Open WebUI: Any authenticated user can reach the Azure platform channel via server-side web fetch

Summary Open WebUI fetches user-supplied URLs on the server for RAG URL ingestion and web search, and screens the resolved addresses so internal destinations cannot be reached. That screen decided whether a destination was external by asking Python's standard library whether the address is global...

GHSA-5X7X-4C3C-QF5W Open WebUI: Server-side fetches reach blocked and internal hosts via unvalidated HTTP redirect targets

Summary Open WebUI protects server-side web fetches with two controls: the operator's list of excluded hosts, and a check that refuses private and internal addresses. Neither control was applied to the destination of an HTTP redirect. On a deployment where redirect following is enabled, any...

CVE-2026-88001

Open WebUI versions 0.9.5 through 0.11.1 contained a server-side request forgery (SSRF) weakness in its web-fetch functionality. When AIOHTTP_CLIENT_ALLOW_REDIRECTS was enabled, HTTP redirect destinations were not revalidated against WEB_FETCH_FILTER_LIST or private-address controls. An authentic...

CVE-2026-88001 Open WebUI: Server-side fetches reach blocked and internal hosts via unvalidated HTTP redirect targets

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.5 until 0.11.1, server-side web fetches did not reapply WEBFETCHFILTERLIST or private-address controls to HTTP redirect destinations when AIOHTTPCLIENTALLOWREDIRECTS was enabled. An authenticated user...

CVE-2026-87999 Open WebUI: Any authenticated user can reach the Azure platform channel via server-side web fetch

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.1, POST /api/v1/retrieval/process/web and POST /api/v1/retrieval/process/web/search in backend/openwebui/retrieval/web/utils.py treated Python's globally routable address classification as proof th...

CVE-2026-87999 Open WebUI: Any authenticated user can reach the Azure platform channel via server-side web fetch

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.1, POST /api/v1/retrieval/process/web and POST /api/v1/retrieval/process/web/search in backend/openwebui/retrieval/web/utils.py treated Python's globally routable address classification as proof th...

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Flextype CMS version 1.0.0-alpha.3 contains a stored server-side request forgery SSRF vulnerability in its shortcode-processing functionality. Attacker-controlled entry fields can be automatically processed by Flextype's shortcode parser. The built-in fetch shortcode accepts an attacker-controlle...

CVE-2026-55421

Open edX Platform enables the authoring and delivery of online learning at any scale. Prior to commit 00b7c3c, the endpoint accepts user-supplied files.url, performs a server-side fetch using "requests.geturl, allowredirects=True". The fetched bytes are then returned inside a ZIP response. This...

next: Next.js: Information disclosure via server-side fetch cache

A flaw was found in Next.js. A remote attacker could exploit a vulnerability in the server-side fetch mechanism, where a request with a body might receive a cached response intended for a different request to the same URL but different body. This could lead to the unauthorized disclosure of...

CVE-2026-73307

Budibase CVE-2026-73307 affects the open-source platform prior to version 3.39.4. The issue arises from a bare server-side fetch used by uploadUrl in fileUtils.ts for string attachment values passed by processAttachments in AI table generation (rows.ts). A builder could cause an attachment to ref...

CVE-2026-71280 go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch

go-shiori's DownloadBookmark internal/core/download.go fetches a caller-supplied bookmark URL using a plain http.Client with no custom DialContext or destination-IP validation no IsLoopback, IsPrivate, IsUnspecified, or IsLinkLocalUnicast checks...

EUVD-2026-53355

Stirling-PDF's POST /api/v1/convert/url/pdf endpoint ConvertWebsiteToPDF.java was not updated with the CustomHtmlSanitizer/SsrfProtectionService SSRF protections that were added to three sibling conversion endpoints html/pdf, file/pdf, markdown/pdf. The endpoint validates only that the initial...

CVE-2026-71246

Pixelfed's SearchController behind the auth middleware accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP...

EUVD-2026-53319

Pixelfed's SearchController behind the auth middleware accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP...

CVE-2026-71246 Pixelfed - Authenticated SSRF via Remote URL Search

Pixelfed's SearchController behind the auth middleware accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP...

CVE-2026-71246

Pixelfed's SearchController behind the auth middleware accepts a URL via its remote-search parameters and fetches it server-side through ActivityPubFetchService, whose validateUrl only blocks the literal hosts 127.0.0.1, localhost, and ::1 and requires https, without checking the resolved IP...

Linux Distros Unpatched Vulnerability : CVE-2026-64648

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2026-64647

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-64647

A flaw was found in Next.js. This vulnerability allows a remote attacker to potentially access confidential data. When a server-side fetch processes a request with a body using a non-UTF-8 character set, it may incorrectly return a cached response body from a different request to the same URL but...

CVE-2026-64648

A flaw was found in Next.js. A remote attacker could exploit a vulnerability in the server-side fetch mechanism, where a request with a body might receive a cached response intended for a different request to the same URL but different body. This could lead to the unauthorized disclosure of...