CVE-2026-6126 | zhayujie chatgpt-on-wechat CowAgent 2.0.4 Administrative HTTP Endpoint missing authentication (Issue 2733)

VDB-356990 · CVE-2026-6126 · ISSUE 2733 ZHAYUJIE CHATGPT-ON-WECHAT COWAGENT 2.0.4 ADMINISTRATIVE HTTP ENDPOINT MISSING AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.4 $0-$5k 2.24+ Summaryinfo A vulnerability was found in zhayujie chatgpt-on-wechat CowAgent 2.0.4 and classified as critical. The impacted element is an unknown function of the component Administrative HTTP Endpoint. Such manipulation leads to missing authentication. This vulnerability is referenced as CVE-2026-6126. It is possible to launch the attack remotely. Furthermore, an exploit is available. Restrictive firewalling should be applied. The project was informed of the problem early through an issue report but has not responded yet. Detailsinfo A vulnerability was found in zhayujie chatgpt-on-wechat CowAgent 2.0.4 and classified as critical. Affected by this issue is an unknown code of the component Administrative HTTP Endpoint. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. The advisory is available at github.com. This vulnerability is handled as CVE-2026-6126. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available. The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. Addressing this vulnerability is possible by firewalling . Productinfo Type Chat Software Vendor zhayujie Name chatgpt-on-wechat CowAgent Version 2.0.4 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.3 VulDB Meta Temp Score: 6.4 VulDB Base Score: 7.3 VulDB Temp Score: 6.4 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: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 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: Firewall Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/11/2026 Advisory disclosed 04/11/2026 +0 days VulDB entry created 04/11/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 2733 Status: Not defined CVE: CVE-2026-6126 (🔒) GCVE (CVE): GCVE-0-2026-6126 GCVE (VulDB): GCVE-100-356990 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/11/2026 22:27 Changes: 04/11/2026 22:27 (58) Complete: 🔍 Submitter: Yu_Bao Cache ID: 99:D43:101 Submitinfo Accepted Submit #793554: zhayujie chatgpt-on-wechat (CowAgent) 2.0.4 Unauthenticated Administrative API Access (by Yu_Bao) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸