CVE-2026-34999 | Volcengine OpenViking up to 0.2.13 /bot/v1/chat missing authentication

VDB-354675 · CVE-2026-34999 · GCVE-0-2026-34999 Volcengine OpenViking up to 0.2.13 /bot/v1/chat missing authentication History Diff relate json xml CTI CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system. Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack. CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability. 5.1 $0-$5k 1.50+ Summary info A vulnerability classified as critical has been found in Volcengine OpenViking up to 0.2.13 . This affects an unknown part of the file /bot/v1/chat . Performing a manipulation results in missing authentication. This vulnerability is known as CVE-2026-34999 . Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component. Details info A vulnerability, which was classified as critical, was found in Volcengine OpenViking up to 0.2.13 . This affects some unknown processing of the file /bot/v1/chat . The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306 . The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality. The summary by CVE is: OpenViking versions 0.2.5 prior to 0.2.14 contain a missing authentication vulnerability in the bot proxy router that allows remote unauthenticated attackers to access protected bot proxy functionality by sending requests to the POST /bot/v1/chat and POST /bot/v1/chat/stream endpoints. Attackers can bypass authentication checks and interact directly with the upstream bot backend through the OpenViking proxy without providing valid credentials. The weakness was published by Chia Min Jun Lennon. It is possible to read the advisory at github.com . This vulnerability is uniquely identified as CVE-2026-34999 since 03/31/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. Upgrading to version 0.2.14 eliminates this vulnerability. The upgrade is hosted for download at github.com . Applying the patch 27acda8d1701ff68423fbd6c902208e3c1ed9373 is able to eliminate this problem. The bugfix is ready for download at github.com . The best possible mitigation is suggested to be upgrading to the latest version. Similar entries are available at VDB-348064 and VDB-348553 . Product info Vendor Volcengine Name OpenViking Version 0.2.0 0.2.1 0.2.2 0.2.3 0.2.4 0.2.5 0.2.6 0.2.7 0.2.8 0.2.9 0.2.10 0.2.11 0.2.12 0.2.13 License open-source Website Product: https://github.com/volcengine/OpenViking/ CPE 2.3 info 🔒 🔒 🔒 CPE 2.2 info 🔒 🔒 🔒 CVSSv4 info VulDB Vector : 🔒 VulDB Reliability : 🔍 CNA CVSS-B Score : 🔒 CNA CVSS-BT Score : 🔒 CNA Vector : 🔒 CVSSv3 info VulDB Meta Base Score : 5.3 VulDB Meta Temp Score : 5.1 VulDB Base Score : 5.3 VulDB Temp Score : 5.1 VulDB Vector : 🔒 VulDB Reliability : 🔍 CVSSv2 info AV AC Au C I A 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 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 : 🔍 Exploiting info 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 Intelligence info Interest : 🔍 Active Actors : 🔍 Active APT Groups : 🔍 Countermeasures info Recommended : Upgrade Status : 🔍 0-Day Time : 🔒 Upgrade : OpenViking 0.2.14 Patch : 27acda8d1701ff68423fbd6c902208e3c1ed9373 Timeline info 03/31/2026 CVE reserved 04/01/2026 +1 days Advisory disclosed 04/01/2026 +0 days VulDB entry created 04/01/2026 +0 days VulDB entry last update Sources info Product : github.com Advisory : github.com Researcher : Chia Min Jun Lennon Status : Confirmed CVE : CVE-2026-34999 ( 🔒 ) GCVE (CVE) : GCVE-0-2026-34999 GCVE (VulDB) : GCVE-100-354675 See also : 🔒 Entry info Created : 04/01/2026 05:00 PM Changes : 04/01/2026 05:00 PM (71) Complete : 🔍 Cache ID : 99:7AD:101 Discussion No comments yet. 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