CVE-2026-6272 | Eclipse KUKSA up to 0.6.0 Normal Production gRPC API missing authentication

VDB-359332 · CVE-2026-6272 · GCVE-0-2026-6272 ECLIPSE KUKSA UP TO 0.6.0 NORMAL PRODUCTION GRPC API MISSING AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.5 $0-$5k 4.76+ Summaryinfo A vulnerability categorized as critical has been discovered in Eclipse KUKSA up to 0.6.0. The affected element is an unknown function of the component Normal Production gRPC API. Executing a manipulation can lead to missing authentication. This vulnerability is tracked as CVE-2026-6272. The attack can be launched remotely. No exploit exists. Detailsinfo A vulnerability was found in Eclipse KUKSA up to 0.6.0. It has been declared as critical. This vulnerability affects an unknown functionality of the component Normal Production gRPC API. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect integrity, and availability. CVE summarizes: A client holding only a read JWT scope can still register itself as a signal provider through the production kuksa.val.v2 OpenProviderStream API by sending ProvideSignalRequest. 1. Obtain any valid token with only read scope. 2. Connect to the normal production gRPC API (kuksa.val.v2). 3. Open OpenProviderStream. 4. Send ProvideSignalRequest for a target signal ID. 5. Wait for the broker to forward GetProviderValueRequest. 6. Reply with attacker-controlled GetProviderValueResponse. 7. Other clients performing GetValue / GetValues for that signal receive forged data. The weakness was disclosed by Ciwan Öztopal. The advisory is shared for download at gitlab.eclipse.org. This vulnerability was named CVE-2026-6272 since 04/14/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/24/2026). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor Eclipse Name KUKSA Version 0.1 0.2 0.3 0.4 0.5 0.6.0 License open-source CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 6.5 VulDB Meta Temp Score: 6.5 VulDB Base Score: 6.5 VulDB Temp Score: 6.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 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: Missing authentication CWE: CWE-306 / CWE-287 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: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/14/2026 CVE reserved 04/24/2026 +10 days Advisory disclosed 04/24/2026 +0 days VulDB entry created 04/24/2026 +0 days VulDB entry last update Sourcesinfo Advisory: gitlab.eclipse.org Researcher: Ciwan Öztopal Status: Confirmed CVE: CVE-2026-6272 (🔒) GCVE (CVE): GCVE-0-2026-6272 GCVE (VulDB): GCVE-100-359332 Entryinfo Created: 04/24/2026 10:47 Changes: 04/24/2026 10:47 (66) Complete: 🔍 Cache ID: 99:F5F:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸