CVE-2026-40903 | patrickhener goshs up to 2.0.0-beta.5 GITHUB_TOKEN inclusion of functionality from untrusted control sphere

VDB-358572 · CVE-2026-40903 · GCVE-0-2026-40903 PATRICKHENER GOSHS UP TO 2.0.0-BETA.5 GITHUB_TOKEN INCLUSION OF FUNCTIONALITY FROM UNTRUSTED CONTROL SPHERE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 8.0 $0-$5k 1.00 Summaryinfo A vulnerability was found in patrickhener goshs up to 2.0.0-beta.5 and classified as critical. Impacted is an unknown function. The manipulation of the argument GITHUB_TOKEN results in inclusion of functionality from untrusted control sphere. This vulnerability is reported as CVE-2026-40903. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component. Detailsinfo A vulnerability, which was classified as critical, was found in patrickhener goshs up to 2.0.0-beta.5. Affected is an unknown code. The manipulation of the argument GITHUB_TOKEN with an unknown input leads to a inclusion of functionality from untrusted control sphere vulnerability. CWE is classifying the issue as CWE-829. The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes: goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.6, goshs has an ArtiPACKED vulnerability. ArtiPACKED can lead to leakage of the GITHUB_TOKEN through workflow artifacts, even though the token is not present in the repository source code. This vulnerability is fixed in 2.0.0-beta.6. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-40903 since 04/15/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. Upgrading to version 2.0.0-beta.6 eliminates this vulnerability. Productinfo Vendor patrickhener Name goshs Version 2.0.0-beta.0 2.0.0-beta.1 2.0.0-beta.2 2.0.0-beta.3 2.0.0-beta.4 2.0.0-beta.5 Website Product: https://github.com/patrickhener/goshs/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 8.2 VulDB Meta Temp Score: 8.0 VulDB Base Score: 7.3 VulDB Temp Score: 7.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.1 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: Inclusion of functionality from untrusted control sphere CWE: CWE-829 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: goshs 2.0.0-beta.6 Timelineinfo 04/15/2026 CVE reserved 04/21/2026 +6 days Advisory disclosed 04/21/2026 +0 days VulDB entry created 04/21/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Confirmed CVE: CVE-2026-40903 (🔒) GCVE (CVE): GCVE-0-2026-40903 GCVE (VulDB): GCVE-100-358572 Entryinfo Created: 04/21/2026 22:29 Changes: 04/21/2026 22:29 (63) Complete: 🔍 Cache ID: 99:387:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸