CVE-2026-6662 | ericc-ch copilot-api up to 0.7.0 Token Endpoint src/server.ts cors cross-domain policy

VDB-358300 · SUBMIT #794601 · CVE-2026-6662 ERICC-CH COPILOT-API UP TO 0.7.0 TOKEN ENDPOINT SRC/SERVER.TS CORS CROSS-DOMAIN POLICY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.6 $0-$5k 2.42 Summaryinfo A vulnerability described as critical has been identified in ericc-ch copilot-api up to 0.7.0. This affects the function cors of the file src/server.ts of the component Token Endpoint. Executing a manipulation can lead to cross-domain policy. This vulnerability is registered as CVE-2026-6662. It is possible to launch the attack remotely. Furthermore, an exploit is available. Detailsinfo A vulnerability classified as critical was found in ericc-ch copilot-api up to 0.7.0. This vulnerability affects the function cors of the file src/server.ts of the component Token Endpoint. The manipulation with an unknown input leads to a cross-domain policy vulnerability. The CWE definition for the vulnerability is CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. As an impact it is known to affect confidentiality, integrity, and availability. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-6662. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. It is possible to download the exploit at github.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Automation Software Vendor ericc-ch Name copilot-api Version 0.1 0.2 0.3 0.4 0.5 0.6 0.7.0 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.3 VulDB Meta Temp Score: 6.6 VulDB Base Score: 7.3 VulDB Temp Score: 6.6 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: Cross-domain policy CWE: CWE-942 / CWE-346 / CWE-345 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: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/20/2026 Advisory disclosed 04/20/2026 +0 days VulDB entry created 04/20/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-6662 (🔒) GCVE (CVE): GCVE-0-2026-6662 GCVE (VulDB): GCVE-100-358300 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/20/2026 14:06 Changes: 04/20/2026 14:06 (56) Complete: 🔍 Submitter: Yu_Bao Cache ID: 99:A6F:101 Submitinfo Accepted Submit #794601: ericc-ch copilot-api 0.7.0 Cross-Origin Token Theft via Wildcard CORS & Open Token Endpoint (by Yu_Bao) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸