CVE-2026-34762 | ellanetworks core up to 1.7.x JSON Request Body /api/v1/subscriber/ improper authentication (GHSA-xw45-cc32-442f)

VDB-355022 · CVE-2026-34762 · GHSA-XW45-CC32-442F ELLANETWORKS CORE UP TO 1.7.X JSON REQUEST BODY /API/V1/SUBSCRIBER/ IMPROPER AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.6 $0-$5k 0.61+ Summaryinfo A vulnerability labeled as critical has been found in ellanetworks core up to 1.7.x. This affects an unknown function of the file /api/v1/subscriber/ of the component JSON Request Body Handler. Such manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2026-34762. The attack can be launched remotely. No exploit exists. The affected component should be upgraded. Detailsinfo A vulnerability was found in ellanetworks core up to 1.7.x. It has been rated as critical. Affected by this issue is an unknown part of the file /api/v1/subscriber/ of the component JSON Request Body Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes: Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, the PUT /api/v1/subscriber/{imsi} API accepts an IMSI identifier from both the URL path and the JSON request body but never verifies they match. This allows an authenticated NetworkManager to modify any subscriber's policy while the audit trail records a fabricated or unrelated subscriber IMSI. This issue has been patched in version 1.8.0. The advisory is available at github.com. This vulnerability is handled as CVE-2026-34762 since 03/30/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. Technical details are known, but there is no available exploit. Upgrading to version 1.8.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Vendor ellanetworks Name core Version 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Website Product: https://github.com/ellanetworks/core/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 3.7 VulDB Meta Temp Score: 3.6 VulDB Base Score: 4.7 VulDB Temp Score: 4.5 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 2.7 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: Improper authentication CWE: 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: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: core 1.8.0 Timelineinfo 03/30/2026 CVE reserved 04/02/2026 +3 days Advisory disclosed 04/02/2026 +0 days VulDB entry created 04/03/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-xw45-cc32-442f Status: Confirmed CVE: CVE-2026-34762 (🔒) GCVE (CVE): GCVE-0-2026-34762 GCVE (VulDB): GCVE-100-355022 Entryinfo Created: 04/03/2026 00:03 Changes: 04/03/2026 00:03 (67) Complete: 🔍 Cache ID: 99:81C:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸