CVE-2026-39371 | redwoodjs sdk up to 1.0.5 GET Request serverAction cross-site request forgery (GHSA-x8rx-789c-2pxq)

VDB-355960 · CVE-2026-39371 · GHSA-X8RX-789C-2PXQ REDWOODJS SDK UP TO 1.0.5 GET REQUEST SERVERACTION CROSS-SITE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.1 $0-$5k 2.54 Summaryinfo A vulnerability labeled as problematic has been found in redwoodjs sdk up to 1.0.5. Affected by this vulnerability is the function serverAction of the component GET Request Handler. Executing a manipulation can lead to cross-site request forgery. This vulnerability is registered as CVE-2026-39371. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded. Detailsinfo A vulnerability classified as problematic was found in redwoodjs sdk up to 1.0.5. This vulnerability affects the function serverAction of the component GET Request Handler. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. CVE summarizes: RedwoodSDK is a server-first React framework. From 1.0.0-beta.50 to 1.0.5, erver functions exported from "use server" files could be invoked via GET requests, bypassing their intended HTTP method. In cookie-authenticated applications, this allowed cross-site GET navigations to trigger state-changing functions, because browsers send SameSite=Lax cookies on top-level GET requests. This affected all server functions -- both serverAction() handlers and bare exported functions in "use server" files. This vulnerability is fixed in 1.0.6. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-39371 since 04/06/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. Upgrading to version 1.0.6 eliminates this vulnerability. Productinfo Vendor redwoodjs Name sdk Version 1.0.0 1.0.1 1.0.2 1.0.3 1.0.4 1.0.5 Website Product: https://github.com/redwoodjs/sdk/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.2 VulDB Meta Temp Score: 6.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.1 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross-site request forgery CWE: CWE-352 / CWE-862 / CWE-863 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: sdk 1.0.6 Timelineinfo 04/06/2026 CVE reserved 04/07/2026 +1 days Advisory disclosed 04/07/2026 +0 days VulDB entry created 04/07/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-x8rx-789c-2pxq Status: Confirmed CVE: CVE-2026-39371 (🔒) GCVE (CVE): GCVE-0-2026-39371 GCVE (VulDB): GCVE-100-355960 Entryinfo Created: 04/07/2026 23:36 Changes: 04/07/2026 23:36 (66) Complete: 🔍 Cache ID: 99:08B:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸