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vercel

76 known vulnerabilities.

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  • Medium 6.1

    Vercel deepsec before 1.1.17 Arbitrary File Write via Symlink in Sandbox Tarball Extraction

    Vercel deepsec from 0.1.0 before 1.1.17 contains a link following vulnerability in extractTarballLocally that allows sandboxed code to write files outside the sandbox by planting links in result tarballs. Attackers controlling sandbox code, such as a prompt-i…

  • Medium 6.3

    Next.js: Cache poisoning in Next.js SSG/ISR rendering leads to cross-user content substitution and persistent denial of service

    Next.js is a React framework for building full-stack web applications. From 15.0.0 until 15.5.27 and 16.3.8, applications with a root-level catch-all page and statically generated or Incremental Static Regeneration routes can use a shared response cache key t…

  • Medium 6.3

    Next.js: Information disclosure in Next.js App Router metadata image routes via dynamicParams bypass

    Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8, the `next dev` development server exposes a Model Context Protocol endpoint without reliably restricting cross-site requests. A malicious website visited by a dev…

  • Medium 6.3

    Next.js: Cache poisoning of SSG and ISR pages in self-hosted Next.js applications

    Next.js is a React framework for building full-stack web applications. From 15.0.0 until 15.5.27 and 16.3.8, self-hosted applications using the Pages Router with statically generated or Incremental Static Regeneration pages can key a response cache entry with…

  • Medium 6.3

    Next.js: Pending `use cache` fill can leak Draft Mode content into regular responses and persisted pages

    Next.js is a React framework for building full-stack web applications. From 16.3.0 until 16.3.8, pending use cache fills for the same key are shared without separating Draft Mode requests from regular requests. An overlapping regular request can receive unaut…

  • Medium 6.3

    next.js cache leak on warm `use cache` handlers accessing root param

    Next.js versions from 16.3.0 to 16.3.7 warm `use cache` handlers using `next/root-params` and can leak their return value to pages with different root params. With Cache Components enabled (cacheComponents: true), a 'use cache' function that calls another 'us…

  • Medium 5.3
    CVE-2026-94545 Public exploit

    Satori-generated SVG has improper escaping

    Satori is a library to convert HTML and CSS to SVG. Starting in version 0.0.27 and prior to version 0.33.5, Satori does not properly escape certain values before including them in generated SVG output. This can allow crafted values to be interpreted as SVG ma…

  • Medium 6.0

    Next.js: Response Body Cache Confusion for Requests Containing Bodies

    Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, a server-side fetch with a request body may return a cached response body from a different request to the same URL but differ…

  • Medium 6.3

    Next.js: Response Body Cache Confusion with Invalid UTF-8 Request Bodies

    Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, a server-side fetch with a request body may return a cached response body from a different request to the same URL but differ…

  • Medium 6.3

    Next.js: Unbounded Server Action payload in Edge runtime

    Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consump…

  • Medium 6.3

    Next.js: Denial of Service in the Image Optimization API using SVGs

    Next.js is a React framework for building full-stack web applications. In versions 15.5.0 through 15.5.20 and 16.0.0 through 16.2.10, when self-hosting Next.js with the default image loader, the Image Optimization API can optimize remotely hosted images if co…

  • Medium 6.3

    Next.js: Unauthenticated Disclosure of Internal Server Function endpoints

    Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions (use server) or use cache endpoints can be disclosed bypassing any auth…

  • Medium 6.3

    AI SDK Codex Harness Tool Relay Authorization Bypass

    The `@ai-sdk/harness-opencode` tool is an HarnessV1 adapter backed by @openai/codex-sdk, which drives the codex command line interface. Prior to version 1.0.29, the tool relay authorizes requests from any process whose command line contains an allowed helper …

  • Medium 6.3

    AI SDK OpenCode Harness Tool Relay Authorization Bypass

    The `@ai-sdk/harness-opencode` tool connects HarnessAgent to OpenCode through a sandboxed bridge. Prior to version 1.0.28, the tool relay authorizes requests from any process whose command line contains an allowed helper script path (`host-tool-mcp.mjs`). Thi…

  • Medium 4.3

    vercel ai provider-utils response-handler.ts createJsonErrorResponseHandler resource consumption

    A vulnerability was determined in vercel ai up to 3.0.97. The impacted element is the function createJsonResponseHandler/createJsonErrorResponseHandler of the file packages/provider-utils/src/response-handler.ts of the component provider-utils. This manipulat…

  • Medium 5.0

    vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection

    A vulnerability has been found in vercel ai up to 3.0.97. Impacted is the function run of the file .github/workflows/prettier-on-automerge.yml of the component PR Branch Name Interpolation. The manipulation leads to os command injection. The attack can be ini…

  • Medium 5.1

    Turborepo: Login callback CSRF/session fixation

    Turborepo is a high-performance build system for JavaScript and TypeScript codebases. Prior to 2.9.14, Turborepo's self-hosted login and SSO browser flows did not validate a CSRF state value on the localhost callback. While the CLI was waiting for authenticat…

  • Medium 4.7

    Next.js: Cross-site scripting in App Router applications using CSP nonces

    Next.js is a React framework for building full-stack web applications. From 13.4.0 to before 15.5.16 and 16.2.5, App Router applications that rely on CSP nonces can be vulnerable to stored cross-site scripting when deployed behind shared caches. In affected v…

  • Medium 6.1

    Next.js: Cross-site scripting in beforeInteractive scripts with untrusted input

    Next.js is a React framework for building full-stack web applications. From 13.0.0 to before 15.5.16 and 16.2.5, applications that use beforeInteractive scripts together with untrusted content can be vulnerable to cross-site scripting. In affected versions, s…

  • Medium 5.9

    Next.js: Denial of Service in the Image Optimization API

    Next.js is a React framework for building full-stack web applications. From 10.0.0 to before 15.5.16 and 16.2.5, when self-hosting Next.js with the default image loader, the Image Optimization API fetches local images entirely into memory without enforcing a …

  • Medium 5.4

    Next.js: Cache poisoning in React Server Component responses

    Next.js is a React framework for building full-stack web applications. From 14.2.0 to before 15.5.16 and 16.2.5, applications using React Server Components can be vulnerable to cache poisoning when shared caches do not correctly partition response variants. U…

  • Medium 5.5

    Vercel: Non-interactive mode includes CLI arguments in suggested command output

    Vercel’s AI Cloud is a unified platform for building modern applications. From 50.16.0 to 52.0.0, hen the Vercel CLI runs in non-interactive mode (--non-interactive or auto-detected AI agent), commands that cannot complete autonomously emit JSON payloads with…

  • Medium 6.3
    CVE-2026-29057 Public exploit

    Next.js: HTTP request smuggling in rewrites

    Next.js is a React framework for building full-stack web applications. Starting in version 9.5.0 and prior to versions 15.5.13 and 16.1.7, when Next.js rewrites proxy traffic to an external backend, a crafted `DELETE`/`OPTIONS` request using `Transfer-Encodin…

  • Medium 6.9

    Next.js: Unbounded next/image disk cache growth can exhaust storage

    Next.js is a React framework for building full-stack web applications. Starting in version 10.0.0 and prior to version 16.1.7, the default Next.js image optimization disk cache (`/_next/image`) did not have a configurable upper bound, allowing unbounded cache…

  • Medium 6.9

    Next.js: Unbounded postponed resume buffering can lead to DoS

    Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, a request containing the `next-resume: 1` header (corresponding with a PPR resume request) would buffer request bodies without consi…

  • Medium 5.3
    CVE-2026-27978 Public exploit

    Next.js: null origin can bypass Server Actions CSRF checks

    Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, `origin: null` was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts (s…

  • Medium 5.9

    Next.js has Unbounded Memory Consumption via PPR Resume Endpoint

    A denial of service vulnerability exists in Next.js versions with Partial Prerendering (PPR) enabled when running in minimal mode. The PPR resume endpoint accepts unauthenticated POST requests with the `Next-Resume: 1` header and processes attacker-controlled…

  • Medium 5.9

    Next.js self-hosted applications vulnerable to DoS via Image Optimizer remotePatterns configuration

    A denial of service vulnerability exists in self-hosted Next.js applications that have `remotePatterns` configured for the Image Optimizer. The image optimization endpoint (`/_next/image`) loads external images entirely into memory without enforcing a maximum…

  • Medium 6.9

    Nuxt DevTools vulnerable to cross-site scripting (XSS)

    A vulnerability in Nuxt DevTools has been fixed in version **2.6.4***. This issue may have allowed Nuxt auth token extraction via XSS under certain configurations. All users are encouraged to upgrade. More details: https://vercel.com/changelog/cve-2025-52662-…

  • Medium 6.2

    Next.js Affected by Cache Key Confusion for Image Optimization API Routes

    Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, Next.js Image Optimization API routes are affected by cache key confusion. When images returned from API routes vary based on r…

  • Medium 4.3

    Next.js Content Injection Vulnerability for Image Optimization

    Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, Next.js Image Optimization is vulnerable to content injection. The issue allowed attacker-controlled external image sources to …

  • Medium 6.5

    Next.js Improper Middleware Redirect Handling Leads to SSRF

    Next.js is a React framework for building full-stack web applications. Prior to versions 14.2.32 and 15.4.7, when next() was used without explicitly passing the request object, it could lead to SSRF in self-hosted applications that incorrectly forwarded user-…

  • Medium 4.3

    vercel hyper rimraf-standalone.js ignoreMap redos

    A vulnerability classified as problematic has been found in vercel hyper up to 3.4.1. This affects the function expand/braceExpand/ignoreMap of the file hyper/bin/rimraf-standalone.js. The manipulation leads to inefficient regular expression complexity. It is…

  • Medium 6.5

    Information Disclosure via Flags override link

    Flags SDK is an open-source feature flags toolkit for Next.js and SvelteKit. Impacted versions include flags from 3.2.0 and prior and @vercel/flags from 3.1.1 and prior as certain circumstances allows a bad actor with detailed knowledge of the vulnerability t…

  • Medium 5.3

    Next.js Vulnerable to Denial of Service (DoS) with Server Actions

    Next.js is a React framework for building full-stack web applications. Starting in version 13.0.0 and prior to versions 13.5.8, 14.2.21, and 15.1.2, Next.js is vulnerable to a Denial of Service (DoS) attack that allows attackers to construct requests that lea…

  • Medium 5.9

    Next.js image optimization has Denial of Service condition

    Next.js is a React Framework for the Web. Cersions on the 10.x, 11.x, 12.x, 13.x, and 14.x branches before version 14.2.7 contain a vulnerability in the image optimization feature which allows for a potential Denial of Service (DoS) condition which could lead…

  • Medium 6.6

    Local Privilege Escalation in execuatables bundled by pkg

    pkg is tool design to bundle Node.js projects into an executables. Any native code packages built by `pkg` are written to a hardcoded directory. On unix systems, this is `/tmp/pkg/*` which is a shared directory for all users on the same local system. There is…

  • Medium 4.3

    vercel ms index.js parse redos

    A vulnerability, which was classified as problematic, has been found in vercel ms up to 1.x. This issue affects the function parse of the file index.js. The manipulation of the argument str leads to inefficient regular expression complexity. The attack may be…

  • Medium 5.3

    Unexpected server crash in Next.js version 12.2.3

    Next.js is a React framework that can provide building blocks to create web applications. All of the following must be true to be affected by this CVE: Next.js version 12.2.3, Node.js version above v15.0.0 being used with strict `unhandledRejection` exiting A…

  • Medium 5.9

    Improper CSP in Image Optimization API for Next.js

    Next.js is a React framework. Starting with version 10.0.0 and prior to version 12.1.0, Next.js is vulnerable to User Interface (UI) Misrepresentation of Critical Information. In order to be affected, the `next.config.js` file must have an `images.domains` ar…