path with os.path.realpath. If a UNC path such as \attacker.com\share reaches the resolver, realpath causes the process to open a connection to the remote host over SMB port 445. This is a server-side request forgery...

Starlette: Arbitrary HTTP method dispatched to `HTTPEndpoint` attributes via `getattr`

Summary When dispatching a request, HTTPEndpoint selects the handler by lowercasing the HTTP method and looking it up as an attribute with getattr, without restricting the lookup to a known set of HTTP verbs. When an HTTPEndpoint subclass is registered through Route... without an explicit methods...

UAParser.js: Unbounded `Sec-CH-UA-Model` parsing can trigger ReDoS in `withClientHints()`

Summary A regular expression denial-of-service ReDoS vulnerability has been discovered in ua-parser-js when using the Client Hints API. By sending a crafted Sec-CH-UA-Model header to an application that calls UAParserheaders.withClientHints, an attacker can cause the parser to spend excessive CPU...

protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names

Summary A previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when generating static output from crafted JSON descriptor input. The common case of parsing schemas fro...

protobufjs: Memory amplification from preserved unknown fields in binary decode

Summary protobufjs 8.2.0 added support for preserving unknown fields encountered during binary decode. Affected versions preserved unknown wire elements in message.$unknowns and did not provide a decode-time option to discard unknown fields before retaining them. A crafted protobuf payload...

DOMPurify: Trusted Types policy survives `clearConfig()` and can poison later `RETURN_TRUSTED_TYPE` output

Impact A DOMPurify instance that is reused across trust boundaries can stay bound to a previously supplied TRUSTEDTYPESPOLICY even after clearConfig is called. A later caller that requests RETURNTRUSTEDTYPE receives a TrustedHTML object created by the old policy, not by a clean default...